Using default File Symbols in C# [duplicate]

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I want that a user can enter a filename and it shows him the "symbol" of the file.... like those ones:

I know that I could extract them out of their dlls and add them to my project, but I think there could be a solution which grabs them out of windows... I would like to have a very simple implementation, because it'll be part of a school project and the examiners hate importing DLLs, it would be "unsafe", so , a function which is supported by C#'s default stuff would be very nice for me.