Find a graphics extended node associated with a given pointer
Source position: agraphics.pas line 2157
function GfxLookUp( |
Pointer_: Pointer |
Pointer_ |
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A pointer to a data structure which may have an ExtendedNode associated with it (typically a View ). |
A pointer to the ExtendedNode that has previously been associated with the pointer.
Finds a special graphics extended data structure (if any) associated with the pointer to a data structure (eg: ViewExtra associated with a View structure).
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Allocate a graphics extended data structure |
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associate a graphics extended node with a given pointer |
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Free a graphics extended data structure |