我对开发开源密码管理器Keepass的插件很感兴趣。目前,Keepass可以根据窗口标题来检测要为您复制/粘贴的密码。这可以防止Keepass检测到你需要的当前密码,用于那些没有根据当前站点主动更新窗口标题的应用程序(例如Chrome)。
如何遍历另一个类似于Spy++工作方式的进程窗口元素(按钮、标签、文本框)?当您运行Spy++时,您可以将鼠标悬停在其他程序窗口上,并获取有关各种控件(标签、文本框等)的各种属性的各种信息。理想情况下,我希望我的Keepass插件能够通过遍历活动窗口的元素来增强当前窗口的检测,从而努力找到一个匹配的帐户来复制/粘贴密码。
如何遍历其他进程窗口元素并能够使用C#检索标签和文本框值?
发布于 2009-12-28 10:07:38
我在这里回答了类似的问题:How can I detect if a thread has windows handles?。正如它所述,其主要思想是使用EnumWindows和EnumChildWindows调用枚举进程窗口及其子窗口以获取窗口句柄,然后使用WM_GETTEXT调用GetWindowText或SendDlgItemMessage以获取窗口文本。我已经修改了代码来制作一个示例,它应该可以做你需要的事情(对不起,它有点长:)。它遍历进程及其窗口,并将窗口文本转储到控制台中。
static void Main(string[] args)
{
foreach (Process procesInfo in Process.GetProcesses())
{
Console.WriteLine("process {0} {1:x}", procesInfo.ProcessName, procesInfo.Id);
foreach (ProcessThread threadInfo in procesInfo.Threads)
{
// uncomment to dump thread handles
//Console.WriteLine("\tthread {0:x}", threadInfo.Id);
IntPtr[] windows = GetWindowHandlesForThread(threadInfo.Id);
if (windows != null && windows.Length > 0)
foreach (IntPtr hWnd in windows)
Console.WriteLine("\twindow {0:x} text:{1} caption:{2}",
hWnd.ToInt32(), GetText(hWnd), GetEditText(hWnd));
}
}
Console.ReadLine();
}
private static IntPtr[] GetWindowHandlesForThread(int threadHandle)
{
_results.Clear();
EnumWindows(WindowEnum, threadHandle);
return _results.ToArray();
}
// enum windows
private delegate int EnumWindowsProc(IntPtr hwnd, int lParam);
[DllImport("user32.Dll")]
private static extern int EnumWindows(EnumWindowsProc x, int y);
[DllImport("user32")]
private static extern bool EnumChildWindows(IntPtr window, EnumWindowsProc callback, int lParam);
[DllImport("user32.dll")]
public static extern int GetWindowThreadProcessId(IntPtr handle, out int processId);
private static List<IntPtr> _results = new List<IntPtr>();
private static int WindowEnum(IntPtr hWnd, int lParam)
{
int processID = 0;
int threadID = GetWindowThreadProcessId(hWnd, out processID);
if (threadID == lParam)
{
_results.Add(hWnd);
EnumChildWindows(hWnd, WindowEnum, threadID);
}
return 1;
}
// get window text
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
static extern int GetWindowTextLength(IntPtr hWnd);
private static string GetText(IntPtr hWnd)
{
int length = GetWindowTextLength(hWnd);
StringBuilder sb = new StringBuilder(length + 1);
GetWindowText(hWnd, sb, sb.Capacity);
return sb.ToString();
}
// get richedit text
public const int GWL_ID = -12;
public const int WM_GETTEXT = 0x000D;
[DllImport("User32.dll")]
public static extern int GetWindowLong(IntPtr hWnd, int index);
[DllImport("User32.dll")]
public static extern IntPtr SendDlgItemMessage(IntPtr hWnd, int IDDlgItem, int uMsg, int nMaxCount, StringBuilder lpString);
[DllImport("User32.dll")]
public static extern IntPtr GetParent(IntPtr hWnd);
private static StringBuilder GetEditText(IntPtr hWnd)
{
Int32 dwID = GetWindowLong(hWnd, GWL_ID);
IntPtr hWndParent = GetParent(hWnd);
StringBuilder title = new StringBuilder(128);
SendDlgItemMessage(hWndParent, dwID, WM_GETTEXT, 128, title);
return title;
}希望这能有所帮助,致敬
发布于 2009-12-28 09:42:53
看看这篇文章here,它包含了关于托管间谍的信息以及作者为什么要写这个工具。
发布于 2016-01-12 14:20:26
https://stackoverflow.com/questions/1967604
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