C#获取进程的主窗口句柄
通过调用Win32 API实现。
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")]
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