| uses ShellApi;
 ...
 ShellExecute(Handle, 'open',
 'c:\Windows\notepad.exe', nil, nil, SW_SHOWNORMAL);
 
 ShellExecute(Handle,'open',
 'c:\windows\notepad.exe','c:\SomeText.txt',
 nil, SW_SHOWNORMAL);
 
 ShellExecute(Handle,'open',
 'c:\DelphiDownload',
 nil, nil, SW_SHOWNORMAL);
 
 ShellExecute(Handle, 'open',
 'c:\MyDocuments\Letter.doc',nil,nil,SW_SHOWNORMAL);
 
 ShellExecute(Handle, 'open',
 'http://delphi.about.com',nil,nil, SW_SHOWNORMAL);
 
 var em_subject, em_body, em_mail : string;
 begin
 em_subject := 'This is the subject line';
 em_body := 'Message body text goes here';
 
 em_mail := 'mailto:delphi.guide@about.com?subject=' +
 em_subject + '&body=' + em_body ;
 
 ShellExecute(Handle,'open',
 PChar(em_mail), nil, nil, SW_SHOWNORMAL);
 end;
 
 
 // Execute the Windows Calculator and pop up
 // a message when the Calc is terminated.
 uses ShellApi;
 ...
 var
 SEInfo: TShellExecuteInfo;
 ExitCode: DWORD;
 ExecuteFile, ParamString, StartInString: string;
 begin
 ExecuteFile:='c:\Windows\Calc.exe';
 
 FillChar(SEInfo, SizeOf(SEInfo), 0);
 SEInfo.cbSize := SizeOf(TShellExecuteInfo);
 with SEInfo do begin
 fMask := SEE_MASK_NOCLOSEPROCESS;
 Wnd := Application.Handle;
 lpFile := PChar(ExecuteFile);
 {
 ParamString can contain the
 application parameters.
 }
 // lpParameters := PChar(ParamString);
 {
 StartInString specifies the
 name of the working directory.
 If ommited, the current directory is used.
 }
 //  lpDirectory := PChar(StartInString);
 nShow := SW_SHOWNORMAL;
 end;
 if ShellExecuteEx(@SEInfo) then begin
 repeat
 Application.ProcessMessages;
 GetExitCodeProcess(SEInfo.hProcess, ExitCode);
 until (ExitCode <> STILL_ACTIVE) or
 Application.Terminated;
 ShowMessage('Calculator terminated');
 end
 else ShowMessage('Error starting Calc!');
 end;
 
 
 
 // run Notepad
 WinExec('c:\windows\NOTEPAD.EXE', SW_SHOWNORMAL);
 
 // run Notepad and display SomeText.txt
 WinExec('c:\windows\NOTEPAD.EXE C:\SomeText.txt',
 SW_SHOWNORMAL);
 
 // execute a DOS DIR command
 WinExec('COMMAND.COM /C DIR *.*', SW_SHOWNORMAL);
 
 
 
 
 |