add function codes
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@@ -0,0 +1,587 @@
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using System;
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using System.Runtime.InteropServices;
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using System.Windows.Controls;
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using System.Windows.Interop;
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using System.Windows.Media;
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using HandyControl.Controls;
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using HandyControl.Tools.Interop;
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namespace HandyControl.Data
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{
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internal class GlowEdge : HwndWrapper
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{
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private const string GlowEdgeClassName = "HandyControlGlowEdge";
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private const int GlowDepth = 9;
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private const int CornerGripThickness = 18;
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private static ushort _sharedWindowClassAtom;
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// ReSharper disable once NotAccessedField.Local
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private static InteropValues.WndProc _sharedWndProc;
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private readonly GlowBitmap[] _activeGlowBitmaps = new GlowBitmap[16];
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private readonly GlowBitmap[] _inactiveGlowBitmaps = new GlowBitmap[16];
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private readonly Dock _orientation;
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private readonly GlowWindow _targetWindow;
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private Color _activeGlowColor = Colors.Transparent;
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private int _height;
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private Color _inactiveGlowColor = Colors.Transparent;
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private FieldInvalidationTypes _invalidatedValues;
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private bool _isActive;
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private bool _isVisible;
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private int _left;
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private bool _pendingDelayRender;
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private int _top;
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private int _width;
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internal static long CreatedGlowEdges { get; private set; }
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internal static long DisposedGlowEdges { get; private set; }
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internal GlowEdge(GlowWindow owner, Dock orientation)
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{
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_targetWindow = owner ?? throw new ArgumentNullException(nameof(owner));
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_orientation = orientation;
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CreatedGlowEdges += 1L;
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}
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private bool IsDeferringChanges => _targetWindow.DeferGlowChangesCount > 0;
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private static ushort SharedWindowClassAtom
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{
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get
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{
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if (_sharedWindowClassAtom == 0)
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{
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var wndclass = default(InteropValues.WNDCLASS);
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wndclass.cbClsExtra = 0;
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wndclass.cbWndExtra = 0;
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wndclass.hbrBackground = IntPtr.Zero;
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wndclass.hCursor = IntPtr.Zero;
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wndclass.hIcon = IntPtr.Zero;
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wndclass.lpfnWndProc = _sharedWndProc = InteropMethods.DefWindowProc;
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wndclass.lpszClassName = GlowEdgeClassName;
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wndclass.lpszMenuName = null;
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wndclass.style = 0u;
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_sharedWindowClassAtom = InteropMethods.RegisterClass(ref wndclass);
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}
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return _sharedWindowClassAtom;
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}
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}
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internal bool IsVisible
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{
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get => _isVisible;
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set => UpdateProperty(ref _isVisible, value, FieldInvalidationTypes.Render | FieldInvalidationTypes.Visibility);
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}
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internal int Left
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{
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get => _left;
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set => UpdateProperty(ref _left, value, FieldInvalidationTypes.Location);
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}
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internal int Top
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{
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get => _top;
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set => UpdateProperty(ref _top, value, FieldInvalidationTypes.Location);
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}
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internal int Width
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{
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get => _width;
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set => UpdateProperty( ref _width, value, FieldInvalidationTypes.Size | FieldInvalidationTypes.Render);
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}
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internal int Height
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{
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get => _height;
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set => UpdateProperty(ref _height, value, FieldInvalidationTypes.Size | FieldInvalidationTypes.Render);
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}
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internal bool IsActive
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{
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get => _isActive;
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set => UpdateProperty(ref _isActive, value, FieldInvalidationTypes.Render);
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}
