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DL_CANCELDRAG Overview  Group

The DL_CANCELDRAG notification message signals that the user has canceled a drag operation by clicking the right mouse button or pressing the ESC key. A drag list box sends DL_CANCELDRAG to its parent window in the form of a drag list message. 

DL_CANCELDRAG 

idCtl = (int) wParam; 

pDragInfo = (LPDRAGLISTINFO) lParam; 

 

Parameters

idCtl
Control identifier of the drag list box.
pDragInfo
Pointer to a DRAGLISTINFO structure that contains the DL_CANCELDRAG notification code, the handle to the drag list box, and the cursor position.

Return Values

No return value.

Remarks

By processing the DL_CANCELDRAG notification message, an application can reset its internal state to indicate that dragging is not in effect.

See Also

DRAGLISTINFO 

file: /Techref/os/win/api/win32/mess/src/msg04_1.htm, 1KB, , updated: 2000/4/7 11:19, local time: 2024/11/17 01:20,
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