Delphi file manipulation

You can make forlder, remane forlder, delete forlder, checking folder by delphi command

File function in delphi :

• checking file is exist or not :
  
  if FileExists( 'test.xls' )=false then
  showmessage ( "this file is not exist" ) ;
  
  
• checking folder is exist or not :
  
  if directoryexists( xIsFolder ) then
  showmessage ( "this folder is not exist" ) ;
  
  
• Close windows or program :
  
  var
  x6h : hwnd;
  begin
  
  x6h := findwindow(nil,"google - microsoft internet explorer"); // check windows / ie
  if x6h<>0 then postmessage ( x6h,wm_close,1,0); // close windows / ie
  
  end;
  
• Delete file :
  
  sysutils.deletefile ( pchar('coba.xls') ) ;
  
  
• Rename file :
  
  renamefile ( 'c:\temp\test1.XLS', 'c:\temp\test77.XLS' );
  
  
• Openning file :
  
  first add in uses
  uses
  Windows, Messag . . . . . . . . . . . . . . . . . . , Dialogs, StdCtrls,
  shellapi ;
  
  begin
  shellexecute (handle,'open',pchar( 'c:\temp\text44.txt' ),nil,nil,sw_show) ;
  end;

• To know the current drive in delphi :
  
  showmessage ( 'the current drive is ' + GetCurrentDir ) ;

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