/// <summary>
/// 创建视图二
/// </summary>
private void CreateSecondView(object obj)
{
var model = new SecondViewModel();
WorkspaceMulti.Add(model);
ShowCurrentView(model);
}
/// <summary>
/// 显示视图二命令
/// </summary>
private void ShowSecondView(object obj)
{
if (_workspaceStory == null)
{
_workspaceStory = new ObservableCollection <WorkspaceViewModel>();
}
var model =
this._workspaceStory.FirstOrDefault(vm => vm is SecondViewModel)
as SecondViewModel;
if (model == null)
{
model = new SecondViewModel();
_workspaceStory.Add(model);
}
WorkspaceSingle = model;
}