移动无边框窗体（发送WM_SYSCOMMAND和SC_MOVE + HTCAPTION消息）
MESSAGE_HANDLER(WM_NCHITTEST, OnNcHitTest)
LRESULT OnNcHitTest(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
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::SendMessage(m_hWndMainFrame,WM_SYSCOMMAND, SC_MOVE|0x0002,(LPARAM)&pt);
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如果是对话框则直接
LRESULT OnNcHitTest(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
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POINT pt;
pt.x = GET_X_LPARAM(lParam);
pt.y = GET_Y_LPARAM(lParam);
GetClientRect(&rc);
if(rc.PtInRect(pt)){
return HTCAPTION;
}
return 0;
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