/// <summary>
/// 显示指定对话框方法
/// </summary>
/// <param name="dialog"></param>
public void ShowDialog(ModalDialogBase dialog)
{
Dialogs.ForEach(d => d.IsShown = d == dialog);
StateHasChanged();
}
/// <summary>
/// 添加对话窗方法
/// </summary>
/// <param name="dialog"></param>
public void AddDialog(ModalDialogBase dialog)
{
if (!Dialogs.Any()) dialog.IsShown = true;
Dialogs.Add(dialog);
}