// This helper can produce a builder for types that are directly supported by Variant.
private static SimpleArgBuilder GetSimpleArgBuilder(Type elementType, VarEnum elementVarEnum)
{
SimpleArgBuilder argBuilder;
switch (elementVarEnum)
{
case VarEnum.VT_BSTR:
argBuilder = new StringArgBuilder(elementType);
break;
case VarEnum.VT_BOOL:
argBuilder = new BoolArgBuilder(elementType);
break;
case VarEnum.VT_DATE:
argBuilder = new DateTimeArgBuilder(elementType);
break;
case VarEnum.VT_CY:
argBuilder = new CurrencyArgBuilder(elementType);
break;
case VarEnum.VT_DISPATCH:
argBuilder = new DispatchArgBuilder(elementType);
break;
case VarEnum.VT_UNKNOWN:
argBuilder = new UnknownArgBuilder(elementType);
break;
case VarEnum.VT_VARIANT:
case VarEnum.VT_ARRAY:
case VarEnum.VT_RECORD:
argBuilder = new VariantArgBuilder(elementType);
break;
case VarEnum.VT_ERROR:
argBuilder = new ErrorArgBuilder(elementType);
break;
default:
Type marshalType = GetManagedMarshalType(elementVarEnum);
if (elementType == marshalType)
{
argBuilder = new SimpleArgBuilder(elementType);
}
else
{
argBuilder = new ConvertArgBuilder(elementType, marshalType);
}
break;
}
return(argBuilder);
}
internal ConversionArgBuilder(Type parameterType, SimpleArgBuilder innerBuilder)
{
_parameterType = parameterType;
_innerBuilder = innerBuilder;
}
