RevokeDragDrop function
Revokes the registration of the specified application window as a potential target for OLE drag-and-drop operations.
Syntax
HRESULT RevokeDragDrop( _In_ HWND hwnd );
Parameters
- hwnd [in]
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Handle to a window previously registered as a target for an OLE drag-and-drop operation.
Return value
This function returns S_OK on success. Other possible values include the following.
| Return code | Description |
|---|---|
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An attempt was made to revoke a drop target that has not been registered. |
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Invalid handle returned in the hwnd parameter. |
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There is insufficient memory for the operation. |
Remarks
When your application window is no longer available as a potential target for an OLE drag-and-drop operation, you must call RevokeDragDrop.
This function calls the IUnknown::Release method for your drop target interface.
Requirements
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Minimum supported client |
Windows 2000 Professional [desktop apps only] |
|---|---|
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Minimum supported server |
Windows 2000 Server [desktop apps only] |
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Header |
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Library |
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DLL |
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See also