I'm converting my AnsiString to a Pchar with TFileName.lpstrFile:=Pchar(DefaultFileName); But I didn't understand the meaning of TFileName.nMaxFile:=100; I thought it was the maximum number of files to display or something.. not the maximum number of characters in the file name. which it appears to be. So now I have: TFileName.nMaxFile:= Length(DefaultFileName)+1; TFileName.lpstrFile:=Pchar(DefaultFileName); I need the +1 for the #0 at the end of the Pchar, and now it works fine, and I can have strings as long as they need to be. Thank you for the help! James
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