I have developed a WPF usercontrol. I want to have it in the toolbox when I use the project or dll as a reference in another project. Previously with Windows Forms library. There was an attribute ToolBoxItemAttribute which whenever it is added to a control, the control will be added in to the toolbox, automatically. I googled and found another attribute for WPF which is ToolboxBrowsableAttribute, but it had no effect. I wish to know how can I solve this problem.

I should note that I do not want to add the control manually by "Choose Items ..." or toolbox's context menu. I want it be built based on the project references.

Hi @MReza J

The feature you are requesting (automatic population of the toolbox with UserControls that are referenced in your solution) is not available for WPF or Silverlight projects in Visual Studio 2008. Only choose Items or Installer-based means of getting items onto the Toolbox are supported.

It is, however, supported in the new Visual Studio 2010 WPF and Silverlight Designer, which is currently available in Beta 1 form.
http://www.microsoft.com/visualstudio/en-us/try/default.mspx#visual-studio-2010-beta

You can sign up to be notified when the next beta of Visual Studio 2010 ships at this site:
http://www.microsoft.com/visualstudio/en-us/products/2010/default.mspx

Thanks
Mark

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Mark Wilson-Thomas - Program Team - WPF & SL Designer for Visual Studio - posts are provided 'as-is'