通用工业视觉软件设计之项目栏ViewModel之删除项目流程

        <Button
           Height="36"
           FontSize="26"
           Style="{StaticResource ProjectBar_Btn_Style}"
           Content="&#xe8c1;"
            Command="{Binding DeleteProject}"
            CommandParameter="{Binding ElementName=ProListBox}"
             IsEnabled="{Binding AddControlIsEnabled}"
           ></Button>

           this.DeleteProject = new RelayCommand();
           this.DeleteProject.DoExecute = new Action<object>(DeletePrj);
           this.DeleteProject.DoCanExecute = new Func<object, bool>((o) =>
           {
               return true;
           });

删除流程

  /// <summary>
 /// 删除项目
 /// </summary>
 /// <param name="obj"></param>
 public void DeletePrj(object obj)
 {
     try
     {

         // 1.被选中的索引

         ListBox  listBox =  obj as ListBox; 

         if(listBox !=null)
         {
             // 获取被选中索引
             int selectedIndex = listBox.SelectedIndex;
             if(selectedIndex>-1)
             {
                 // 2.系列解决方案类里将项目删除
                 SysProcessSln.g_ProjectList.RemoveAt(selectedIndex);
                 // 3.UI刷新
                 RefreshListBox();
                 listBox.SelectedIndex = selectedIndex - 1;
             }
         }


        

     }
     catch (Exception ex) {

         MessageBox.Show("删除失败！"+ex.Message);
     }
 }