Demo/Examples/Compdfkit_Tools/PDFView/PDFViewControl/PDFViewControl.xaml.cs

@@ -47,6 +47,9 @@ namespace Compdfkit_Tools.PDFControl
         //private ContextMenu RightMenu;
         #region Properties
 
+        private double splitWidthScale = 0.5;
+        private double splitHeightScale = 0.5;
+
         public bool CustomSignHandle { get; set; }
 
         private double[] zoomLevelList = { 1f, 8f, 12f, 25, 33f, 50, 66f, 75, 100, 125, 150, 200, 300, 400, 600, 800, 1000 };
@@ -54,8 +57,6 @@ namespace Compdfkit_Tools.PDFControl
         public PDFViewControl()
         {
             InitializeComponent();
-
-
             viewerTool = new CPDFViewerTool();
             toolManager = new CPDFToolManager(viewerTool);
             Loaded += PDFViewControl_Loaded;
@@ -78,7 +79,7 @@ namespace Compdfkit_Tools.PDFControl
             PDFToolManager.MouseLeftButtonUpHandler -= PDFToolManager_MouseLeftButtonUpHandler;
             PDFToolManager.MouseMoveHandler -= PDFToolManager_MouseMoveHandler;
             PDFToolManager.AnnotDefaultEditedHandler -= PDFToolManager_AnnotDefaultEditedHandler;
-            PDFToolManager.MouseRightButtonDownHandler += PDFToolManager_MouseRightButtonDownHandler;
+            PDFToolManager.MouseRightButtonDownHandler -= PDFToolManager_MouseRightButtonDownHandler;
 
             PDFViewTool.SizeChanged += PDFViewTool_SizeChanged;
             PDFViewTool.GetCPDFViewer().MouseWheelZoomHandler += PDFViewControl_MouseWheelZoomHandler;
@@ -96,7 +97,7 @@ namespace Compdfkit_Tools.PDFControl
             splitToolManager.MouseLeftButtonUpHandler -= PDFToolManager_MouseLeftButtonUpHandler;
             splitToolManager.MouseMoveHandler -= PDFToolManager_MouseMoveHandler;
             splitToolManager.AnnotDefaultEditedHandler -= PDFToolManager_AnnotDefaultEditedHandler;
-            splitToolManager.MouseRightButtonDownHandler += PDFToolManager_MouseRightButtonDownHandler;
+            splitToolManager.MouseRightButtonDownHandler -= PDFToolManager_MouseRightButtonDownHandler;
 
             splitViewerTool.SizeChanged += SplitViewerTool_SizeChanged;
             splitViewerTool.GetCPDFViewer().MouseWheelZoomHandler += SplitPDFViewControl_MouseWheelZoomHandler;
@@ -162,6 +163,14 @@ namespace Compdfkit_Tools.PDFControl
 
         private void SplitViewerTool_SizeChanged(object sender, SizeChangedEventArgs e)
         {
+            if (VerticalView.Visibility == Visibility.Visible)
+            {
+                splitWidthScale = VerticalView.ActualWidth / ViewToolGrid.ActualWidth;
+            }
+            if (HorizontalView.Visibility == Visibility.Visible)
+            {
+                splitHeightScale = HorizontalView.ActualHeight / ViewToolGrid.ActualHeight;
+            }
             splitViewerTool.GetCPDFViewer().UpDateRenderFrame();
         }
 
@@ -354,6 +363,18 @@ namespace Compdfkit_Tools.PDFControl
             HorizontalView.Child = null;
         }
 
+        public void WindowSizeChange()
+        {
+            if(VerticalView.Visibility == Visibility.Visible)
+            {
+                ViewToolGrid.ColumnDefinitions[2].Width = new GridLength(ViewToolGrid.ActualWidth * splitWidthScale);
+            }
+            if(HorizontalView.Visibility == Visibility.Visible)
+            {
+                ViewToolGrid.RowDefinitions[2].Height = new GridLength(ViewToolGrid.ActualHeight * splitHeightScale);
+            }
+        }
+
         private void PDFView_GotFocus(object sender, RoutedEventArgs e)
         {
             switch ((sender as Border).Tag)
@@ -412,7 +433,7 @@ namespace Compdfkit_Tools.PDFControl
                     FocusPDFViewTool = splitViewerTool;
                     break;
             }
-            //SelectedPDFViewToolChanged?.Invoke(this, EventArgs.Empty);
+            FocusPDFViewToolChanged?.Invoke(this, EventArgs.Empty);
         }
     }
 }

Demo/Examples/PDFViewer/MainPage.xaml.cs

@@ -146,6 +146,9 @@ namespace PDFViewer
                     return;
                 }
 
+                SizeChanged -= MainPage_SizeChanged;
+                SizeChanged += MainPage_SizeChanged;
+
                 //viewControl.PDFView.Load();
                 //viewControl.PDFView.SetShowLink(true);
 
@@ -178,6 +181,11 @@ namespace PDFViewer
             }
         }
 
+        private void MainPage_SizeChanged(object sender, SizeChangedEventArgs e)
+        {
+            viewControl.WindowSizeChange();
+        }
+
         private void DisplaySettingsControl_SplitModeChanged(object sender, Compdfkit_Tools.PDFControlUI.CPDFViewModeUI.SplitMode e)
         {
             viewControl.SetSplitViewMode(e);