private void InitFolderSelect()
 {
     matlab_registry_x64 = GetMatlabRootFromRegistry(Platform.X64);
     APIPanel.SetFolderSelectItems(this.FolderSelect, matlab_registry_x64);
     if (matlab_registry_x64 == null)
     {
         this.FolderSelect.SelectedIndex = -1;
     }
     else
     {
         this.FolderSelect.SelectedIndex = 0;
     }
 }
        private void PlatformRadio_32_CheckedChanged(object sender, EventArgs e)
        {
            RadioButton r = sender as RadioButton;

            if (r.Checked)
            {
                bool had_idx = (this.FolderSelect.SelectedIndex != -1);
                APIPanel.SetFolderSelectItems(this.FolderSelect, matlab_registry_x86);
                if (had_idx)
                {
                    this.FolderSelect.SelectedItem = this.FolderSelect.Items[0];
                }
            }
        }