HRESULT FoldersTree_SetData(HWND hwnd, void *ptr);
[in] HWND hwnd
Handle of the control.
[in] void *ptr
The value to set.
Sets the user data associated with a FoldersTree control.
Do not use SetWindowLong
to set such data, because this
is used internally by FoldersTree control implementation.
See also: FoldersTree_GetData, FoldersTree_SetItemData.