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extToolkit tag does not work in XAML file

May 10, 2011 at 12:58 AM
Edited May 10, 2011 at 1:01 AM

Hi, All:

Today I downloaded WPF Toolkit 1.4. I referenced it in my project and make new xmlns

 

xmlns:extToolkit

=http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit/extended

I have tried some controls. It did compile successfully and worked. However the XAML file always complained "The type extToolkit:ColorPicker not found. Verify that you are not missing an assembly ......" and the design view comes up error saying "Problem Loading".

I am using VS 2010.

How can I solve this problem? Can anyone help?

Thanks,

Dennis Huang

May 10, 2011 at 1:37 AM

Chances are that your OS is blocking the assembly.  Right click the assembly and select properties. Then it will probably say something about the assembly being downloaded from web or some other message.  Just click the Unblock button.  You should be good.

May 10, 2011 at 1:42 AM

Yes! Thank you very much!