WebCreating a nullable ComboBox for WPF. I am trying to create a reusable control for WPF which allows the user to select a null option in addition to all the items in the ItemsSource binding. In addition, I want to be able to have a dependency property on the control which sets the text to display for the null option. WebJan 27, 2024 · >>How can I pass parameter to my ValidationRule object ? By adding a property to it and set the value of this one. But if you want to be able to bind something to your Format property it must be a dependency property.And you can only define dependency properties in classes that derive from DependencyObject but the …
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WebJun 23, 2024 · I have a command.cs, that check if all my input fields are not empty and base on that it is suppose to enable he button. This is the command public class SendDataCommand : ICommand { public PrpertiesWindowViewModel _ViewModel { … WebC# 所选项目组合框未显示正确的ID WPF,c#,wpf,mvvm,caliburn.micro,C#,Wpf,Mvvm,Caliburn.micro,我有一个无法解决的问题 ShellViewModel private IEventAggregator _events; private SimpleContainer _container; public ShellViewModel(IEventAggregator events, SimpleContainer container) { _events = … WebApr 13, 2024 · Magic Johnson has racked up another victory and dished out another big assist in his post-basketball career as a prolific sports team owner. The Hall of Fame point guard and Los Angeles Lakers great is part of the ownership group that reached an agreement in principle Thursday to purchase the NFL's Washington Commanders from … boucherie gautier murigny