static Variant()
{
ClassTypes = new Type[] {
typeof(System.Empty), typeof(void), typeof(bool), typeof(char), typeof(sbyte), typeof(byte), typeof(short), typeof(ushort), typeof(int), typeof(uint), typeof(long), typeof(ulong), typeof(float), typeof(double), typeof(string), typeof(void),
typeof(DateTime), typeof(TimeSpan), typeof(object), typeof(decimal), typeof(object), typeof(System.Reflection.Missing), typeof(System.DBNull)
};
Empty = new System.Variant();
Missing = new System.Variant(0x16, Type.Missing, 0, 0);
DBNull = new System.Variant(0x17, System.DBNull.Value, 0, 0);
}
public override object ChangeType(object value, Type type, CultureInfo cultureInfo)
{
object obj3;
System.Variant source = new System.Variant(value);
if (cultureInfo == null)
{
cultureInfo = CultureInfo.CurrentCulture;
}
if (type.IsByRef)
{
type = type.GetElementType();
}
if (!type.IsPrimitive && type.IsInstanceOfType(value))
{
return(value);
}
Type type2 = value.GetType();
if (type.IsEnum && type2.IsPrimitive)
{
return(Enum.Parse(type, value.ToString()));
}
if (type2 == typeof(DBNull))
{
if (type == typeof(DBNull))
{
return(value);
}
if ((type.IsClass && (type != typeof(object))) || type.IsInterface)
{
return(null);
}
}
try
{
obj3 = OAVariantLib.ChangeType(source, type, 0x10, cultureInfo).ToObject();
}
catch (NotSupportedException)
{
throw new COMException(Environment.GetResourceString("Interop.COM_TypeMismatch"), -2147352571);
}
return(obj3);
}
public override object ChangeType(object value, Type type, CultureInfo cultureInfo)
{
object obj3;
System.Variant source = new System.Variant(value);
if (cultureInfo == null)
{
cultureInfo = CultureInfo.CurrentCulture;
}
if (type.IsByRef)
{
type = type.GetElementType();
}
if (!type.IsPrimitive && type.IsInstanceOfType(value))
{
return value;
}
Type type2 = value.GetType();
if (type.IsEnum && type2.IsPrimitive)
{
return Enum.Parse(type, value.ToString());
}
if (type2 == typeof(DBNull))
{
if (type == typeof(DBNull))
{
return value;
}
if ((type.IsClass && (type != typeof(object))) || type.IsInterface)
{
return null;
}
}
try
{
obj3 = OAVariantLib.ChangeType(source, type, 0x10, cultureInfo).ToObject();
}
catch (NotSupportedException)
{
throw new COMException(Environment.GetResourceString("Interop.COM_TypeMismatch"), -2147352571);
}
return obj3;
}
static Variant()
{
ClassTypes = new Type[] {
typeof(System.Empty), typeof(void), typeof(bool), typeof(char), typeof(sbyte), typeof(byte), typeof(short), typeof(ushort), typeof(int), typeof(uint), typeof(long), typeof(ulong), typeof(float), typeof(double), typeof(string), typeof(void),
typeof(DateTime), typeof(TimeSpan), typeof(object), typeof(decimal), typeof(object), typeof(System.Reflection.Missing), typeof(System.DBNull)
};
Empty = new System.Variant();
Missing = new System.Variant(0x16, Type.Missing, 0, 0);
DBNull = new System.Variant(0x17, System.DBNull.Value, 0, 0);
}
internal static void MarshalHelperCastVariant(object pValue, int vt, ref System.Variant v)
{
IConvertible convertible = pValue as IConvertible;
if (convertible != null)
{
IFormatProvider invariantCulture = CultureInfo.InvariantCulture;
switch (vt)
{
case 0:
v = Empty;
return;
case 1:
v = DBNull;
return;
case 2:
v = new System.Variant(convertible.ToInt16(invariantCulture));
return;
case 3:
v = new System.Variant(convertible.ToInt32(invariantCulture));
return;
case 4:
v = new System.Variant(convertible.ToSingle(invariantCulture));
return;
case 5:
v = new System.Variant(convertible.ToDouble(invariantCulture));
return;
case 6:
v = new System.Variant(new CurrencyWrapper(convertible.ToDecimal(invariantCulture)));
return;
case 7:
v = new System.Variant(convertible.ToDateTime(invariantCulture));
return;
case 8:
v = new System.Variant(convertible.ToString(invariantCulture));
return;
case 9:
v = new System.Variant(new DispatchWrapper(convertible));
return;
case 10:
v = new System.Variant(new ErrorWrapper(convertible.ToInt32(invariantCulture)));
return;
case 11:
v = new System.Variant(convertible.ToBoolean(invariantCulture));
return;
case 12:
v = new System.Variant(convertible);
