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Invoked repeatedly until the inner data cells drag-and-dropping is processed. The method returns DRAGDROP_S_CANCEL if the Escape key is pressed, or the left button is raised before the dragging starts. The method returns DRAGDROP_S_DROP if a drop operation should occur; otherwise returns S_OK.

virtualSCODE OnGridDropSourceQueryContinueDrag(
   BOOL bEscapePressed,
   DWORD dwKeyState


Indicates whether the Escape key was pressed.
Contains the state of the modifier keys on the keyboard. This is a combination of any number of the following: MK_CONTROL, MK_SHIFT, MK_LBUTTON, MK_MBUTTON, and MK_RBUTTON.

See Also

CExtGridWnd Overview | Class Members | Hierarchy Chart