OCR-OCR区域识别右键取消框选

PDF Office/Views/Scan/ScanViwer.xaml

@@ -7,6 +7,7 @@
              mc:Ignorable="d"
              Loaded="UserControl_Loaded"
              Unloaded="UserControl_Unloaded"
+             KeyDown="UserControl_KeyDown"
              >
 
     <Grid PreviewMouseWheel="Grid_MouseWheel" HorizontalAlignment="Stretch"  VerticalAlignment="Stretch" Background="LightGray" MouseLeftButtonUp="BitmapPanel_MouseLeftButtonUp">

PDF Office/Views/Scan/ScanViwer.xaml.cs

@@ -190,5 +190,15 @@ namespace PDF_Office.Views.Scan
         {
             item.Click -= Item_Click;
         }
+
+        private void UserControl_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Escape)
+            {
+                BitmapPanel.SetRect(new Rect(0,0,0,0));
+                BitmapPanel.RectDraw();
+                e.Handled = true;
+            }
+        }
     }
 }