How can I build a string resource from other string resources in WPF? -

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here's 'sample code', including i'm trying do. obviously, doesn't work @ moment, there way can make work?

<resourcedictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     xmlns:system="clr-namespace:system;assembly=mscorlib"     >     <system:string x:key="productname">foo</system:string>     <system:string x:key="windowtitle">{productname} + main window</system:string> </resourcedictionary>

the way add computed string resourcedictionary in way create markupextension. markupextension used this:

<resourcedictionary ...>   <sys:string x:key="productname">foo</sys:string>   <local:mystringformatter     x:key="windowtitle"     stringformat="{0} main window"     arg1="{staticresource productname}" /> </resourcedictionary>

this assumes have created markupextension subclass in "local" namespace named mystringformatterextension has properties named "stringformat", "arg1", "arg2", etc, , has providevalue() method obvious.

note aran points out, binding using stringformatter more common way achieve same effect, , better design. tradeoff not allow result used part of resourcedictionary.


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