$cs.Service_Exist
Description
Section titled “Description”Checks whether a service with the given name is registered on the system, by looking for its key under the SYSTEM\CurrentControlSet\Services registry path.
Syntax
Section titled “Syntax”$cs.Service_Exist(string servicename)
Parameters
Section titled “Parameters”servicename (String)
Section titled “servicename (String)”Name of the service to check for.
Return value
Section titled “Return value”Boolean. $true if a registry key for the service is found, otherwise $false.
Example
Section titled “Example”Check whether a service exists before stopping it:
if ($cs.Service_Exist("gupdate")){ $cs.Job_WriteLog("gupdate service found, stopping it") $cs.Service_Stop("gupdate")}Verify a dependency service is registered before attempting to start it, and abort the install if it’s missing:
if (!$cs.Service_Exist("MySqlServerService")){ throw "Required dependency service MySqlServerService is not installed"}$cs.Job_WriteLog("Dependency service found, starting it")$cs.Service_Start("MySqlServerService")Only attempt cleanup of a service during uninstall if it was actually installed by this package:
if ($cs.Service_Exist("MyAppBackgroundService")){ $cs.Job_WriteLog("Removing MyAppBackgroundService") $cs.Service_Stop("MyAppBackgroundService") Start-Process "sc.exe" -ArgumentList "delete MyAppBackgroundService" -Wait}else{ $cs.Job_WriteLog("MyAppBackgroundService not present, nothing to remove")}