Determine if Service Already Installed

Determine if a Windows service is already installed.

Note:This software is available as a pre-release.

 Chilkat Java Library Downloads for Windows, Linux, and MAC OS X

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkService service = new CkService();

    service.put_ServiceName("MyService");

    //  returns -1 for failure (inability to check)
    //  returns 1 if already installed.
    //  returns 0 if not yet installed.
    int retval;
    retval = service.IsInstalled();
    if (retval < 0) {
        System.out.println("Failed to query service control manager");
    }
    else {
        if (retval == 1) {
            System.out.println("Service is already installed");
        }
        else {
            System.out.println("Service is not installed");
        }

    }

  }
}