public static VariantComparisonResults Compare(object x, object y, int lcid, VariantComparisonFlags flags)
{
object dy;
try
{
dy = VariantConverter.ChangeType(y, x.GetType());
}
catch
{
dy = y;
}
return((VariantComparisonResults)VariantNativeMethods.VarCmp(ref x, ref dy, lcid, (uint)flags));
}
public static object ChangeType(object value, VARENUM vt, CultureInfo cultureInfo)
{
object result = null;
var hr = cultureInfo == null
? VariantNativeMethods.VariantChangeType(ref result, ref value, VariantConversionFlags.NO_FLAGS, vt)
: VariantNativeMethods.VariantChangeTypeEx(ref result, ref value, cultureInfo.LCID, VariantConversionFlags.NO_FLAGS, vt);
if (HResult.Failed(hr))
{
throw Marshal.GetExceptionForHR(hr);
}
return(result);
}