Home Forums WPF controls Other WPF controls WPF MessageBox with Windows 10 Theme – InvalidOperationException

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  • Daniel86
    Post count: 2
    #44350 |

    I added the xceed Windows 10 theme to my wpf application. If I now want to open a Xceed Toolkit MessageBox, an error appears: InvalidOperationException on PresentationFramework.dll
    – DependencyProperty.UnsetValue is not a valid value for property foreground.

    Other xceed themes like office 2007 works. What about Xceed Windows 10 theme?

    Fawzi [Xceed]
    Post count: 722


    Are you using the plus or the community edition. If you are using the plus edition, could you send me a simple stand alone sample project which reproduces the issue so that I could have a closer look. You may send it to support@xceed.com

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