TProcess

type TProcess = class(TComponent)

protected

  FRunning: Boolean;

  FExitCode: Cardinal;

  FInputStream: TOutputPipeStream;

  FOutputStream: TInputPipeStream;

  FStderrStream: TInputPipeStream;

  procedure CloseProcessHandles; virtual;

  procedure CreateStreams(); virtual;

  procedure FreeStream();

public

  constructor Create(); override;

Create a new instance of the TProcess class.

  destructor Destroy; override;

Destroy this instance of TProcess

  procedure Execute; virtual;

Execute the program with the given options

  procedure CloseInput; virtual;

Close the input stream of the process

  procedure CloseOutput; virtual;

Close the output stream of the process

  procedure CloseStderr; virtual;

Close the error stream of the process

  function Resume; virtual;

Resume execution of a suspended process

  function Suspend; virtual;

Suspend a running process

  function Terminate(); virtual;

Terminate a running process

  function WaitOnExit;

Wait for the program to stop executing.

  property WindowRect: Trect; [rw]

Positions for the main program window.

  property Handle: THandle; [r]

Handle of the process

  property ProcessHandle: THandle; [r]

Alias for Handle

  property ThreadHandle: THandle; [r]

Main process thread handle

  property ProcessID: Integer; [r]

ID of the process.

  property ThreadID: Integer; [r]

ID of the main process thread

  property Input: TOutputPipeStream; [r]

Stream connected to standard input of the process.

  property Output: TInputPipeStream; [r]

Stream connected to standard output of the process.

  property Stderr: TInputPipeStream; [r]

Stream connected to standard diagnostic output of the process.

  property ExitStatus: Integer; [r]

Exit status of the process.

  property InheritHandles: Boolean; [rw]

Should the created process inherit the open handles of the current process.

published

  property Active: Boolean; [rw]

Start or stop the process.

  property ApplicationName: String; [rw]

Name of the application to start

  property CommandLine: String; [rw]

Command-line to execute

  property ConsoleTitle: String; [rw]

Title of the console window

  property CurrentDirectory: String; [rw]

Working directory of the process.

  property Desktop: String; [rw]

Desktop on which to start the process.

  property Environment: TStrings; [rw]

Environment variables for the new process

  property Options: TProcessOptions; [rw]

Options to be used when starting the process.

  property Priority: TProcessPriority; [rw]

Priority at which the process is running.

  property StartupOptions: TStartupOptions; [rw]

Additional (Windows) startup options

  property Running: Boolean; [r]

Determines wheter the process is still running.

  property ShowWindow: TShowWindowOptions; [rw]

Determines how the process main window is shown (Windows only)

  property WindowColumns: Cardinal; [rw]

Number of columns in console window (windows only)

  property WindowHeight: Cardinal; [rw]

Height of the process main window

  property WindowLeft: Cardinal; [rw]

X-coordinate of the initial window (Windows only)

  property WindowRows: Cardinal; [rw]

Number of rows in console window (Windows only)

  property WindowTop: Cardinal; [rw]

Y-coordinate of the initial window (Windows only)

  property WindowWidth: Cardinal; [rw]

Height of the process main window (Windows only)

  property FillAttribute: Cardinal; [rw]

Color attributes of the characters in the console window (Windows only)

end;

TProcess

Class to start and control other processes.

TComponent,IUnknown,IInterfaceComponentReference

TPersistent

TObject

Create

Create a new instance of the TProcess class.

Execute

Execute the program with the given options

Running

Determines wheter the process is still running.

CommandLin

Command-line to execute

Options

Options to be used when starting the process.