KeyCommand disabled MenuItem

KeyCommand disabled MenuItem

By : Sir Smiles
Date : November 22 2020, 12:01 PM
Hope this helps You need to attach some CommandBinding for that command otherwise it will be disabled
code :

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Why is this WPF RoutedCommand bound Context MenuItem disabled?

Why is this WPF RoutedCommand bound Context MenuItem disabled?

By : 迷路的猫少年
Date : March 29 2020, 07:55 AM
wish helps you here is the general pattern that I use....
first, keep your commands in thier own static class, this promotes reuse,etc....
code :
public static class MyCommands
    public static RoutedUICommand CmdFoo = new RoutedUICommand("CmdFoo", 
public MyControl
    public MyControl()
            new CommandBinding( MyCommands.CmdFoo,   // this is the command object
                                XCutFooCommand,      // execute
                                CanXCuteFooCommand));// can execute?
  public void CanExecuteRerollCommand(object sender, CanExecuteRoutedEventArgs e)
        e.CanExecute = true;  // can this command be executed?
        e.Handled = true;     // has this event been handled?
    public void ExecuteRerollCommand(object sender, ExecutedRoutedEventArgs e)
    // do stuff
            <CommandBinding Command="foo:MyCommands.CmdFoo" 
                            Executed="ExecuteRerollCommand" />
        <MenuItem Header="Reroll"  Command="foo:MyCommands.CmdFoo"/>
dijit/MenuItem disabled but not grayed out automatically

dijit/MenuItem disabled but not grayed out automatically

By : CrescentMoon
Date : March 29 2020, 07:55 AM
around this issue I used dijit/MenuItem in a popup menu for the JS Canvas object. When user right click the Canvas, I want to show the menu and disable some items based on the location that user selected. Hence, I code in the onmousedonw event of the Canvas to disable the item. , Instead of using the property disabled, use the set method instead:
code :
Exit MenuItem Is Forever Disabled

Exit MenuItem Is Forever Disabled

By : Serica Dental Supply
Date : March 29 2020, 07:55 AM
To fix the issue you can do I suspect you haven't set CommandBinding for ApplicationCommands.Close.
In case CommandBinding could not be found, command will always return false from CanExecute method. So, to enable command you have to:
code :
    <CommandBinding Command="ApplicationCommands.Close" 
      <MenuItem Header="E_xit" InputGestureText="Alt+F4" 
private void CommandBinding_Executed(object sender, ExecutedRoutedEventArgs e)


private void CommandBinding_CanExecute(object sender,
                                       CanExecuteRoutedEventArgs e)
   e.CanExecute = true; <-- Set this to true to enable bindings.
MenuItem disabled after turning off the view

MenuItem disabled after turning off the view

By : Dragos Dragoi
Date : March 29 2020, 07:55 AM
How do I get a top-level WPF MenuItem to be disabled when all its children are disabled?

How do I get a top-level WPF MenuItem to be disabled when all its children are disabled?

By : phunk rhocks
Date : March 29 2020, 07:55 AM
To fix this issue I can think of two ways to do this:
1) If you don't mind code behind (I try to avoid it with WPF) you could just create an event handler for IsEnabledChanged that checks if the IsEnabled Property was set to false. If it was you could then do something like
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