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EnumObjects info  Overview  Group

The EnumObjects function enumerates the pens or brushes available for the specified device context. This function calls the application-defined callback function once for each available object, supplying data describing that object. EnumObjects continues calling the callback function until the callback function returns zero or until all of the objects have been enumerated.

int EnumObjects(

    HDC hdc,

// handle to device context

    int nObjectType,

// object-type identifier

    GOBJENUMPROC lpObjectFunc,

// pointer to callback function

    LPARAM lParam 

// pointer to application-supplied data

   );

Parameters

hdc
Identifies the device context.
nObjectType
Specifies the object type. This parameter can be OBJ_BRUSH or OBJ_PEN.
lpObjectFunc
The pointer to the application-defined callback function. For more information about the callback function, see the EnumObjectsProc function.
lParam
Points to the application-defined data. The data is passed to the callback function along with the object information.

Return Values

The return value specifies the last value returned by the callback function. Its meaning is user-defined. The return value is -1 if there are too many objects to enumerate. In this case, the callback function is not called.

See Also

EnumObjectsProc, GetObject

 

See also:


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