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Add an icon to WPF contextmenu from resources in code behind

Posted on 2011-09-28
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Last Modified: 2013-11-12
How can I add an icon to a WPF contextmenu from the application resources in code behind?

The resource can be either an icon or png, whichever is easiest.
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Question by:CatsSolutions
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theHollow earned 1500 total points
ID: 36719739
Hi
You may approach this by adding a property in your CodeBehind or ViewModel.
I recommend using a ViewModel (using the MVVM pattern) because it may (in my opinion) reduce code and improve scalability.
But you can also make this in your VodeBehind.

First of all, you will need to implement the "INotifyPropertyChanged".

Then add some properties:
public String MenuItemHeader
{
    get { return (String)GetValue(MenuItemHeaderProperty); }
    set
    {
        SetValue(MenuItemHeaderProperty, value);
        NotifyPropertyChanged("MenuItemHeader");
    }
}

public String MenuItemIcon
{
    get { return (String)GetValue(MenuItemIconProperty); }
    set
    {
        SetValue(MenuItemIconProperty, value);
        NotifyPropertyChanged("MenuItemIcon");
    }
}

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And some dependency properties for the properties:
public static readonly DependencyProperty MenuItemHeaderProperty = DependencyProperty.Register("MenuItemHeader", typeof(String), typeof(MyClassName), new PropertyMetadata(null));
public static readonly DependencyProperty MenuItemIconProperty = DependencyProperty.Register("MenuItemIcon", typeof(String), typeof(MyClassName), new PropertyMetadata(null));

Open in new window


The ContextMenu on your control may look like this:
<SomeControl.ContextMenu>
    <ContextMenu>
        <MenuItem Header="{Binding MenuItemHeader}"
                  Icon="{Binding MenuItemImage}"/>
    </ContextMenu>
</SomeControl.ContextMenu>

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Then you can set this code to set the ContextMenu text and icon:
MenuItemHeader = "This is the contextmenu text";
MenuItemIcon = "/MyWpfApplication;component/Images/save.png";

Open in new window


But there are many ways.
You amy also place "x:Name="SomeControl"" on the controls and add it "the old way" :-)
That's up to you to decide.

Hope it helps :-)
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Author Closing Comment

by:CatsSolutions
ID: 36813849
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