LoadBitmap

The LoadBitmap function loads the specified bitmap resource from a module's executable file.

HBITMAP LoadBitmap(

HINSTANCE hInstance,	// handle of application instance
LPCTSTR lpBitmapName	// address of bitmap resource name
);

Parameters

hInstance

Identifies the instance of the module whose executable file contains the bitmap to be loaded.

lpBitmapName

Points to a null-terminated string that contains the name of the bitmap resource to be loaded. Alternatively, this parameter can consist of the resource identifier in the low-order word and zero in the high-order word. The MAKEINTRESOURCE macro can be used to create this value.

Return Values

If the function succeeds, the return value is the handle of the specified bitmap.

If the function fails, the return value is NULL.

Remarks

If the bitmap pointed to by the lpBitmapName parameter does not exist or there is insufficient memory to load the bitmap, the function fails.

An application can use the LoadBitmap function to access the predefined bitmaps used by the Win32 API. To do so, the application must set the hInstance parameter to NULL and the lpBitmapName parameter to one of the following values:

OBM_BTNCORNERS	OBM_OLD_RESTORE
OBM_BTSIZE	OBM_OLD_RGARROW
OBM_CHECK	OBM_OLD_UPARROW
OBM_CHECKBOXES	OBM_OLD_ZOOM
OBM_CLOSE	OBM_REDUCE
OBM_COMBO	OBM_REDUCED
OBM_DNARROW	OBM_RESTORE
OBM_DNARROWD	OBM_RESTORED
OBM_DNARROWI	OBM_RGARROW
OBM_LFARROW	OBM_RGARROWD
OBM_LFARROWD	OBM_RGARROWI
OBM_LFARROWI	OBM_SIZE
OBM_MNARROW	OBM_UPARROW
OBM_OLD_CLOSE	OBM_UPARROWD
OBM_OLD_DNARROW	OBM_UPARROWI
OBM_OLD_LFARROW	OBM_ZOOM
OBM_OLD_REDUCE	OBM_ZOOMD

Bitmap names that begin with OBM_OLD represent bitmaps used by Windows versions earlier than 3.0.

For an application to use any of the OBM_ constants, the constant OEMRESOURCE must be defined before the WINDOWS.H header file is included.

The application must call the DeleteObject function to delete each bitmap handle returned by the LoadBitmap function.

See Also

CreateBitmap, DeleteObject, LoadCursor, LoadIcon, MAKEINTRESOURCE

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