TTreeView.OnAdvancedCustomDraw property

Declaration

property OnAdvancedCustomDraw:;

Description

OnAdvancedCustomDraw is a TTVAdvancedCustomDrawEvent property with the event handler signalled to paint the grid control. It is signalled (when assigned) from the CustomDraw method, and occurs when the control executes its Paint method.

Drawing Stages

cdPrePaint

Paint the control when scrollbars are updated. Called after the OnCustomDraw event handler.

cdPostPaint

Paint the control after borders have been drawn.

cdPreErase

Not used in TCustomTreeView. The control does not receive erase notifications.

cdPostErase

Not used in TCustomTreeView. The control does not receive erase notifications.

Use OnCustomDraw to paint the control when the drawing stage is cdPrePaint.

Use IsCustomDrawn to determine if a handler routine has been assigned to an event handler for a specific drawing target (the control or its items).

This description is the one of ComCtrls.TCustomTreeView.OnAdvancedCustomDraw.