Sunday, March 09, 2008

Quick Silverlight tip: How to make ToolTip works in beta 1

If you paid attention, there is neither ToolTip  nor ToolTipService control in MSDN library, however, you can see it via intellisense in Visual Studio. If you'll try to use it, you'll get AG_E_PARSER_PROPERTY_NOT_FOUND XamlParser exception. The reason is, that ToolTip as well as ToolTip service come from extended controls set. Thus in order to use it, you'll have to make explicit reference to the dll.  So, following will work

<UserControl x:Class="FloraRIA.Page"


                   <ToolTip Content="Hello world!"/>

Happy coding

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