TBaseVirtualTree.DoPaintDropMark Method

Overridable method which draws the small line on top of a nodes image depending on the current drop state.

procedure DoPaintDropMark(Canvas: TCanvas; Node: PVirtualNode; R: TRect); virtual;

This method draws a simple polyline using Colors.DropMarkColor. Descentant can override this method to customize the appearance of the drop mark.

TBaseVirtualTree Class