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internal Color ActiveGlowColor
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{
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get => _activeGlowColor;
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set => UpdateProperty(ref _activeGlowColor, value, FieldInvalidationTypes.ActiveColor | FieldInvalidationTypes.Render);
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}
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internal Color InactiveGlowColor
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{
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get => _inactiveGlowColor;
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set => UpdateProperty(ref _inactiveGlowColor, value, FieldInvalidationTypes.InactiveColor | FieldInvalidationTypes.Render);
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}
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private IntPtr TargetWindowHandle => new WindowInteropHelper(_targetWindow).Handle;
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protected override bool IsWindowSubclassed => true;
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private bool IsPositionValid => (_invalidatedValues & (FieldInvalidationTypes.Location | FieldInvalidationTypes.Size | FieldInvalidationTypes.Visibility)) == FieldInvalidationTypes.None;
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private void UpdateProperty<T>(ref T field, T value, FieldInvalidationTypes invalidatedValues) where T : struct
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{
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if (!field.Equals(value))
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{
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field = value;
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_invalidatedValues |= invalidatedValues;
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if (!IsDeferringChanges) CommitChanges();
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}
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}
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protected override ushort CreateWindowClassCore() => SharedWindowClassAtom;
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protected override void DestroyWindowClassCore()
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{
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}
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protected override IntPtr CreateWindowCore()
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{
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return InteropMethods.CreateWindowEx(
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524416,
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new IntPtr(WindowClassAtom),
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string.Empty,
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-2046820352,
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0,
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0,
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0,
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0,
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new WindowInteropHelper(_targetWindow).Owner,
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IntPtr.Zero,
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IntPtr.Zero,
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IntPtr.Zero);
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}
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internal void ChangeOwner(IntPtr newOwner) => InteropMethods.SetWindowLongPtr(Handle, InteropValues.GWLP.HWNDPARENT, newOwner);
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protected override IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam)
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{
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if (msg <= 70)
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{
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if (msg == 6) return IntPtr.Zero;
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if (msg == 70)
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{
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var windowpos = (InteropValues.WINDOWPOS)Marshal.PtrToStructure(lParam, typeof(InteropValues.WINDOWPOS));
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windowpos.flags |= 16u;
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Marshal.StructureToPtr(windowpos, lParam, true);
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}
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}
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else
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{
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if (msg != 126)
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{
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if (msg == 132) return new IntPtr(WmNcHitTest(lParam));
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switch (msg)
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{
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case 161:
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case 163:
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case 164:
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case 166:
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case 167:
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case 169:
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case 171:
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case 173:
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{
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var targetWindowHandle = TargetWindowHandle;
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InteropMethods.SendMessage(targetWindowHandle, 6, new IntPtr(2), IntPtr.Zero);
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InteropMethods.SendMessage(targetWindowHandle, msg, wParam, IntPtr.Zero);
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return IntPtr.Zero;
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}
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}
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}
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else
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{
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if (IsVisible) RenderLayeredWindow();
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}
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}
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return base.WndProc(hwnd, msg, wParam, lParam);
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}
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private int WmNcHitTest(IntPtr lParam)
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{
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var xLParam = InteropMethods.GetXLParam(lParam.ToInt32());
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var yLParam = InteropMethods.GetYLParam(lParam.ToInt32());
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InteropMethods.GetWindowRect(Handle, out var rect);
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switch (_orientation)
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{
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case Dock.Left:
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if (yLParam - CornerGripThickness < rect.Top) return 13;
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if (yLParam + CornerGripThickness > rect.Bottom) return 16;
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return 10;
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case Dock.Top:
