chore: use file-scoped namespace
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@@ -5,128 +5,127 @@ using System.Runtime.InteropServices;
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using System.Windows;
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using System.Windows.Threading;
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namespace Standard
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namespace Standard;
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internal sealed class MessageWindow : DispatcherObject, IDisposable
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{
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internal sealed class MessageWindow : DispatcherObject, IDisposable
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public IntPtr Handle { get; private set; }
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[SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands")]
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public MessageWindow(CS classStyle, WS style, WS_EX exStyle, Rect location, string name, WndProc callback)
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{
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public IntPtr Handle { get; private set; }
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[SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands")]
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public MessageWindow(CS classStyle, WS style, WS_EX exStyle, Rect location, string name, WndProc callback)
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this._wndProcCallback = callback;
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this._className = "MessageWindowClass+" + Guid.NewGuid().ToString();
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WNDCLASSEX wndclassex = new WNDCLASSEX
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{
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this._wndProcCallback = callback;
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this._className = "MessageWindowClass+" + Guid.NewGuid().ToString();
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WNDCLASSEX wndclassex = new WNDCLASSEX
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{
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cbSize = Marshal.SizeOf(typeof(WNDCLASSEX)),
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style = classStyle,
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lpfnWndProc = MessageWindow.s_WndProc,
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hInstance = NativeMethods.GetModuleHandle(null),
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hbrBackground = NativeMethods.GetStockObject(StockObject.NULL_BRUSH),
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lpszMenuName = "",
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lpszClassName = this._className
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};
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NativeMethods.RegisterClassEx(ref wndclassex);
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GCHandle value = default(GCHandle);
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try
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{
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value = GCHandle.Alloc(this);
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IntPtr lpParam = (IntPtr) value;
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this.Handle = NativeMethods.CreateWindowEx(exStyle, this._className, name, style, (int) location.X, (int) location.Y, (int) location.Width, (int) location.Height, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, lpParam);
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}
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finally
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{
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value.Free();
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}
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cbSize = Marshal.SizeOf(typeof(WNDCLASSEX)),
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style = classStyle,
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lpfnWndProc = MessageWindow.s_WndProc,
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hInstance = NativeMethods.GetModuleHandle(null),
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hbrBackground = NativeMethods.GetStockObject(StockObject.NULL_BRUSH),
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lpszMenuName = "",
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lpszClassName = this._className
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};
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NativeMethods.RegisterClassEx(ref wndclassex);
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GCHandle value = default(GCHandle);
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try
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{
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value = GCHandle.Alloc(this);
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IntPtr lpParam = (IntPtr) value;
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this.Handle = NativeMethods.CreateWindowEx(exStyle, this._className, name, style, (int) location.X, (int) location.Y, (int) location.Width, (int) location.Height, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, lpParam);
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}
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~MessageWindow()
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finally
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{
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this._Dispose(false, false);
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value.Free();
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}
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}
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public void Dispose()
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~MessageWindow()
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{
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this._Dispose(false, false);
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}
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public void Dispose()
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{
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this._Dispose(true, false);
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GC.SuppressFinalize(this);
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}
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[SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "disposing")]
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private void _Dispose(bool disposing, bool isHwndBeingDestroyed)
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{
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if (this._isDisposed)
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{
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this._Dispose(true, false);
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GC.SuppressFinalize(this);
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return;
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}
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[SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "disposing")]
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private void _Dispose(bool disposing, bool isHwndBeingDestroyed)
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this._isDisposed = true;
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IntPtr hwnd = this.Handle;
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string className = this._className;
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if (isHwndBeingDestroyed)
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{
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if (this._isDisposed)
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{
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return;
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}
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this._isDisposed = true;
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IntPtr hwnd = this.Handle;
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string className = this._className;
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if (isHwndBeingDestroyed)
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{
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base.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new DispatcherOperationCallback((object arg) => MessageWindow._DestroyWindow(IntPtr.Zero, className)));
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}
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else if (this.Handle != IntPtr.Zero)
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{
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if (base.CheckAccess())
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{
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MessageWindow._DestroyWindow(hwnd, className);
