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The System.Runtime.InteropServices namespace defines classes where some of which define methods that enable managed code to call native code. This is accomplished via an internal call and is called the Platform Invoke service
When working with console applications in C#, you always see a black and white screen. What if we want to change the background color of the console? We can change the foreground and background color of our console application by using win32 API SetConsoleTextAttribute().
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