CGXControl::OnGridSysKeyDown
virtual BOOL OnGridSysKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
nChar
Specifies the virtual-key code of the given key.
nRepCnt
Repeat count (the number of times the keystroke is repeated as a result of the user holding down the key).
nFlags
Specifies the scan code, key-transition code, previous key state, and context code, as shown in CWnd::OnKeyDown.
Return Value
TRUE if message was processed; FALSE for default processing.
Remarks
KeyPressed will call this overridable for WM_SYSKEYDOWN messages.
