/// <summary>
/// 注册对话框元素与ViewModel，注册后可调用CloseByViewModel通过ViewModel关闭所在窗口
/// </summary>
/// <param name="content"></param>
/// <param name="viewModel"></param>
public static void RegisterClosingByViewModel(UIElement content, object viewModel)
{
if (viewModel == null || content == null)
{
throw new ArgumentNullException();
}
ViewModelViewDict.Add(viewModel, content);
}
/// <summary>
/// 通过已注册的ViewModel关闭关联的ui所在对话框
/// </summary>
/// <param name="viewModel"></param>
public static void CloseByViewModel(object viewModel)
{
if (ViewModelViewDict.ContainsKey(viewModel))
{
var window = Window.GetWindow(ViewModelViewDict[viewModel]);
if (window != null)
{
window.Close();
}
if (window?.IsActive != true)
{
if (window.Owner != null)
{
window.Owner.Activate();
}
ViewModelViewDict.Remove(viewModel);
}
}
}
