Interface icanvas
Unit
Declaration
type icanvas = interface(inullinterface)
Description
This item has no description. Showing description inherited from inullinterface.
Base of MSEgui's "CORBA-style" interfaces (declared under {$interfaces corba} instead of the default COM-style {$interfaces com}): they carry no reference counting, so classes implementing them keep their usual create/destroy lifetime management instead of being freed implicitly when an interface variable goes out of scope. This avoids the pitfalls of mixing COM-style interface lifetime handling with normal object lifetime handling. Use getcorbainterface to fetch such an interface from an object instance.
Hierarchy
- IInterface
- inullinterface
- icanvas
Overview
Methods
| Public | procedure gcneeded(const sender: tcanvas); |
| Public | function getkind: bitmapkindty; |
| Public | function getsize: sizety; |
| Public | procedure getcanvasimage(const bgr: boolean; var aimage: maskedimagety); |
Description
Methods
| Public | procedure gcneeded(const sender: tcanvas); |
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| Public | function getkind: bitmapkindty; |
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| Public | function getsize: sizety; |
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| Public | procedure getcanvasimage(const bgr: boolean; var aimage: maskedimagety); |
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