How do I get the file name with it's extension?

Question

I have tried this but this only gets the file name not the extension. How do I get file name with extension?

string[] FileList = (string[])e.Data.GetData(DataFormats.FileDrop, false);     
string filename = Path.GetFileNameWithoutExtension(FileList[0]);

Answer 1

Path.GetFileName()

string[] FileList = (string[])e.Data.GetData(DataFormats.FileDrop, false); 
string filename =  Path.GetFileName(FileList[0]);

Check the documentation