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if (xLParam - CornerGripThickness < rect.Left) return 13;
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if (xLParam + CornerGripThickness > rect.Right) return 14;
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return 12;
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case Dock.Right:
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if (yLParam - CornerGripThickness < rect.Top) return 14;
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if (yLParam + CornerGripThickness > rect.Bottom) return 17;
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return 11;
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default:
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if (xLParam - CornerGripThickness < rect.Left) return 16;
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if (xLParam + CornerGripThickness > rect.Right) return 17;
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return 15;
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}
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}
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internal void CommitChanges()
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{
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InvalidateCachedBitmaps();
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UpdateWindowPosCore();
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UpdateLayeredWindowCore();
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_invalidatedValues = FieldInvalidationTypes.None;
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}
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private void InvalidateCachedBitmaps()
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{
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if (_invalidatedValues.HasFlag(FieldInvalidationTypes.ActiveColor)) ClearCache(_activeGlowBitmaps);
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if (_invalidatedValues.HasFlag(FieldInvalidationTypes.InactiveColor)) ClearCache(_inactiveGlowBitmaps);
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}
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private void UpdateWindowPosCore()
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{
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if (_invalidatedValues.HasFlag(FieldInvalidationTypes.Location) ||
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_invalidatedValues.HasFlag(FieldInvalidationTypes.Size) ||
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_invalidatedValues.HasFlag(FieldInvalidationTypes.Visibility))
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{
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var num = 532;
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if (_invalidatedValues.HasFlag(FieldInvalidationTypes.Visibility))
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{
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if (IsVisible)
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num |= 64;
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else
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num |= 131;
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}
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if (!_invalidatedValues.HasFlag(FieldInvalidationTypes.Location)) num |= 2;
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if (!_invalidatedValues.HasFlag(FieldInvalidationTypes.Size)) num |= 1;
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InteropMethods.SetWindowPos(Handle, IntPtr.Zero, Left, Top, Width, Height, num);
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}
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}
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private void UpdateLayeredWindowCore()
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{
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if (IsVisible && _invalidatedValues.HasFlag(FieldInvalidationTypes.Render))
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{
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if (IsPositionValid)
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{
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BeginDelayedRender();
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return;
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}
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CancelDelayedRender();
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RenderLayeredWindow();
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}
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}
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private void BeginDelayedRender()
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{
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if (!_pendingDelayRender)
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{
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_pendingDelayRender = true;
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CompositionTarget.Rendering += CommitDelayedRender;
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}
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}
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private void CancelDelayedRender()
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{
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if (_pendingDelayRender)
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{
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_pendingDelayRender = false;
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CompositionTarget.Rendering -= CommitDelayedRender;
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}
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}
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private void CommitDelayedRender(object sender, EventArgs e)
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{
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CancelDelayedRender();
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if (IsVisible) RenderLayeredWindow();
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}
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private void RenderLayeredWindow()
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{
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using var glowDrawingContext = new GlowDrawingContext(Width, Height);
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if (glowDrawingContext.IsInitialized)
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{
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switch (_orientation)
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{
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case Dock.Left:
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DrawLeft(glowDrawingContext);
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break;
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case Dock.Top:
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DrawTop(glowDrawingContext);
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break;
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case Dock.Right:
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DrawRight(glowDrawingContext);
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break;
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default:
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DrawBottom(glowDrawingContext);
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break;
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}
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var point = new InteropValues.POINT
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{
