为其他程序切换键盘布局

本文关键字：键盘 布局 其他 程序 | 更新日期: 2023-09-27 18:12:07

我写的程序应该改变程序的布局，这是焦点。我有一个获取当前键盘布局ID的代码:

const int KL_NAMELENGTH = 9;
    const uint KLF_ACTIVATE = 1;
    [DllImport("user32.dll")]
    public static extern long LoadKeyboardLayout(string pwszKLID, uint Flags);
    [DllImport("user32.dll")]
    public static extern long GetKeyboardLayoutName(System.Text.StringBuilder pwszKLID);
    public static string getKLName()
    {
        System.Text.StringBuilder name = new System.Text.StringBuilder(KL_NAMELENGTH);
        GetKeyboardLayoutName(name);
        return name.ToString();
    }
例如

:En - "00000409"德——"00000407"FR -"0000040 c "

还有下面的代码:

[DllImport("user32.dll")]
public static extern IntPtr GetForegroundWindow();
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool PostMessage(IntPtr hWnd, int Msg, int wParam, int lParam);    
 private void ChangeLang(String code)
 {
   PostMessage(GetForegroundWindow(), 0x0050, 2, 0);
 }
现在，调用函数ChangeLang，程序将当前语言切换到下一种语言。但我需要它的功能ChangeLang传递的消息给其他程序，在什么布局开关(使用代码布局)。这怎么可能做到呢?

为其他程序切换键盘布局

[DllImport("user32.dll")]
private static extern bool PostMessage(IntPtr hhwnd, uint msg, IntPtr wparam, IntPtr lparam);
[DllImport("user32.dll")]
private static extern IntPtr LoadKeyboardLayout(string pwszKLID, uint Flags);
[DllImport("user32.dll")]
public static extern IntPtr GetForegroundWindow();
private const uint WM_INPUTLANGCHANGEREQUEST = 0x0050;
private const uint KLF_ACTIVATE = 1;
private const string en_US = "00000409";
private static void ChangeLanguage(string code)
{
    PostMessage(GetForegroundWindow(), WM_INPUTLANGCHANGEREQUEST, IntPtr.Zero, LoadKeyboardLayout(code, KLF_ACTIVATE));
}
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