delegatecommand

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In WPF/Prism, what happens with a CompositeCommand when a DelegateCommand.RaiseCanExecuteChanged is fired?

Say that I have a CompositeCommand with a lot of DelegateCommands registered. If one of the child DelegateCommands fires up RaiseCanExecuteChanged, this will result in firing the event CompositeC开发[详细]

2023-01-27 04:00 分类：问答
When does the ui detach from commands?

I\'m really scratching my head with this one. I have a mainwindow which opens a dialog. After the dialog closes, the CanExecute method on commands bound in the dialog are still executing. This is caus[详细]

2023-01-24 00:04 分类：问答
In which namespace is the DelegateCommand in?

I am trying to work out an example from ".NET Domain Driven Design with C#", which contains a code example where you can see declared some attributes of type DelegateCommand.[详细]

2023-01-08 13:32 分类：问答
Simplifying RelayCommand/DelegateCommand in WPF MVVM ViewModels

If you\'re doing MVVM 开发者_Go百科and using commands, you\'ll often see ICommand properties on the ViewModel that are backed by private RelayCommand or DelegateCommand fields, like this example from[详细]

2023-01-04 11:07 分类：问答
Memory leak in WPF app due to DelegateCommand

I just finished desktop apps written in WPF and c# using MVVM pattern. In this app I used Delegate Command implementation to wrap the ICommands properties exposed in my ModelView. The problem is these[详细]

2023-01-03 07:18 分类：问答
How can you unit test a DelegateCommand

I am trying to un开发者_高级运维it test my ViewModel and my SaveItem(save, CanSave) delegate command.I want to ensure that CanSave is called and returns the correct value given certain conditions.Basi[详细]

2022-12-30 13:37 分类：问答
DelegateCommand vs RoutedCommand and gestures - WPF

is there anyway for DelegateCommand\'s to support gestures when building a composite WPF app?I\'m trying to create a command used by a MenuItem and also a Button, which can be accessed through a keybo[详细]

2022-12-20 13:03 分类：问答
Attach commands to TreeView in wpf using prism

How do I use a DelegateCommand in a TreeView to get the Expanded event? Should I be using the DelegateCommand or is there another wa开发者_如何学运维y?[详细]

2022-12-13 20:48 分类：问答
WPF ToggleButton and DelegateCommand

Is there a way to determine if a ToggleButton is Checked/Unchecked via DelegateCommands? TIA, mike XAML code below.I\'m using ItemsControl and binding to a collection.I\'m basically wanting a way to[详细]

2022-12-12 18:02 分类：问答
WPF CommandParameter binding and canExecute

I have a template for treeView item: <HierarchicalDataTemplate x:Key=\"RatesTemplate\"> <StackPanel Orientation=\"Horizontal\">[详细]

2022-12-11 21:30 分类：问答