Only call Invalidate on change

- Issue MatterHackers/MCCentral#3067 Hang on MatterControl close if Extruder/Bed popup open
2018-04-07 14:26:24 -07:00 · 2018-04-07 14:26:24 -07:00 · 267082b2be
commit 267082b2be
parent ea6c45aa0a
1 changed files with 5 additions and 2 deletions
--- a/PartPreviewWindow/RoundedToggleSwitch.cs
+++ b/PartPreviewWindow/RoundedToggleSwitch.cs
@ -60,8 +60,11 @@ namespace MatterHackers.MatterControl.CustomWidgets
 			get => _checked;
 			set
 			{
-				_checked = value;
-				this.Invalidate();
+				if (_checked != value)
+				{
+					_checked = value;
+					this.Invalidate();
+				}
 			}
 		}