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X = Left,
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Y = Top
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};
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var size = new InteropValues.SIZE
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{
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cx = Width,
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cy = Height
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};
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var point2 = new InteropValues.POINT
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{
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X = 0,
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Y = 0
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};
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InteropMethods.UpdateLayeredWindow(
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Handle,
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glowDrawingContext.ScreenDC,
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ref point,
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ref size,
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glowDrawingContext.WindowDC,
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ref point2,
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0u,
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ref glowDrawingContext.Blend,
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2u);
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}
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}
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private GlowBitmap GetOrCreateBitmap(GlowDrawingContext drawingContext, GlowBitmapPart bitmapPart)
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{
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GlowBitmap[] array;
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Color color;
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if (IsActive)
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{
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array = _activeGlowBitmaps;
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color = ActiveGlowColor;
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}
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else
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{
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array = _inactiveGlowBitmaps;
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color = InactiveGlowColor;
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}
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return array[(int) bitmapPart] ?? (array[(int) bitmapPart] = GlowBitmap.Create(drawingContext, bitmapPart, color));
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}
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private void ClearCache(GlowBitmap[] cache)
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{
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for (var i = 0; i < cache.Length; i++)
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using (cache[i])
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{
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cache[i] = null;
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}
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}
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protected override void DisposeManagedResources()
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{
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ClearCache(_activeGlowBitmaps);
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ClearCache(_inactiveGlowBitmaps);
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}
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protected override void DisposeNativeResources()
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{
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base.DisposeNativeResources();
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DisposedGlowEdges += 1L;
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}
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private void DrawLeft(GlowDrawingContext drawingContext)
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{
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var orCreateBitmap = GetOrCreateBitmap(drawingContext, GlowBitmapPart.CornerTopLeft);
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var orCreateBitmap2 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.LeftTop);
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var orCreateBitmap3 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.Left);
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var orCreateBitmap4 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.LeftBottom);
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var orCreateBitmap5 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.CornerBottomLeft);
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var height = orCreateBitmap.Height;
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var num = height + orCreateBitmap2.Height;
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var num2 = drawingContext.Height - orCreateBitmap5.Height;
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var num3 = num2 - orCreateBitmap4.Height;
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var num4 = num3 - num;
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, 0, orCreateBitmap.Width, orCreateBitmap.Height,
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drawingContext.BackgroundDC, 0, 0, orCreateBitmap.Width, orCreateBitmap.Height,
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drawingContext.Blend);
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap2.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, height, orCreateBitmap2.Width,
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orCreateBitmap2.Height, drawingContext.BackgroundDC, 0, 0, orCreateBitmap2.Width,
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orCreateBitmap2.Height, drawingContext.Blend);
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if (num4 > 0)
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{
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap3.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, num, orCreateBitmap3.Width, num4,
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drawingContext.BackgroundDC, 0, 0, orCreateBitmap3.Width, orCreateBitmap3.Height,
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drawingContext.Blend);
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}
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap4.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, num3, orCreateBitmap4.Width,
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orCreateBitmap4.Height, drawingContext.BackgroundDC, 0, 0, orCreateBitmap4.Width,
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orCreateBitmap4.Height, drawingContext.Blend);
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap5.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, num2, orCreateBitmap5.Width,
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orCreateBitmap5.Height, drawingContext.BackgroundDC, 0, 0, orCreateBitmap5.Width,
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orCreateBitmap5.Height, drawingContext.Blend);
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}
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private void DrawRight(GlowDrawingContext drawingContext)
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{
