piDogScrollingCanvas.PaintDragLayer
Scope: Public
Event PaintDragLayer(g as Graphics, area As piDogGeometry.DoubleRect,zoom as double=1,xOffset As double=0,yOffset As double=0) As boolean
area needs to be redrawn. g is the main graphics. m is the graphcs for masking under carbon/win32. Zoom is the scale. xOffset/yOffset should be subtracted from coordinates before drawing.