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The base class for the canvas property of several graphic controls, such as TGraphicControl and TCustomControl
Source position: controls.pp line 238
type TControlCanvas = class(TCanvas) |
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protected |
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procedure CreateHandle; override; |
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public |
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constructor Create; |
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Create this instance of Control Canvas |
destructor Destroy; override; |
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Destroy this Control Canvas and free its resources |
procedure FreeHandle; override; |
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Free the Operating System handle for this control once we have finished using it |
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The Control object for which this is the Canvas |
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end; |
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The base class for the canvas property of several graphic controls, such as TGraphicControl and TCustomControl |
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TCanvas |
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TObject |
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TGraphicControl is the base class for all lightweight controls. |
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TCustomControl - a base class for many window controls |
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TCanvas - where most of the drawing is performed |
lazarus-ccr.sourceforge.net |