return;
case 13:
v = new System.Variant(new UnknownWrapper(convertible));
return;
case 14:
v = new System.Variant(convertible.ToDecimal(invariantCulture));
return;
case 0x10:
v = new System.Variant(convertible.ToSByte(invariantCulture));
return;
case 0x11:
v = new System.Variant(convertible.ToByte(invariantCulture));
return;
case 0x12:
v = new System.Variant(convertible.ToUInt16(invariantCulture));
return;
case 0x13:
v = new System.Variant(convertible.ToUInt32(invariantCulture));
return;
case 20:
v = new System.Variant(convertible.ToInt64(invariantCulture));
return;
case 0x15:
v = new System.Variant(convertible.ToUInt64(invariantCulture));
return;
case 0x16:
v = new System.Variant(convertible.ToInt32(invariantCulture));
return;
case 0x17:
v = new System.Variant(convertible.ToUInt32(invariantCulture));
return;
}
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
switch (vt)
{
case 8:
if (pValue != null)
{
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
v = new System.Variant(null);
v.m_flags = 14;
return;
case 9:
v = new System.Variant(new DispatchWrapper(pValue));
return;
case 12:
v = new System.Variant(pValue);
return;
case 13:
v = new System.Variant(new UnknownWrapper(pValue));
return;
case 0x24:
v = new System.Variant(pValue);
return;
}
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
internal static void MarshalHelperConvertObjectToVariant(object o, ref System.Variant v)
{
IConvertible convertible = RemotingServices.IsTransparentProxy(o) ? null : (o as IConvertible);
if (o == null)
{
v = Empty;
}
else if (convertible == null)
{
v = new System.Variant(o);
}
else
{
IFormatProvider invariantCulture = CultureInfo.InvariantCulture;
switch (convertible.GetTypeCode())
{
case TypeCode.Empty:
v = Empty;
return;
case TypeCode.Object:
v = new System.Variant(o);
return;
case TypeCode.DBNull:
v = DBNull;
return;
case TypeCode.Boolean:
v = new System.Variant(convertible.ToBoolean(invariantCulture));
return;
case TypeCode.Char:
v = new System.Variant(convertible.ToChar(invariantCulture));
return;
case TypeCode.SByte:
v = new System.Variant(convertible.ToSByte(invariantCulture));
return;
case TypeCode.Byte:
v = new System.Variant(convertible.ToByte(invariantCulture));
return;
case TypeCode.Int16:
v = new System.Variant(convertible.ToInt16(invariantCulture));
return;
case TypeCode.UInt16:
v = new System.Variant(convertible.ToUInt16(invariantCulture));
return;
case TypeCode.Int32:
v = new System.Variant(convertible.ToInt32(invariantCulture));
return;
case TypeCode.UInt32:
v = new System.Variant(convertible.ToUInt32(invariantCulture));
return;
case TypeCode.Int64:
v = new System.Variant(convertible.ToInt64(invariantCulture));
return;
case TypeCode.UInt64:
v = new System.Variant(convertible.ToUInt64(invariantCulture));
return;
case TypeCode.Single:
v = new System.Variant(convertible.ToSingle(invariantCulture));
return;
case TypeCode.Double:
v = new System.Variant(convertible.ToDouble(invariantCulture));
return;
case TypeCode.Decimal:
v = new System.Variant(convertible.ToDecimal(invariantCulture));
return;
case TypeCode.DateTime:
v = new System.Variant(convertible.ToDateTime(invariantCulture));
return;
case TypeCode.String:
v = new System.Variant(convertible.ToString(invariantCulture));
return;
}
throw new NotSupportedException(Environment.GetResourceString("NotSupported_UnknownTypeCode", new object[] { convertible.GetTypeCode() }));
}
}
internal static void MarshalHelperCastVariant(object pValue, int vt, ref System.Variant v)
{
IConvertible convertible = pValue as IConvertible;
if (convertible != null)
{
IFormatProvider invariantCulture = CultureInfo.InvariantCulture;
switch (vt)
{
case 0:
v = Empty;
return;
case 1:
v = DBNull;
return;
case 2:
v = new System.Variant(convertible.ToInt16(invariantCulture));
return;
case 3:
v = new System.Variant(convertible.ToInt32(invariantCulture));
return;
case 4:
v = new System.Variant(convertible.ToSingle(invariantCulture));
return;
case 5:
v = new System.Variant(convertible.ToDouble(invariantCulture));
return;
case 6:
