About the sample, please follow the rules here:
Building the sample
To download and run the sample, follow these steps:
Download and unzip the sample.
In Visual Studio (2019 or later):
On the menu bar, choose File > Open > Project/Solution.
Navigate to the folder that holds the unzipped sample code, and open the c# project (.csproj) file.
Reproduce your quesions with ScreenToGif is your choice.
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