Ensured ComboBox is not closed when scrolling

SJMakin · web-flow · commit 0edaf85f2f7d · 2016-08-25T17:30:27.000+01:00
Resolves issue #471
diff --git a/MaterialDesignThemes.Wpf/PopupBox.cs b/MaterialDesignThemes.Wpf/PopupBox.cs
@@ -659,6 +659,9 @@ private static void OnLostMouseCapture(object sender, MouseEventArgs e)
                 {
                     if (popupBox.StaysOpen && popupBox.IsPopupOpen)
                     {
+            	        // Fix for ComboBox scrolling          
+			if (GetCapture() != IntPtr.Zero) return;
+			
                         // Take capture back because click happend outside of control
                         Mouse.Capture(popupBox, CaptureMode.SubTree);
                         e.Handled = true;

Original file line number	Diff line number	Diff line change
`@@ -659,6 +659,9 @@ private static void OnLostMouseCapture(object sender, MouseEventArgs e)`
`659`	`659`	`{`
`660`	`660`	`if (popupBox.StaysOpen && popupBox.IsPopupOpen)`
`661`	`661`	`{`
	`662`	`+ // Fix for ComboBox scrolling`
	`663`	`+ if (GetCapture() != IntPtr.Zero) return;`
	`664`	`+`
`662`	`665`	`// Take capture back because click happend outside of control`
`663`	`666`	`Mouse.Capture(popupBox, CaptureMode.SubTree);`
`664`	`667`	`e.Handled = true;`