WM消息对应的Message消息中的Lparam和WParam 具体的消息表示: 1. WM_PAINT消息,LOWORD(lParam)是客户区的宽,HIWORD(lParam)是客户区的高 2. 滚动条WM_VSCROLL或WM_HSCROLL消息,LOWORD(wParam)指出了鼠标对滚动条的操作。比如上、下、左、右、翻页、移动等。 3. 击键消息,有WM_SYSKEYDOWN、WM_SYSKEYUP、WM_...
Une fenêtre reçoit ce message via sa fonction WindowProc.C++ Copier LRESULT CALLBACK WindowProc(HWND hwnd, // handle to window UINT uMsg, // WM_DEVICECHANGE WPARAM wParam, // device-change event LPARAM lParam ); // event-specific data ...
afx_msg voidOnSysDeadChar( UINT, UINT, UINT ); ON_WM_SYSKEYDOWN( ) afx_msg voidOnSysKeyDown( UINT, UINT, UINT ); ON_WM_SYSKEYUP( ) afx_msg voidOnSysKeyUp( UINT, UINT, UINT ); See Also Concepts Message Maps (MFC) Handlers for WM_ Messages...
今天在MSDN中查找WndProc函数中m.Msg,把一些常用的顺手都查找了一下,把WM_Messages列举了一下,以下只是一些常用的,如果大家还有常用到的可以补充哦。 windows消息WM_ WM_NULL = $0000; WM_CREATE = $0001; 应用程序创建一个窗口 WM_DESTROY = $0002; 一个窗口被销毁 WM_MOVE = $0003; 移动一个窗口 WM_...
The latest version of this topic can be found atWM_ Message Handlers: N - O. The following map entries on the left correspond to the function prototypes on the right: Map entryFunction prototype ON_WM_NCACTIVATE()afx_msg BOOL OnNcActivate(BOOL); ...
Sent when the size and position of a window's client area must be calculated. By processing this message, an application can control the content of the window's client area when the size or position of the window changes.A window receives this message through its WindowProc function....
List.Free;end; {向 Panel1 发送 WM_MOUSEMOVE 消息}{第一个消息参数是 0, 表示没有按任何辅助键}{第二个消息参数是 0, 相当于把鼠标移动到(0,0)坐标}procedureTForm1.Button1Click(Sender: TObject);beginPanel1.Perform(WM_MOUSEMOVE, 0, 0);end; ...
学习Message(2): 发送 WM_MOUSEMOVE 消息,学习Message(2):发送WM_MOUSEMOVE消息本例效果图:代码文件:unitUnit1;interfaceusesWindows,Messages,SysUtils,Variants,Classes,Graphics,Controls,Forms,
When the child window is being created, the system sends WM_PARENTNOTIFY just before the CreateWindow or CreateWindowEx function that creates the window returns. When the child window is being destroyed, the system sends the message before any processing to destroy the window takes place....
A window receives this message through itsWindowProcfunction. Copy #define WM_PARENTNOTIFY 0x0210 Parameters wParam The low-order word ofwParamspecifies the event for which the parent is being notified. The value of the high-order word depends on the value of the low-order word. This parameter...