public static bool IsNoContextMTA()
{
if (Thread.CurrentThread.GetApartmentState() != ApartmentState.MTA)
{
return(false);
}
if (CanCallCoGetObjectContext)
{
IntPtr zero = IntPtr.Zero;
IntPtr ppv = IntPtr.Zero;
try
{
WmiNetUtilsHelper.APTTYPE apttype;
if (CoGetObjectContext(ref IID_IComThreadingInfo, out zero) != 0)
{
return(false);
}
if (WmiNetUtilsHelper.GetCurrentApartmentType_f(3, zero, out apttype) != 0)
{
return(false);
}
if (apttype != WmiNetUtilsHelper.APTTYPE.APTTYPE_MTA)
{
return(false);
}
if (Marshal.QueryInterface(zero, ref IID_IObjectContext, out ppv) == 0)
{
return(false);
}
}
finally
{
if (zero != IntPtr.Zero)
{
Marshal.Release(zero);
}
if (ppv != IntPtr.Zero)
{
Marshal.Release(ppv);
}
}
}
return(true);
}
public static bool IsNoContextMTA()
{
WmiNetUtilsHelper.APTTYPE aPTTYPE = WmiNetUtilsHelper.APTTYPE.APTTYPE_STA;
bool flag;
if (Thread.CurrentThread.GetApartmentState() == ApartmentState.MTA)
{
if (MTAHelper.CanCallCoGetObjectContext)
{
IntPtr zero = IntPtr.Zero;
IntPtr intPtr = IntPtr.Zero;
try
{
if (MTAHelper.CoGetObjectContext(ref MTAHelper.IID_IComThreadingInfo, out zero) == 0)
{
if (WmiNetUtilsHelper.GetCurrentApartmentType_f(3, zero, out aPTTYPE) == 0)
{
if (aPTTYPE == WmiNetUtilsHelper.APTTYPE.APTTYPE_MTA)
{
if (Marshal.QueryInterface(zero, ref MTAHelper.IID_IObjectContext, out intPtr) != 0)
{
return(true);
}
else
{
flag = false;
}
}
else
{
flag = false;
}
}
else
{
flag = false;
}
}
else
{
flag = false;
}
}
finally
{
if (zero != IntPtr.Zero)
{
Marshal.Release(zero);
}
if (intPtr != IntPtr.Zero)
{
Marshal.Release(intPtr);
}
}
return(flag);
}
else
{
return(true);
}
}
else
{
return(false);
}
}