maplewei
diff --git a/‎src/Shared/HandyControl_Shared/Controls/Image/ImageViewer.cs‎
Lines changed: 2 additions & 0 deletions b/‎src/Shared/HandyControl_Shared/Controls/Image/ImageViewer.cs‎
Lines changed: 2 additions & 0 deletions
@@ -512,6 +512,8 @@ private void Init()
 
  private void Dispatcher_Tick(object sender, EventArgs e)
  {
+ if (_dispatcher == null) return;
+
  if (ImageSource == null || !IsLoaded)
  {
  _dispatcher.Stop();
Original file line number	Diff line number	Diff line change
`@@ -512,6 +512,8 @@ private void Init()`
`512`	`512`
`513`	`513`	`private void Dispatcher_Tick(object sender, EventArgs e)`
`514`	`514`	`{`
	`515`	`+ if (_dispatcher == null) return;`
	`516`	`+`
`515`	`517`	`if (ImageSource == null \|\| !IsLoaded)`
`516`	`518`	`{`
`517`	`519`	`_dispatcher.Stop();`