Show: Delphi C++
Display Preferences

Vcl.ExtCtrls.TImage.Canvas

From RAD Studio API Documentation
Jump to: navigation, search

Delphi

property Canvas: TCanvas read GetCanvas;

C++

__property Vcl::Graphics::TCanvas* Canvas = {read=GetCanvas};

Properties

Type Visibility Source Unit Parent
property public
Vcl.ExtCtrls.pas
Vcl.ExtCtrls.hpp
Vcl.ExtCtrls TImage

Description

Provides a drawing surface for embellishing bitmap images.

Canvas is the TCanvas object on which the image for the TImage component is drawn. The painting of the image specified in the Picture property is automatic and does not require manual intercession for the picture to appear.

You can use properties and methods of TCanvas to do such things as draw lines, draw images, and write text to the canvas of the TImage control.

Note: Canvas is only available if the Picture property represents a TBitmap object. Trying to read Canvas when Picture represents another type of graphic image causes TImage to raise an EInvalidOperation exception.

See Also

Code Examples


Personal tools
In Other Languages
Previous Versions
Assistance