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Fix preparing a bitmap in propgrid sample

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Set explicitly the background colour before clearing the bitmap.
This commit is contained in:
Artur Wieczorek
2019-10-02 00:08:24 +02:00
parent 4489ddc13c
commit 3bf082a8e5
1 changed files with 1 additions and 0 deletions
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samples/propgrid/propgrid.cpp
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@@ -1399,6 +1399,7 @@ void FormMain::PopulateWithExamples ()
wxBitmap myTestBitmap(60, 15, 32); wxBitmap myTestBitmap(60, 15, 32);
wxMemoryDC mdc; wxMemoryDC mdc;
mdc.SelectObject(myTestBitmap); mdc.SelectObject(myTestBitmap);
mdc.SetBackground(*wxWHITE_BRUSH);
mdc.Clear(); mdc.Clear();
mdc.SetPen(*wxBLACK); mdc.SetPen(*wxBLACK);
mdc.DrawLine(0, 0, 60, 15); mdc.DrawLine(0, 0, 60, 15);