WPF PasswordBox TextBox控件 光标移到最后

参考：

wpf passwordbox控件 光标移到最后

WPF学习笔记-TextBox光标位置如何放到最后？

PasswordBox

/// <summary>
/// 设置光标位置
/// </summary>
/// <param name="passwordBox"></param>
/// <param name="start">光标开始位置</param>
/// <param name="length">选中长度</param>
private void SetSelection(PasswordBox passwordBox, int start, int length)
{
    passwordBox.GetType()
               .GetMethod("Select", BindingFlags.Instance | BindingFlags.NonPublic)
               .Invoke(passwordBox, new object[] { start, length });
}

TextBox

TextBox.SelectionStart = TextBox.Text.Length;