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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| gdi32.lib
| Header File
| wingdi.h
| Unicode
| No
| Platform Notes
| Windows 95: int == 16 bits
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EnumObjects
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
| );
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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
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