Using StaticResource and x:Static in code behind

Question

<Button Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" BorderThickness="0" ... />

Trying to create such button in code behind:

var button = new Button
{
    Style = (Style)Application.Current.FindResource("ToolBar.ButtonStyleKey"), // wrong
    BorderThickness = new Thickness(0),
    ...
};

Will throw:

An exception of type 'System.Windows.ResourceReferenceKeyNotFoundException' occurred in WindowsBase.dll but was not handled in user code

Additional information: 'ToolBar.ButtonStyleKey' resource not found.

Brannon · Accepted Answer · 2017-07-21 14:28:13Z

1

According to your working code, it should look like this:

Style = (Style)Application.Current.FindResource(ToolBar.ButtonStyleKey)

In other words, ditch the quotes. ButtonStyleKey is not the name, that's the static property that returns a string with the right name.

answered Jul 21, 2017 at 14:28

Brannon

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