MarshalHelperCastVariant()

static void System.Variant.MarshalHelperCastVariant ( object pValue, int vt, ref Variant v )

inlinestaticpackage

Definition at line 380 of file Variant.cs.

    {
        if (!(pValue is IConvertible convertible))
        {
            switch (vt)
            {
            case 9:
                v = new Variant(new DispatchWrapper(pValue));
                return;
            case 12:
                v = new Variant(pValue);
                return;
            case 13:
                v = new Variant(new UnknownWrapper(pValue));
                return;
            case 36:
                v = new Variant(pValue);
                return;
            case 8:
                if (pValue == null)
                {
                    v = new Variant(null)
                    {
                        _flags = 14
                    };
                    return;
                }
                break;
            }
            throw new InvalidCastException(SR.InvalidCast_CannotCoerceByRefVariant);
        }
        IFormatProvider invariantCulture = CultureInfo.InvariantCulture;
        v = vt switch
        {
            0 => Empty, 
            1 => DBNull, 
            2 => new Variant(convertible.ToInt16(invariantCulture)), 
            3 => new Variant(convertible.ToInt32(invariantCulture)), 
            4 => new Variant(convertible.ToSingle(invariantCulture)), 
            5 => new Variant(convertible.ToDouble(invariantCulture)), 
            6 => new Variant(new CurrencyWrapper(convertible.ToDecimal(invariantCulture))), 
            7 => new Variant(convertible.ToDateTime(invariantCulture)), 
            8 => new Variant(convertible.ToString(invariantCulture)), 
            9 => new Variant(new DispatchWrapper(convertible)), 
            10 => new Variant(new ErrorWrapper(convertible.ToInt32(invariantCulture))), 
            11 => new Variant(convertible.ToBoolean(invariantCulture)), 
            12 => new Variant(convertible), 
            13 => new Variant(new UnknownWrapper(convertible)), 
            14 => new Variant(convertible.ToDecimal(invariantCulture)), 
            16 => new Variant(convertible.ToSByte(invariantCulture)), 
            17 => new Variant(convertible.ToByte(invariantCulture)), 
            18 => new Variant(convertible.ToUInt16(invariantCulture)), 
            19 => new Variant(convertible.ToUInt32(invariantCulture)), 
            20 => new Variant(convertible.ToInt64(invariantCulture)), 
            21 => new Variant(convertible.ToUInt64(invariantCulture)), 
            22 => new Variant(convertible.ToInt32(invariantCulture)), 
            23 => new Variant(convertible.ToUInt32(invariantCulture)), 
            _ => throw new InvalidCastException(SR.InvalidCast_CannotCoerceByRefVariant), 
        };
    }

References System.Variant.Variant(), System.Variant._flags, System.Variant.DBNull, System.Variant.Empty, System.SR.InvalidCast_CannotCoerceByRefVariant, and System.Globalization.CultureInfo.InvariantCulture.