How to enable/disable comboBox items for different comboBoxes in wpf by click on one item using MVVM pattern and 1 ObservableCollection for all comboBoxes items? How to ensure dock panel always shows its vertical scrollbar How to enter a value into datagrid cell in wpf through manually? How...
界面:WPF(MVVM)中将集合类控件ItemsControl的ItemsSource绑定到了ViewModel中的ObservableCollection列表,ItemsControl.ItemTemplate模板中是一个Image图片控件。 问题:当数据层发生改变,例如列表新增一个元素后,若之后执行的代码想要立即获取到新增图片Image,会发现此时的UI层还未同步更新,不能获取新增的Image控件。即WPF的这种U...
How to enable/disable comboBox items for different comboBoxes in wpf by click on one item using MVVM pattern and 1 ObservableCollection for all comboBoxes items? How to ensure dock panel always shows its vertical scrollbar How to enter a value into datagrid cell in wpf through manually? How...
ICollectionView 接口的简易使用方法 它的 SortDescriptions、GroupDescription 等属性会影响视图的结构，一般...
protected async override void GetData() { ThrobberVisible = Visibility.Visible; ObservableCollection<CustomerVM> _customers = new ObservableCollection<CustomerVM>(); var customers = await (from c in db.Customers orderby c.CustomerName select c).ToListAsync(); // await Task.Delay(9000); f...
x:Reference 是 XAML 2009 中引入的功能,也算是比较早的功能了;ElementName 是 XAML 一开始出现便开始有的功能。二者在使用时在感觉上是比较相似的,但多数情况下都更有优势。 本文将解释 x:Reference。 典型的使用x:Reference的例子是: 代码语言:javascript ...
For the SingleDate mode, the SelectedDate property (of type nullable DateTime) indicates the selection; otherwise, the SelectedDates property is of type SelectedDatesCollection, which derives from ObservableCollection of type DateTime. The BlackoutDates property lets you inhibit selection of various ...
publicclassMainViewModel:ViewModelBase{privateObservableCollection<Employee>_data;publicObservableCollection<Employee>Data{get=>_data;set{if(_data==value)return;_data=value;this.RaisePropertyChanged();}}} C# Let’s use this model and bind theItemsSourceproperty of the RadGridView. It is of typeIEnumer...
For the SingleDate mode, the SelectedDate property (of type nullable DateTime) indicates the selection; otherwise, the SelectedDates property is of type SelectedDatesCollection, which derives from ObservableCollection of type DateTime. The BlackoutDates property lets you inhibit selection of various ...
public EmployeesDetailsPresentationModel() { EmployeeDetails = new ObservableCollection(); EmployeeDetails.Insert(0, new HeaderedEmployeeData()); EmployeeDetails.Insert(1, new EmployeeAddressMapUrl()); ... } Figure 9 Creating an EmployeeDetailsView XML Copy <ResourceDictionary xmlns="https://schem...