The referenced component 'Microsoft.Phone.Controls.Toolkit' could not be found?
问题 The referenced component 'Microsoft.Phone.Controls.Toolkit' could not be found? It's here though? 回答1: It looks like the problem is that you're trying to reference a copy of the Microsoft.Phone.Controls.Toolkit .dll in your Ref folder, but Visual Studio is probably looking for somewhere else. If you open Visual Studio and expand the References folder in the Solution Explorer, you'll probably see that Microsoft.Phone.Controls.Toolkit is listed but marked with a yellow warning icon. Try right