private static bool ReadServiceDelayedAutoStartConfiguration(SafeServiceHandle serviceHandle)
{
NativeMethods.QueryServiceConfig2(serviceHandle, NativeMethods.SERVICE_CONFIG_DELAYED_AUTO_START_INFO, 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_DELAYED_AUTO_START_INFO, ptr, BytesNeeded, out BytesNeeded))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
NativeMethods.ServiceDelayedAutoStartInfo ServiceDelayedAutoStart = new NativeMethods.ServiceDelayedAutoStartInfo();
Marshal.PtrToStructure(ptr, ServiceDelayedAutoStart);
return(ServiceDelayedAutoStart.fDelayedAutostart);
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
public static void ChangeServiceDelayedAutoStartConfiguration(SafeServiceHandle serviceHandle, bool useDelayedAutoStart)
{
NativeMethods.ServiceDelayedAutoStartInfo ServiceDelayedAutoStartInfo = new NativeMethods.ServiceDelayedAutoStartInfo
{
fDelayedAutostart = useDelayedAutoStart
};
IntPtr lpInfo = Marshal.AllocHGlobal(NativeMethods.ServiceDelayedAutoStartInfo.SizeOf);
try
{
Marshal.StructureToPtr(ServiceDelayedAutoStartInfo, lpInfo, false);
if (!NativeMethods.ChangeServiceConfig2(
serviceHandle,
NativeMethods.SERVICE_CONFIG_DELAYED_AUTO_START_INFO,
lpInfo))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
finally
{
Marshal.FreeHGlobal(lpInfo);
}
}