Refer to the ThumbButtonInfo class.
<ThumbButtonInfo x:Name="btnUpdate" ImageSource="{StaticResource IconUpdate}" Description="Find updates for the application" IsBackgroundVisible="True"> </ThumbButtonInfo> <ThumbButtonInfo x:Name="btnClient" ImageSource="{StaticResource IconClient}" Description="Search Clients" IsBackgroundVisible="True"> </ThumbButtonInfo> <ThumbButtonInfo x:Name="btnInvoice" ImageSource="{StaticResource IconInvoice}" Description="Search Invoices" IsBackgroundVisible="True"> </ThumbButtonInfo>
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