同一个软件多开了，findwindow怎么找每个窗口句柄？

[yaoyouyou]

一台电脑里面同时多开了5个旺旺，怎么样找到这5个主窗的句柄。

[qqzeng-ip]

public class User32API
{
    private static Hashtable processWnd = null;

    public delegate bool WNDENUMPROC(IntPtr hwnd, uint lParam);

    static User32API()
    {
        if (processWnd == null)
        {
            processWnd = new Hashtable();
        }
    }

    [DllImport("user32.dll", EntryPoint = "EnumWindows", SetLastError = true)]
    public static extern bool EnumWindows(WNDENUMPROC lpEnumFunc, uint lParam);

    [DllImport("user32.dll", EntryPoint = "GetParent", SetLastError = true)]
    public static extern IntPtr GetParent(IntPtr hWnd);

    [DllImport("user32.dll", EntryPoint = "GetWindowThreadProcessId")]
    public static extern uint GetWindowThreadProcessId(IntPtr hWnd, ref uint lpdwProcessId);

    [DllImport("user32.dll", EntryPoint = "IsWindow")]
    public static extern bool IsWindow(IntPtr hWnd);

    [DllImport("kernel32.dll", EntryPoint = "SetLastError")]
    public static extern void SetLastError(uint dwErrCode);

    public static IntPtr GetCurrentWindowHandle()
    {
        IntPtr ptrWnd = IntPtr.Zero;
        uint uiPid = (uint)Process.GetCurrentProcess().Id;  // 当前进程 ID
        object objWnd = processWnd[uiPid];

        if (objWnd != null)
        {
            ptrWnd = (IntPtr)objWnd;
            if (ptrWnd != IntPtr.Zero && IsWindow(ptrWnd))  // 从缓存中获取句柄
            {
                return ptrWnd;
            }
            else
            {
                ptrWnd = IntPtr.Zero;
            }
        }

        bool bResult = EnumWindows(new WNDENUMPROC(EnumWindowsProc), uiPid);
        // 枚举窗口返回 false 并且没有错误号时表明获取成功
        if (!bResult && Marshal.GetLastWin32Error() == 0)
        {
            objWnd = processWnd[uiPid];
            if (objWnd != null)
            {
                ptrWnd = (IntPtr)objWnd;
            }
        }

        return ptrWnd;
    }

    private static bool EnumWindowsProc(IntPtr hwnd, uint lParam)
    {
        uint uiPid = 0;

        if (GetParent(hwnd) == IntPtr.Zero)
        {
            GetWindowThreadProcessId(hwnd, ref uiPid);
            if (uiPid == lParam)    // 找到进程对应的主窗口句柄
            {
                processWnd[uiPid] = hwnd;   // 把句柄缓存起来
                SetLastError(0);    // 设置无错误
                return false;   // 返回 false 以终止枚举窗口
            }
        }

        return true;
    }
}

[wuyq11]

public class EnumWindowsApp
{
[DllImport("user32")]
public static extern int EnumWindows(CallBack x, int y);
public static void Main()
{
CallBack myCallBack = new CallBack(EnumWindowsApp.A);
EnumWindows(myCallBack, 0);
}
public static bool A(int hwnd, int lParam)
{
Console.Write("Window handle is :");
Console.WriteLine(hwnd);
return true;
}
}
http://topic.csdn.net/u/20091112/21/318e7060-ee1e-42bc-8fde-e2b19e45bb48.html?14174