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More allocation validation.

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This commit is contained in:
larsbrubaker 2014-10-29 15:47:10 -07:00
parent e306d80c74
commit 330d75079c
1 changed files with 2 additions and 1 deletions
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3
PartPreviewWindow/ViewGcodeBasic.cs
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@ -114,7 +114,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
void Clear3DGCode(object sender, EventArgs e)
{
if (gcodeViewWidget != null)
if (gcodeViewWidget != null
&& gcodeViewWidget.gCodeRenderer != null)
{
gcodeViewWidget.gCodeRenderer.Clear3DGCode();
gcodeViewWidget.Invalidate();