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}
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else
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{
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base.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new DispatcherOperationCallback((object arg) => MessageWindow._DestroyWindow(hwnd, className)));
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}
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}
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MessageWindow.s_windowLookup.Remove(hwnd);
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this._className = null;
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this.Handle = IntPtr.Zero;
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base.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new DispatcherOperationCallback((object arg) => MessageWindow._DestroyWindow(IntPtr.Zero, className)));
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}
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[SuppressMessage("Microsoft.Usage", "CA1816:CallGCSuppressFinalizeCorrectly")]
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private static IntPtr _WndProc(IntPtr hwnd, WM msg, IntPtr wParam, IntPtr lParam)
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else if (this.Handle != IntPtr.Zero)
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{
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IntPtr result = IntPtr.Zero;
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MessageWindow messageWindow = null;
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if (msg == WM.CREATE)
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if (base.CheckAccess())
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{
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messageWindow = (MessageWindow) GCHandle.FromIntPtr(((CREATESTRUCT) Marshal.PtrToStructure(lParam, typeof(CREATESTRUCT))).lpCreateParams).Target;
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MessageWindow.s_windowLookup.Add(hwnd, messageWindow);
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}
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else if (!MessageWindow.s_windowLookup.TryGetValue(hwnd, out messageWindow))
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{
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return NativeMethods.DefWindowProc(hwnd, msg, wParam, lParam);
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}
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WndProc wndProcCallback = messageWindow._wndProcCallback;
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if (wndProcCallback != null)
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{
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result = wndProcCallback(hwnd, msg, wParam, lParam);
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MessageWindow._DestroyWindow(hwnd, className);
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}
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else
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{
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result = NativeMethods.DefWindowProc(hwnd, msg, wParam, lParam);
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base.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new DispatcherOperationCallback((object arg) => MessageWindow._DestroyWindow(hwnd, className)));
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}
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if (msg == WM.NCDESTROY)
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{
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messageWindow._Dispose(true, true);
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GC.SuppressFinalize(messageWindow);
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}
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return result;
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}
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private static object _DestroyWindow(IntPtr hwnd, string className)
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{
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Utility.SafeDestroyWindow(ref hwnd);
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NativeMethods.UnregisterClass(className, NativeMethods.GetModuleHandle(null));
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return null;
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}
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private static readonly WndProc s_WndProc = new WndProc(MessageWindow._WndProc);
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private static readonly Dictionary<IntPtr, MessageWindow> s_windowLookup = new Dictionary<IntPtr, MessageWindow>();
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private WndProc _wndProcCallback;
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private string _className;
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private bool _isDisposed;
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MessageWindow.s_windowLookup.Remove(hwnd);
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this._className = null;
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this.Handle = IntPtr.Zero;
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}
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}
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[SuppressMessage("Microsoft.Usage", "CA1816:CallGCSuppressFinalizeCorrectly")]
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private static IntPtr _WndProc(IntPtr hwnd, WM msg, IntPtr wParam, IntPtr lParam)
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{
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IntPtr result = IntPtr.Zero;
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MessageWindow messageWindow = null;
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if (msg == WM.CREATE)
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{
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messageWindow = (MessageWindow) GCHandle.FromIntPtr(((CREATESTRUCT) Marshal.PtrToStructure(lParam, typeof(CREATESTRUCT))).lpCreateParams).Target;
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MessageWindow.s_windowLookup.Add(hwnd, messageWindow);
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}
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else if (!MessageWindow.s_windowLookup.TryGetValue(hwnd, out messageWindow))
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{
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return NativeMethods.DefWindowProc(hwnd, msg, wParam, lParam);
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}
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WndProc wndProcCallback = messageWindow._wndProcCallback;
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if (wndProcCallback != null)
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{
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result = wndProcCallback(hwnd, msg, wParam, lParam);
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}
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else
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{
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result = NativeMethods.DefWindowProc(hwnd, msg, wParam, lParam);
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}
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if (msg == WM.NCDESTROY)
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{
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messageWindow._Dispose(true, true);
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GC.SuppressFinalize(messageWindow);
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}
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return result;
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}
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private static object _DestroyWindow(IntPtr hwnd, string className)
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{
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Utility.SafeDestroyWindow(ref hwnd);
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NativeMethods.UnregisterClass(className, NativeMethods.GetModuleHandle(null));
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return null;
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}
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private static readonly WndProc s_WndProc = new WndProc(MessageWindow._WndProc);
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private static readonly Dictionary<IntPtr, MessageWindow> s_windowLookup = new Dictionary<IntPtr, MessageWindow>();
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private WndProc _wndProcCallback;
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private string _className;
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private bool _isDisposed;
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}
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