This function is called by the library when the selection state of a mark is changed.
Declaration:
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typedef BOOL (ACCUAPI *LPFNIG_ART_SELECTNOTIFYFUNC)(
HIGEAR hIGear,
LPVOID lpPrivate,
ART_MARK_INDEX hMarkIndex,
BOOL fSelect
);
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Arguments:
| hIGear | HIGEAR handle of an image. |
| lpPrivate | A far pointer to the private callback data. |
| hMarkIndex | The index for the selected mark. |
| fSelect | A flag of type BOOL indicating the new selection state (selected/unselected). |
Return Value:
Returns FALSE for the mark's selection state to remain unchanged; returns TRUE to allow the mark's selection state to change.
Supported Raster Image Formats:
All pixel formats supported by ImageGear Professional.
Sample:
None
Example:
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BOOL ACCUAPI ARTSelectNotify( HIGEAR hIGear, LPVOID
lpPrivate, ART_MARK_INDEX hMarkIndex, BOOL fSelect)
{
ART_MARK_ATTRIBUTES ma;
ART_mark_query(hIGear, hMarkIndex, &ma);
if (ma.dwType == ART_MARK_BUTTON && fSelect == TRUE)
{
/* prevent button marks from being selected */
return FALSE;
}
return TRUE;
}
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Remarks:
If the callback function returns FALSE, the mark's selection state is not changed. It returns TRUE to allow the selection state to be changed.
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In order to use this callback, it must be registered with ART using the function ART_callback_register(). |