chore: use file-scoped namespace

2022-03-13 20:28:58 +08:00
1 parent 99d2fafb72
commit bbf1b7d4c6
@@ -5,73 +5,72 @@ using System.Windows.Interop;
 using System.Windows.Media;
 using HandyControl.Tools.Interop;

-namespace HandyControl.Tools
+namespace HandyControl.Tools;
+
+public static class VisualHelper
 {
-    public static class VisualHelper
+    internal static VisualStateGroup TryGetVisualStateGroup(DependencyObject d, string groupName)
    {
-        internal static VisualStateGroup TryGetVisualStateGroup(DependencyObject d, string groupName)
-        {
-            var root = GetImplementationRoot(d);
-            if (root == null) return null;
+        var root = GetImplementationRoot(d);
+        if (root == null) return null;

-            return VisualStateManager
-                .GetVisualStateGroups(root)?
-                .OfType<VisualStateGroup>()
-                .FirstOrDefault(group => string.CompareOrdinal(groupName, group.Name) == 0);
-        }
-
-        internal static FrameworkElement GetImplementationRoot(DependencyObject d) =>
-            1 == VisualTreeHelper.GetChildrenCount(d)
-                ? VisualTreeHelper.GetChild(d, 0) as FrameworkElement
-                : null;
-
-        public static T GetChild<T>(DependencyObject d) where T : DependencyObject
-        {
-            if (d == null) return default;
-            if (d is T t) return t;
-
-            for (var i = 0; i < VisualTreeHelper.GetChildrenCount(d); i++)
-            {
-                var child = VisualTreeHelper.GetChild(d, i);
-
-                var result = GetChild<T>(child);
-                if (result != null) return result;
-            }
-
-            return default;
-        }
-
-        public static T GetParent<T>(DependencyObject d) where T : DependencyObject =>
-            d switch
-            {
-                null => default,
-                T t => t,
-                Window _ => null,
-                _ => GetParent<T>(VisualTreeHelper.GetParent(d))
-            };
-
-        public static IntPtr GetHandle(this Visual visual) => (PresentationSource.FromVisual(visual) as HwndSource)?.Handle ?? IntPtr.Zero;
-
-        internal static void HitTestVisibleElements(Visual visual, HitTestResultCallback resultCallback, HitTestParameters parameters) =>
-            VisualTreeHelper.HitTest(visual, ExcludeNonVisualElements, resultCallback, parameters);
-
-        private static HitTestFilterBehavior ExcludeNonVisualElements(DependencyObject potentialHitTestTarget)
-        {
-            if (!(potentialHitTestTarget is Visual)) return HitTestFilterBehavior.ContinueSkipSelfAndChildren;
-
-            if (!(potentialHitTestTarget is UIElement uIElement) || uIElement.IsVisible && uIElement.IsEnabled)
-                return HitTestFilterBehavior.Continue;
-
-            return HitTestFilterBehavior.ContinueSkipSelfAndChildren;
-        }
-
-        internal static bool ModifyStyle(IntPtr hWnd, int styleToRemove, int styleToAdd)
-        {
-            var windowLong = InteropMethods.GetWindowLong(hWnd, InteropValues.GWL.STYLE);
-            var num = (windowLong & ~styleToRemove) | styleToAdd;
-            if (num == windowLong) return false;
-            InteropMethods.SetWindowLong(hWnd, InteropValues.GWL.STYLE, num);
-            return true;
-        }
+        return VisualStateManager
+            .GetVisualStateGroups(root)?
+            .OfType<VisualStateGroup>()
+            .FirstOrDefault(group => string.CompareOrdinal(groupName, group.Name) == 0);
    }
-}
+
+    internal static FrameworkElement GetImplementationRoot(DependencyObject d) =>
+        1 == VisualTreeHelper.GetChildrenCount(d)
+            ? VisualTreeHelper.GetChild(d, 0) as FrameworkElement
+            : null;
+
+    public static T GetChild<T>(DependencyObject d) where T : DependencyObject
+    {
+        if (d == null) return default;
+        if (d is T t) return t;
+
+        for (var i = 0; i < VisualTreeHelper.GetChildrenCount(d); i++)
+        {
+            var child = VisualTreeHelper.GetChild(d, i);
+
+            var result = GetChild<T>(child);
+            if (result != null) return result;
+        }
+
+        return default;
+    }
+
+    public static T GetParent<T>(DependencyObject d) where T : DependencyObject =>
+        d switch
+        {
+            null => default,
+            T t => t,
+            Window _ => null,
+            _ => GetParent<T>(VisualTreeHelper.GetParent(d))
+        };
+
+    public static IntPtr GetHandle(this Visual visual) => (PresentationSource.FromVisual(visual) as HwndSource)?.Handle ?? IntPtr.Zero;
+
+    internal static void HitTestVisibleElements(Visual visual, HitTestResultCallback resultCallback, HitTestParameters parameters) =>
+        VisualTreeHelper.HitTest(visual, ExcludeNonVisualElements, resultCallback, parameters);
+
+    private static HitTestFilterBehavior ExcludeNonVisualElements(DependencyObject potentialHitTestTarget)
+    {
+        if (!(potentialHitTestTarget is Visual)) return HitTestFilterBehavior.ContinueSkipSelfAndChildren;
+
+        if (!(potentialHitTestTarget is UIElement uIElement) || uIElement.IsVisible && uIElement.IsEnabled)
+            return HitTestFilterBehavior.Continue;
+
+        return HitTestFilterBehavior.ContinueSkipSelfAndChildren;
+    }
+
+    internal static bool ModifyStyle(IntPtr hWnd, int styleToRemove, int styleToAdd)
+    {
+        var windowLong = InteropMethods.GetWindowLong(hWnd, InteropValues.GWL.STYLE);
+        var num = (windowLong & ~styleToRemove) | styleToAdd;
+        if (num == windowLong) return false;
+        InteropMethods.SetWindowLong(hWnd, InteropValues.GWL.STYLE, num);
+        return true;
+    }
+}