private void ChildWindow_Loaded(object sender, RoutedEventArgs e)
        {
            CurrentSetupState           = SetupState.Default;
            LocalInstallTesting.Version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();

            long   size   = LocalInstallTesting.GetHardDiskFreeSpace(InstallPath.Substring(0, 1));
            double gbSize = Convert.ToDouble(Convert.ToDouble(size) / 1024 / 1024 / 1024);

            if (gbSize >= 10)
            {
                ColorDisk = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#FF888888"));
                DiskSize  = InstallPath.Substring(0, 1).ToUpper() + "盘可用空间:" + gbSize.ToString("f2") + "G";
            }
            else
            {
                ColorDisk = new SolidColorBrush(Colors.Red);
                DiskSize  = InstallPath.Substring(0, 1).ToUpper() + "盘可用空间:" + gbSize.ToString("f2") + "G(尽量选择剩余空间10G以上的盘符)";
            }
        }
        private void btnSelectFolder_Click(object sender, RoutedEventArgs e)
        {
            System.Windows.Forms.FolderBrowserDialog dialog = new System.Windows.Forms.FolderBrowserDialog();
            dialog.SelectedPath = InstallPath;
            var    result       = dialog.ShowDialog();
            string selectedPath = "";

            if (dialog.SelectedPath.EndsWith("\\"))
            {
                selectedPath = dialog.SelectedPath.Substring(dialog.SelectedPath.Length - 3, 2);
            }
            else
            {
                selectedPath = dialog.SelectedPath;
            }
            if (result == System.Windows.Forms.DialogResult.OK)
            {
                if (!selectedPath.Contains("MusicTeachingWindow"))
                {
                    InstallPath = selectedPath + @"\MusicTeachingWindow";
                }
            }
            else
            {
                InstallPath = selectedPath;
            }

            long   size   = LocalInstallTesting.GetHardDiskFreeSpace(InstallPath.Substring(0, 1));
            double gbSize = Convert.ToDouble(Convert.ToDouble(size) / 1024 / 1024 / 1024);

            if (gbSize >= 10)
            {
                ColorDisk = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#FF888888"));
                DiskSize  = InstallPath.Substring(0, 1).ToUpper() + "盘可用空间:" + gbSize.ToString("f2") + "G";
            }
            else
            {
                ColorDisk = new SolidColorBrush(Colors.Red);
                DiskSize  = InstallPath.Substring(0, 1).ToUpper() + "盘可用空间:" + gbSize.ToString("f2") + "G(尽量选择剩余空间10G以上的盘符)";
            }
        }