Winform programs invoke wpf window

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C#

WPF

My program is a winform-based program, which will embed the function of math equation edit; I download an open source math edit program, which was written by WPF. So I must use a WPF window in a winform-based program.I set the WPF program as a class library, and refer it in a test project, but the program can’t run.When the program runs,it throws exception,the innerException is "Cannot find resource named ‘ToolbarButtonStyle’,Resource names are case sensitive".I’m new in WPF,and don’t know how to fix the problem.

the wpf program url that i want to use is OOP in the Real World - Creating an Equation Editor[^]

can anyone give me a sample using this wpf window in winform program?

What I have tried:

I create a sample winform project ,and refer the wpf class library,but it still throw the same exception