v = new System.Variant(new CurrencyWrapper(convertible.ToDecimal(invariantCulture)));
return;
case 7:
v = new System.Variant(convertible.ToDateTime(invariantCulture));
return;
case 8:
v = new System.Variant(convertible.ToString(invariantCulture));
return;
case 9:
v = new System.Variant(new DispatchWrapper(convertible));
return;
case 10:
v = new System.Variant(new ErrorWrapper(convertible.ToInt32(invariantCulture)));
return;
case 11:
v = new System.Variant(convertible.ToBoolean(invariantCulture));
return;
case 12:
v = new System.Variant(convertible);
return;
case 13:
v = new System.Variant(new UnknownWrapper(convertible));
return;
case 14:
v = new System.Variant(convertible.ToDecimal(invariantCulture));
return;
case 0x10:
v = new System.Variant(convertible.ToSByte(invariantCulture));
return;
case 0x11:
v = new System.Variant(convertible.ToByte(invariantCulture));
return;
case 0x12:
v = new System.Variant(convertible.ToUInt16(invariantCulture));
return;
case 0x13:
v = new System.Variant(convertible.ToUInt32(invariantCulture));
return;
case 20:
v = new System.Variant(convertible.ToInt64(invariantCulture));
return;
case 0x15:
v = new System.Variant(convertible.ToUInt64(invariantCulture));
return;
case 0x16:
v = new System.Variant(convertible.ToInt32(invariantCulture));
return;
case 0x17:
v = new System.Variant(convertible.ToUInt32(invariantCulture));
return;
}
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
switch (vt)
{
case 8:
if (pValue != null)
{
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
v = new System.Variant(null);
v.m_flags = 14;
return;
case 9:
v = new System.Variant(new DispatchWrapper(pValue));
return;
case 12:
v = new System.Variant(pValue);
return;
case 13:
v = new System.Variant(new UnknownWrapper(pValue));
return;
case 0x24:
v = new System.Variant(pValue);
return;
}
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
internal static object MarshalHelperConvertVariantToObject(ref System.Variant v)
{
return(v.ToObject());
}
internal static void MarshalHelperConvertObjectToVariant(object o, ref System.Variant v)
{
IConvertible convertible = RemotingServices.IsTransparentProxy(o) ? null : (o as IConvertible);
if (o == null)
{
v = Empty;
}
else if (convertible == null)
{
v = new System.Variant(o);
}
else
{
IFormatProvider invariantCulture = CultureInfo.InvariantCulture;
switch (convertible.GetTypeCode())
{
case TypeCode.Empty:
v = Empty;
return;
case TypeCode.Object:
v = new System.Variant(o);
return;
case TypeCode.DBNull:
v = DBNull;
return;
case TypeCode.Boolean:
v = new System.Variant(convertible.ToBoolean(invariantCulture));
return;
case TypeCode.Char:
v = new System.Variant(convertible.ToChar(invariantCulture));
return;
case TypeCode.SByte:
v = new System.Variant(convertible.ToSByte(invariantCulture));
return;
case TypeCode.Byte:
v = new System.Variant(convertible.ToByte(invariantCulture));
return;
case TypeCode.Int16:
v = new System.Variant(convertible.ToInt16(invariantCulture));
return;
case TypeCode.UInt16:
v = new System.Variant(convertible.ToUInt16(invariantCulture));
return;
case TypeCode.Int32:
v = new System.Variant(convertible.ToInt32(invariantCulture));
return;
case TypeCode.UInt32:
v = new System.Variant(convertible.ToUInt32(invariantCulture));
return;
case TypeCode.Int64:
v = new System.Variant(convertible.ToInt64(invariantCulture));
return;
case TypeCode.UInt64:
v = new System.Variant(convertible.ToUInt64(invariantCulture));
return;
case TypeCode.Single:
v = new System.Variant(convertible.ToSingle(invariantCulture));
return;
case TypeCode.Double:
v = new System.Variant(convertible.ToDouble(invariantCulture));
return;
case TypeCode.Decimal:
v = new System.Variant(convertible.ToDecimal(invariantCulture));
return;
case TypeCode.DateTime:
v = new System.Variant(convertible.ToDateTime(invariantCulture));
return;
case TypeCode.String:
v = new System.Variant(convertible.ToString(invariantCulture));
return;
}
throw new NotSupportedException(Environment.GetResourceString("NotSupported_UnknownTypeCode", new object[] { convertible.GetTypeCode() }));
}
}
