public static void ChangeServiceDescription(SafeServiceHandle serviceHandle, string?description)
{
NativeMethods.ServiceDescriptionInfo ServiceDescriptionInfo = new NativeMethods.ServiceDescriptionInfo
{
lpDescription = description
};
IntPtr lpInfo = Marshal.AllocHGlobal(NativeMethods.ServiceDescriptionInfo.SizeOf);
try
{
Marshal.StructureToPtr(ServiceDescriptionInfo, lpInfo, false);
if (!NativeMethods.ChangeServiceConfig2(
serviceHandle,
NativeMethods.SERVICE_CONFIG_DESCRIPTION,
lpInfo))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
finally
{
Marshal.FreeHGlobal(lpInfo);
}
}
private static string?ReadServiceDescription(SafeServiceHandle serviceHandle)
{
NativeMethods.QueryServiceConfig2(serviceHandle, NativeMethods.SERVICE_CONFIG_DESCRIPTION, IntPtr.Zero, 0, out uint BytesNeeded);
int ErrorCode = Marshal.GetLastWin32Error();
if (ErrorCode != NativeMethods.ERROR_INSUFFICIENT_BUFFER)
{
throw new Win32Exception(ErrorCode);
}
IntPtr ptr = Marshal.AllocHGlobal((int)BytesNeeded);
try
{
if (!NativeMethods.QueryServiceConfig2(serviceHandle, NativeMethods.SERVICE_CONFIG_DESCRIPTION, ptr, BytesNeeded, out BytesNeeded))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
NativeMethods.ServiceDescriptionInfo ServiceDescription = new NativeMethods.ServiceDescriptionInfo();
Marshal.PtrToStructure(ptr, ServiceDescription);
return(ServiceDescription.lpDescription);
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
