Declaration

ICanvasSupport = interface(IUnknown)

Description

ICanvasSupport provides access to a standard VCL/LCL TCanvas bound to the backend surface device context.

Properties

Property	Type	Access	Description
Canvas	TCanvas	Read-only	Returns the TCanvas instance associated with the backend device context.
OnCanvasChange	TNotifyEvent	Read/Write	Event handler triggered when canvas state or handles change.

Methods

• function GetCanvas: TCanvas;
• function CanvasAllocated: Boolean;
• procedure DeleteCanvas;
• function GetCanvasChange: TNotifyEvent;
• procedure SetCanvasChange(Handler: TNotifyEvent);