CGXGridCore::IsDragSelection
BOOL IsDragSelection(int* pnSelDragMode = NULL);
pnSelDragMode
Points to an integer value to receive the dragging-mode. The pointer can be NULL if the value is not required. The mode will be set either to GX_SELDRAG_COL when the user is dragging columns or GX_SELDRAG_ROW when the user is dragging rows.
Return Value
TRUE when the user is dragging rows or columns.