I\'ve been using the RelayCommand a bit here and there, and it got me to wonder and want to know... when exactly does the CommandManager.InvalidateRequerySuggested() get called by WPF?
What are the performance implications of us开发者_Python百科ing the CanExecuteCommand of the ICommand object. Is the method executed over and over again?
Both ICommand objects are bound to a ViewModel. The first approach seems to be used often. But the second one saves some lines of code but would it not create everytime a new ICommand object when th
Most MVVM frameworks implement basic Command pat开发者_如何学Pythontern (for example DelegateCommand in PRISM), that uses Execute and CanExecute methods from ViewModel.
When using ICommands in XAML, WPF uses the CanExecute method to enable or disable controlsassociated with the command. But what if I am calling Execute from procedural code? Should I first check CanEx
I am following Josh Smith\'s Design explaining WPF + MVVM. I almost have the same requirement 开发者_如何学运维as his demo application. I have to assign the Save command from his CustomerViewModel cla
Learning MVVM\\WPF\\C# by building a simple master\\details app. I have a MainView which holds the MasterView, DetailView, and ControlsView. I have added buttons (ICommand) to all views. They all work
I am trying to trigger an event from a Button that will be caught in a different class without having this class as an instance in my class. Can I do that?
I have a closecommand defined inside my viewmodel for my dialo开发者_StackOverflowg window.I have another command defined inside that viewmodel.Now I have that command binded to a control in my view.A
Icommand contains two methods and one event. What the two methods do is clear, but I can’t understand what the event does that is provided in ICommand.
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