C# WPF static resource containing other static resources

Question

I've just started learning WPF but I can't seem to figure out how to combine two or more string static resources in XAML. I have two static resources, UntitledFileName ("Untitled") and ApplicationName ("SomeAppName"). The third resource, DefaultWindowTitle, should be composed of the aforementioned resources, and should contain the value "Untitled - SomeAppName". How should I specify the two static resources when defining DefaultWindowTitle?

<sys:String x:Key="UntitledFileName">Untitled</sys:String>
<sys:String x:Key="ApplicationName">SomeAppName</sys:String>
<sys:String x:Key="DefaultWindowTitle">...</sys:String>

No way. XAML is a declarative language, not an algorithmic one. You can convert both strings to one by setting the DependencyProperty to MultiBining using StringFormat. — EldHasp
– EldHasp, Commented Dec 3, 2022 at 14:42
I would suggest two runs in a textblock. Text of each run set to a staticresource and hence appear concatenated in one textblock. A textblock is the closest equivalent to a label in other tech. — Andy
– Andy, Commented Dec 3, 2022 at 15:30
I was planning to use "DefaultWindowTitle" as the window's title. — Vlad
– Vlad, Commented Dec 4, 2022 at 10:39

EldHasp · Accepted Answer · 2022-12-04 13:26:28Z

0

I was planning to use "DefaultWindowTitle" as the window's title.

Perhaps this implementation will suit you:

<Window.Title>
    <MultiBinding StringFormat="{}{0} - {1}">
        <Binding Source="{StaticResource UntitledFileName}"/>
        <Binding Source="{StaticResource ApplicationName}"/>
    <MultiBinding>
</Window.Title>

answered Dec 4, 2022 at 13:26

EldHasp

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