Canvas.DoubleBuffer
From Xojo Documentation
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This item was deprecated in version 2019r2. |
Property (As Boolean )
aCanvas.DoubleBuffer = newBooleanValue
or
BooleanValue = aCanvas.DoubleBuffer
New in 2009r1
Supported for all project types and targets.
or
BooleanValue = aCanvas.DoubleBuffer
New in 2009r1
Supported for all project types and targets.
If True, the Canvas will be double-buffered.
Notes
Double-buffering requires additional memory and the Canvas loses its transparency. Since macOS and Linux already double-buffer the user interface, this property is most useful on Windows.
If DoubleBuffer is True, then you should set EraseBackground to False. If EraseBackground is not disabled, then it will cause the Canvas to flicker.
Sample Code
The following code in the Open event of the Canvas enabled double-buffering: