2013-10-30 68 views
0

我正在嘗試查看每次在屏幕上移動鼠標時是否更新光標值。C#不更新光標值

我將此項目設置爲「控制檯」應用程序。

Cursor.Position = new Point(Cursor.Position.X); 
Cursor.Position = new Point(Cursor.Position.Y); 
Console.WriteLine("x: " + Cursor.Position.X + " y: " + Cursor.Position.Y); 
Console.ReadLine(); 

它打印出這樣的:(0,0)

任何幫助嗎?仍在學習C#。謝謝。

+0

didnt沒有嘗試過任何事件捕捉鼠標移動??? – Aravind

+0

@Aravind沒有按鈕我怎麼辦? '私人無效button1_MouseCaptureChanged(對象發件人,EventArgs e)' – Singh2013

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它工作????? – Aravind

回答

1

試試這個

來源:http://blogs.msdn.com/b/toub/archive/2006/05/03/589468.aspx

class MouseMove 
{ 
    private static LowLevelMouseProc _proc = HookCallback; 
    private static IntPtr _hookID = IntPtr.Zero; 

    static void Main(string[] args) 
    { 
     _hookID = SetHook(_proc); 
     Application.Run(); 
     UnhookWindowsHookEx(_hookID); 

    } 
    private static IntPtr SetHook(LowLevelMouseProc proc) 
    { 
     using (Process curProcess = Process.GetCurrentProcess()) 
     using (ProcessModule curModule = curProcess.MainModule) 
     { 
      return SetWindowsHookEx(WH_MOUSE_LL, proc, 
       GetModuleHandle(curModule.ModuleName), 0); 
     } 
    } 

    private delegate IntPtr LowLevelMouseProc(int nCode, IntPtr wParam, IntPtr lParam); 

    private static IntPtr HookCallback(
     int nCode, IntPtr wParam, IntPtr lParam) 
    { 
     if (nCode >= 0 && 
      MouseMessages.WM_LBUTTONDOWN == (MouseMessages)wParam) 
     { 
      MSLLHOOKSTRUCT hookStruct = (MSLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(MSLLHOOKSTRUCT)); 
      Console.WriteLine("X : "+hookStruct.pt.x + ", " +"Y: " +hookStruct.pt.y); 
     } 
     return CallNextHookEx(_hookID, nCode, wParam, lParam); 
    } 

    private const int WH_MOUSE_LL = 14; 

    private enum MouseMessages 
    { 
     WM_LBUTTONDOWN = 0x0201, 
     WM_LBUTTONUP = 0x0202, 
     WM_MOUSEMOVE = 0x0200, 
     WM_MOUSEWHEEL = 0x020A, 
     WM_RBUTTONDOWN = 0x0204, 
     WM_RBUTTONUP = 0x0205 
    } 

    [StructLayout(LayoutKind.Sequential)] 
    private struct POINT 
    { 
     public int x; 
     public int y; 
    } 

    [StructLayout(LayoutKind.Sequential)] 
    private struct MSLLHOOKSTRUCT 
    { 
     public POINT pt; 
     public uint mouseData; 
     public uint flags; 
     public uint time; 
     public IntPtr dwExtraInfo; 
    } 

    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)] 
    private static extern IntPtr SetWindowsHookEx(int idHook, 
     LowLevelMouseProc lpfn, IntPtr hMod, uint dwThreadId); 

    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)] 
    [return: MarshalAs(UnmanagedType.Bool)] 
    private static extern bool UnhookWindowsHookEx(IntPtr hhk); 

    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)] 
    private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, 
     IntPtr wParam, IntPtr lParam); 

    [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)] 
    private static extern IntPtr GetModuleHandle(string lpModuleName); 
}