{供 WM_LBUTTONUP 消息调用的自定义过程} procedure OnLButtonUp(h: HWND); var Rect: TRect; begin GetClientRect(h, Rect); {获取客户区矩形} InvalidateRect(h, @Rect, True); {使客户区无效, 从而强制重绘} end; {供 WM_MOUSEMOVE 消息调用的自定义过程} procedure OnMouseMove(h: HWND; lParam: Int...
End Sub Private Sub List1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)Dim lXPoint As Long, lYPoint As Long, lIndex As LongIf Button = 0 Then '确定在移动鼠标的同时没有按下功能键或者鼠标键lXPoint = CLng(X / Screen.TwipsPerPixelX) '获得光标的位置,以像素为...
afx_msg 无效OnMouseLeave(); ON_WM_MOUSEMOVE () afx_msg 无效OnMouseMove(UINT, CPoint); ON_WM_MOUSEWHEEL () afx_msg BOOLOnMouseWheel(UINT,短, CPoint); ON_WM_MOVE () afx_msg 无效OnMove(int, int); ON_WM_MOVING () afx_msg 无效OnMoving(UINT, LPRECT); ...
{供 WM_LBUTTONUP 消息调用的自定义过程} procedure OnLButtonUp(h: HWND); var Rect: TRect; begin GetClientRect(h, Rect); {获取客户区矩形} InvalidateRect(h, @Rect, True); {使客户区无效, 从而强制重绘} end; {供 WM_MOUSEMOVE 消息调用的自定义过程} procedure OnMouseMove(h: HWND; lParam: ...
WM_MOUSEMOVE和WM_NCMOUSEMOVE是Windows操作系统中的消息,用于处理鼠标移动事件。 WM_MOUSEMOVE消息是在鼠标指针移动时发送给窗口的消息。它可以用于实时跟踪鼠标...
参数: fActive = LOWORD(wParam); // activation flag fMinimized = (BOOL)HIWORD(wParam); // minimized flag hwndPrevious= (HWND)lParam; // window handle fActive 参数主要定义了该窗口发生了什么事情,即该窗口是被激活还是被取消。该信息保存在 wParam 的低阶字中,可以取以下的值: ...
{使客户区无效, 从而强制重绘} end; {供 WM_MOUSEMOVE 消息调用的自定义过程} procedure OnMouseMove(h: HWND; lParam: Integer); var pt: TPoint; buf: array[0..255] of Char; begin pt.X := LoWord(lParam); {lParam 中的低两位是 x 坐标} pt.Y := HiWord(lParam); {lParam 中的高两位是 ...
{供 WM_LBUTTONUP 消息调用的自定义过程}procedureOnLButtonUp(h: HWND);varRect: TRect;beginGetClientRect(h, Rect);{获取客户区矩形}InvalidateRect(h, @Rect, True);{使客户区无效, 从而强制重绘}end;{供 WM_MOUSEMOVE 消息调用的自定义过程}procedureOnMouseMove(h: HWND; lParam: Integer);varpt: T...
ON_WM_MOUSEMOVE() afx_msg voidOnMouseMove( UINT, CPoint); ON_WM_MOUSEWHEEL() afx_msg BOOLOnMouseWheel(UINT,短,CPoint); ON_WM_MOVE() 无效afx_msgOnMove(int,int); ON_WM_MOVING() afx_msg voidOnMoving(UINT, LPRECT); 消息映射 (MFC) ...