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Guard for null at startup

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This commit is contained in:
John Lewin 2017-12-18 12:25:23 -08:00
parent a7f0c1f7ab
commit c49f43abf3
1 changed files with 5 additions and 2 deletions
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7
PartPreviewWindow/View3D/View3DWidget.cs
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@ -534,8 +534,11 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
// When GCode changes, switch to the 3D layer view
printer.ViewState.ViewMode = PartViewMode.Layers3D;
// HACK: directly fire method which previously ran on SlicingDone event on PrintItemWrapper
UiThread.RunOnIdle(() => printerTabPage.gcode3DWidget.CreateAndAddChildren(printer));
if (printerTabPage.gcode3DWidget != null)
{
// HACK: directly fire method which previously ran on SlicingDone event on PrintItemWrapper
UiThread.RunOnIdle(() => printerTabPage.gcode3DWidget.CreateAndAddChildren(printer));
}
}
}