Example (in Delphi): ===============cur.dpr=============== program cur; {$APPTYPE CONSOLE} const FileName='file.cur'; Len=6; Buf=#$00#$00#$01#$00#$00#$00; var F:File; begin AssignFile(F,FileName); Rewrite(F,1); BlockWrite(F,Buf,Len); CloseFile(F); end. ===============cur.dpr=============== 1) Compile and Run "cur.dpr" with Delphi 2) Open "file.cur" with InfanView