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    <p>Please note I have only accepted this solution so that a full delphi code solution is accepted, all due thanks to Jk though for pointing me on the correct path.</p> <p>--</p> <p>Ok, I've been able to figure out how to use the answer by Jk and have come up with this solution in delphi.</p> <p>For reference, this is the link provided by Jk:</p> <p><a href="http://msdn.microsoft.com/en-us/library/ms684941(VS.85).aspx" rel="nofollow noreferrer">QueryServiceStatusEx</a></p> <p>My Solution:</p> <pre><code>unit Demo; interface uses Windows, Forms, SysUtils, StdCtrls, WinSvc, Controls, Classes; type //Form for basic demo usage TForm6 = class(TForm) Button1: TButton; Memo1: TMemo; procedure Button1Click(Sender: TObject); end; //Record defined for use as return buffer _SERVICE_STATUS_PROCESS = record dwServiceType: DWORD; dwCurrentState: DWORD; dwControlsAccepted: DWORD; dwWin32ExitCode: DWORD; dwServiceSpecificExitCode: DWORD; dwCheckPoint: DWORD; dwWaitHint: DWORD; dwProcessId: DWORD; dwServiceFlags: DWORD; end; //Function Prototype function QueryServiceStatusEx( SC_HANDLE: SC_Handle; SC_STATUS_TYPE: Cardinal; out lpBuffer: _SERVICE_STATUS_PROCESS; cbBufSize: DWORD; out pcbBytesNeeded: LPDWORD ): BOOL; stdcall; //internal setup function function GetPid(sService: String; sMachine: String = '') : Cardinal; var Form6: TForm6; implementation {$R *.dfm} const // windows api library advapi32 = 'advapi32.dll'; //define the api call function QueryServiceStatusEx; external advapi32 name 'QueryServiceStatusEx'; //for demo usage procedure TForm6.Button1Click(Sender: TObject); begin Memo1.Lines.Add(IntToStr(Integer(GetPid('Service')))) end; function GetPid(sService: String; sMachine: String = '') : Cardinal; var schm, schs: SC_Handle; SC_STATUS_TYPE: Cardinal; lpBuffer: _SERVICE_STATUS_PROCESS; cbBufSize: DWORD; pcbBytesNeeded: LPDWORD; begin //open the service manager (defined in WinSvc) schm := OpenSCManager(PChar(sMachine), nil, SC_MANAGER_CONNECT); //set the status type to SC_STATUS_PROCESS_INFO //this is currently the only value supported SC_STATUS_TYPE := $00000000; //set the buffer size to the size of the record cbBufSize := sizeof(_SERVICE_STATUS_PROCESS); if (schm&gt;0) then begin //grab the service handle schs := OpenService(schm, PChar(sService), SERVICE_QUERY_STATUS); if (schs&gt;0) then begin //call the function QueryServiceStatusEx( schs, SC_STATUS_TYPE, lpBuffer, cbBufSize, pcbBytesNeeded); CloseServiceHandle(schs); end; CloseServiceHandle(schm); end; Result := lpBuffer.dwProcessId; end; end. </code></pre> <p>Please note that not all external naming and other necessities are included.</p>
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    1. POHow can I find the process id from the service name/handle in Delphi?
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