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{ Check if a process from the task list is active. } uses TlHelp32; function processExists(exeFileName: string): Boolean; var ContinueLoop: BOOL; FSnapshotHandle: THandle; FProcessEntry32: TProcessEntry32; begin FSnapshotHandle := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); FProcessEntry32.dwSize := SizeOf(FProcessEntry32); ContinueLoop := Process32First(FSnapshotHandle, FProcessEntry32); Result := False; while Integer(ContinueLoop) <> 0 do begin if ((UpperCase(ExtractFileName(FProcessEntry32.szExeFile)) = UpperCase(ExeFileName)) or (UpperCase(FProcessEntry32.szExeFile) = UpperCase(ExeFileName))) then begin Result := True; end; ContinueLoop := Process32Next(FSnapshotHandle, FProcessEntry32); end; CloseHandle(FSnapshotHandle); end; procedure TForm1.Button1Click(Sender: TObject); begin if processExists('notepad.exe') then ShowMessage('process is running') else ShowMessage('process not running'); end;
本文转自 OldHawk 博客园博客,原文链接:http://www.cnblogs.com/taobataoma/archive/2007/08/20/862668.html,如需转载请自行联系原作者