C++
virtual void OnBeginDrag( const CAcTcUiCatalogViewItemArray& itemsDragged, IDataObject* pDataObject, DWORD dwKeyState );
Description
This function is called by the catalog view before starting to drag the items in the view. It gives derived classes an opportunity to copy the item's drag-and-drop data to the data object.
Parameters
Parameters | Description |
---|---|
itemsDragged | Input array of items being dragged |
pDataObject | Input data object |
dwKeyState | Input state of the modifier keys, which is a combination of any of the following: MK_CONTROL, MK_SHIFT, MK_ALT, MK_LBUTTON, MK_MBUTTON, and MK_RBUTTON |