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var orCreateBitmap = GetOrCreateBitmap(drawingContext, GlowBitmapPart.CornerTopRight);
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var orCreateBitmap2 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.RightTop);
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var orCreateBitmap3 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.Right);
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var orCreateBitmap4 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.RightBottom);
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var orCreateBitmap5 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.CornerBottomRight);
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var height = orCreateBitmap.Height;
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var num = height + orCreateBitmap2.Height;
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var num2 = drawingContext.Height - orCreateBitmap5.Height;
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var num3 = num2 - orCreateBitmap4.Height;
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var num4 = num3 - num;
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, 0, orCreateBitmap.Width, orCreateBitmap.Height,
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drawingContext.BackgroundDC, 0, 0, orCreateBitmap.Width, orCreateBitmap.Height,
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drawingContext.Blend);
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap2.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, height, orCreateBitmap2.Width,
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orCreateBitmap2.Height, drawingContext.BackgroundDC, 0, 0, orCreateBitmap2.Width,
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orCreateBitmap2.Height, drawingContext.Blend);
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if (num4 > 0)
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{
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap3.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, num, orCreateBitmap3.Width, num4,
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drawingContext.BackgroundDC, 0, 0, orCreateBitmap3.Width, orCreateBitmap3.Height,
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drawingContext.Blend);
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}
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap4.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, num3, orCreateBitmap4.Width,
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orCreateBitmap4.Height, drawingContext.BackgroundDC, 0, 0, orCreateBitmap4.Width,
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orCreateBitmap4.Height, drawingContext.Blend);
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InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap5.Handle);
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InteropMethods.AlphaBlend(drawingContext.WindowDC, 0, num2, orCreateBitmap5.Width,
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orCreateBitmap5.Height, drawingContext.BackgroundDC, 0, 0, orCreateBitmap5.Width,
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orCreateBitmap5.Height, drawingContext.Blend);
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}
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private void DrawTop(GlowDrawingContext drawingContext)
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{
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var orCreateBitmap = GetOrCreateBitmap(drawingContext, GlowBitmapPart.TopLeft);
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var orCreateBitmap2 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.Top);
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var orCreateBitmap3 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.TopRight);
|
||||
var num2 = GlowDepth + orCreateBitmap.Width;
|
||||
var num3 = drawingContext.Width - GlowDepth - orCreateBitmap3.Width;
|
||||
var num4 = num3 - num2;
|
||||
InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap.Handle);
|
||||
InteropMethods.AlphaBlend(drawingContext.WindowDC, GlowDepth, 0, orCreateBitmap.Width, orCreateBitmap.Height,
|
||||
drawingContext.BackgroundDC, 0, 0, orCreateBitmap.Width, orCreateBitmap.Height,
|
||||
drawingContext.Blend);
|
||||
if (num4 > 0)
|
||||
{
|
||||
InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap2.Handle);
|
||||
InteropMethods.AlphaBlend(drawingContext.WindowDC, num2, 0, num4, orCreateBitmap2.Height,
|
||||
drawingContext.BackgroundDC, 0, 0, orCreateBitmap2.Width, orCreateBitmap2.Height,
|
||||
drawingContext.Blend);
|
||||
}
|
||||
|
||||
InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap3.Handle);
|
||||
InteropMethods.AlphaBlend(drawingContext.WindowDC, num3, 0, orCreateBitmap3.Width,
|
||||
orCreateBitmap3.Height, drawingContext.BackgroundDC, 0, 0, orCreateBitmap3.Width,
|
||||
orCreateBitmap3.Height, drawingContext.Blend);
|
||||
}
|
||||
|
||||
private void DrawBottom(GlowDrawingContext drawingContext)
|
||||
{
|
||||
var orCreateBitmap = GetOrCreateBitmap(drawingContext, GlowBitmapPart.BottomLeft);
|
||||
var orCreateBitmap2 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.Bottom);
|
||||
var orCreateBitmap3 = GetOrCreateBitmap(drawingContext, GlowBitmapPart.BottomRight);
|
||||
var num2 = GlowDepth + orCreateBitmap.Width;
|
||||
var num3 = drawingContext.Width - GlowDepth - orCreateBitmap3.Width;
|
||||
var num4 = num3 - num2;
|
||||
InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap.Handle);
|
||||
InteropMethods.AlphaBlend(drawingContext.WindowDC, GlowDepth, 0, orCreateBitmap.Width, orCreateBitmap.Height,
|
||||
drawingContext.BackgroundDC, 0, 0, orCreateBitmap.Width, orCreateBitmap.Height,
|
||||
drawingContext.Blend);
|
||||
if (num4 > 0)
|
||||
{
|
||||
InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap2.Handle);
|
||||
InteropMethods.AlphaBlend(drawingContext.WindowDC, num2, 0, num4, orCreateBitmap2.Height,
|
||||
drawingContext.BackgroundDC, 0, 0, orCreateBitmap2.Width, orCreateBitmap2.Height,
|
||||
drawingContext.Blend);
|
||||
}
|
||||
|
||||
InteropMethods.SelectObject(drawingContext.BackgroundDC, orCreateBitmap3.Handle);
|
||||
InteropMethods.AlphaBlend(drawingContext.WindowDC, num3, 0, orCreateBitmap3.Width,
|
||||
orCreateBitmap3.Height, drawingContext.BackgroundDC, 0, 0, orCreateBitmap3.Width,
|
||||
orCreateBitmap3.Height, drawingContext.Blend);
|
||||
}
|
||||
|
||||
internal void UpdateWindowPos()
|
||||
{
|
||||
var targetWindowHandle = TargetWindowHandle;
|
||||
InteropMethods.GetWindowRect(targetWindowHandle, out var rect);
|
||||
InteropMethods.GetWindowPlacement(targetWindowHandle);
|
||||
if (IsVisible)
|
||||
switch (_orientation)
|
||||
{
|
||||
case Dock.Left:
|
||||
Left = rect.Left - GlowDepth;
|
||||
Top = rect.Top - GlowDepth;
|
||||
Width = GlowDepth;
|
||||
Height = rect.Height + CornerGripThickness;
|
||||
return;
|
||||
case Dock.Top:
|
||||
Left = rect.Left - GlowDepth;
|
||||
Top = rect.Top - GlowDepth;
|
||||
Width = rect.Width + CornerGripThickness;
|
||||
Height = GlowDepth;
|
||||
return;
|
||||
case Dock.Right:
|
||||
Left = rect.Right;
|
||||
Top = rect.Top - GlowDepth;
|
||||
Width = GlowDepth;
|
||||
Height = rect.Height + CornerGripThickness;
|
||||
return;
|
||||
default:
|
||||
Left = rect.Left - GlowDepth;
|
||||
Top = rect.Bottom;
|
||||
Width = rect.Width + CornerGripThickness;
|
||||
Height = GlowDepth;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
[Flags]
|
||||
private enum FieldInvalidationTypes
|
||||
{
|
||||
None = 0,
|
||||
Location = 1,
|
||||
Size = 2,
|
||||
ActiveColor = 4,
|
||||
InactiveColor = 8,
|
||||
Render = 16,
|
||||
Visibility = 32
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user