小编dur*_*ter的帖子

我试图让我的应用程序能够聚焦另一个窗口（在这种情况下为记事本）

我的班级看起来像这样

 public static class Win32WindowUtils {

  public interface User32 extends StdCallLibrary {
        User32 INSTANCE = (User32) Native.loadLibrary("user32", User32.class, W32APIOptions.DEFAULT_OPTIONS);
        HWND GetParent(HWND hWnd);
        HWND FindWindow(String lpClassName, String lpWindowName);
        HWND SetFocus(HWND hWnd);
        HWND FindWindowEx(HWND hwndParent, HWND hwndChildAfter, String lpszClass, String lpszWindow);
        int GetWindowText(HWND hWnd, char[] lpString, int nMaxCount);
    }

    private static final int WIN_TITLE_MAX_SIZE = 512;

    public static HWND GetWindowHandle(String strSearch, String strClass) {
        char[] lpString = new char[WIN_TITLE_MAX_SIZE];
        String strTitle;
        int iFind = -1;
        HWND hWnd = User32.INSTANCE.FindWindow(strClass, null);
        while(hWnd …