wpclsQueryIcon
This class method is called to allow the class object to specify the default icon to be used for its instances.
Syntax
_wpclsQueryIcon(somSelf)
Parameters
- somSelf (M_WPObject *) - input
- Pointer to the WPObject class object.
- hptrSuccess (HPOINTER) - returns
- Success indicator. NULL Error occurred. Other Handle to an icon.
Returns
- hptrSuccess (HPOINTER) - returns
- Success indicator. NULL Error occurred. Other Handle to an icon.
Remarks
The class default icon can be loaded on wpclsInitData and freed on wpclsUnInitData.
How to Override
This method is overridden in order to change the default icon for an instance of the class.
Usage
This method can be called at any time in order to determine the default icon for instances of this class.
Example Code
Declaration:
#define INCL_WINWORKPLACE #include <os2.h> M_WPObject *somSelf; /* Pointer to the WPObject class object. */ HPOINTER hptrSuccess; /* Success indicator. */ hptrSuccess = _wpclsQueryIcon(somSelf);
This example returns the handle to an icon.
SOM_Scope HPOINTER SOMLINK pviewM_wpclsQueryIcon(M_PictureViewer *somSelf)
{
/* M_PictureViewerData *somThis = M_PictureViewerGetData(somSelf); */
M_PictureViewerMethodDebug('M_PictureViewer','pviewM_wpclsQueryIcon');
/* return (parent_wpclsQueryIcon(somSelf)); don't call parent method */
return ( _hIcon ); /* Return own Icon */
}