WebGraphics.ClearRectangle
From Xojo Documentation
Method
WebGraphics.ClearRectangle(X As Integer, Y As Integer, Width As Integer, Height As Integer)
New in 2020r1
Supported for all project types and targets.
New in 2020r1
Supported for all project types and targets.
Clears the rectangle described by the parameters passed by filling it with the background color.
Sample Code
This example clears the entire drawing area:
g.ClearRectangle(0, 0, g.Width, g.Height)