TCustomComboBox.Canvas property

Declaration

property Canvas: TCanvas read FCanvas;

Description

Canvas is a read-only TCanvas property which provides access to the drawing surface used for the control. The class implementation actually uses a TControlCanvas instance in the member.

Canvas is used in methods like DrawItem, and in private methods which handle the LM_DrawListItem message for the control. Canvas is also passed as an argument to methods in the ancestor class like PaintTo. Canvas can be useful in OnDrawItem event handler when used to render list items for the control.

See also

• Items
• DrawItem
• OnDrawItem
• TWinControl.PaintTo
• TCanvas
• TControlCanvas