控件给主窗口发送消息-直接调用onmousemove

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class CTitleButton : public CBCGPButton {     DECLARE_DYNAMIC(CTitleButton)   public:     CTitleButton();     virtual ~CTitleButton();   protected:     DECLARE_MESSAGE_MAP()   public:     afx_msg void OnMouseMove(UINT nFlags, CPoint point); };

　　

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IMPLEMENT_DYNAMIC(CTitleButton, CBCGPButton)   CTitleButton::CTitleButton()     : CBCGPButton() { }   CTitleButton::~CTitleButton() { }   BEGIN_MESSAGE_MAP(CTitleButton, CBCGPButton)     ON_WM_MOUSEMOVE() END_MESSAGE_MAP()   void CTitleButton::OnMouseMove(UINT nFlags, CPoint point) {     CWnd* pParent = GetParent();     if (pParent)     {         pParent->SendMessage(WM_MOUSEMOVE, nFlags, MAKELPARAM(point.x, point.y));     }     CBCGPButton::OnMouseMove(nFlags, point); }

　　

 

主窗口中的OnMouseMove如下调用：

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void CDlgMain::OnMouseMove(UINT nFlags, CPoint point) {     static CPoint PrePoint = CPoint(0, 0);     if(MK_LBUTTON == nFlags)     {         if(point != PrePoint)                 { *****     　　　　　　　　　　　　CPoint ptTemp = point - PrePoint;             GetMainWnd()->GetWindowRect(&rcWindow); ******     　　　　　　　　　　　　rcWindow.OffsetRect(ptTemp.x + ioff, ptTemp.y);             GetMainWnd()->MoveWindow(&rcWindow);                       }          } }