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crash when right clicking genesis VDP viewer palette box #1449

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zeromus opened this issue Jan 15, 2019 · 1 comment

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commented Jan 15, 2019

Title.

[...]
System.NullReferenceException: Object reference not set to an instance of an object.
   at BizHawk.Client.EmuHawk.GenVDPViewer.DrawTiles()
   at System.Windows.Forms.Control.OnMouseClick(MouseEventArgs e)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
[...]

The method in question

edit: stacktrace and link to code --yoshi

@zeromus zeromus self-assigned this Jan 15, 2019

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commented Mar 2, 2019

Seems like DrawTiles() in bmpViewPal_MouseClick should be UpdateValues() instead, otherwise View is null.

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