Loading image in .NET

I wan’t to open the photo app and load an image in it but i don’t know how i already tried Process.Start(my path here); but it didn’t work because it wasn’t an exe. What should i do?

ProcessStartInfo startInfo = new ProcessStartInfo("C:\\image.png");
startInfo.Verb="edit";
Process.Start(startInfo);

Or this should work according to others (it probably needs the FULL-PATH):

Process.Start(@"C:\\image.png");
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