コード例 #1
0
 // Convert an object value into a string.
 public static String FromObject(Object Value)
 {
     if (Value != null)
     {
         if (Value is String)
         {
             return((String)Value);
         }
                         #if !ECMA_COMPAT
         else if (Value is IConvertible)
         {
             return(((IConvertible)Value).ToString(null));
         }
         else if (Value is char[])
         {
             return(new String(CharArrayType.FromObject(Value)));
         }
         else
         {
             throw new InvalidCastException
                       (String.Format(S._("VB_InvalidCast"),
                                      Value.GetType(), "String"));
         }
                         #else
         else
         {
             return(Value.ToString());
         }
                         #endif
     }
コード例 #2
0
        public static string FromObject(object Value)
        {
            if (Value == null)
            {
                return(null);
            }
            string str2 = Value as string;

            if (str2 != null)
            {
                return(str2);
            }
            IConvertible convertible = Value as IConvertible;

            if (convertible != null)
            {
                switch (convertible.GetTypeCode())
                {
                case TypeCode.Boolean:
                    return(FromBoolean(convertible.ToBoolean(null)));

                case TypeCode.Char:
                    return(FromChar(convertible.ToChar(null)));

                case TypeCode.Byte:
                    return(FromByte(convertible.ToByte(null)));

                case TypeCode.Int16:
                    return(FromShort(convertible.ToInt16(null)));

                case TypeCode.Int32:
                    return(FromInteger(convertible.ToInt32(null)));

                case TypeCode.Int64:
                    return(FromLong(convertible.ToInt64(null)));

                case TypeCode.Single:
                    return(FromSingle(convertible.ToSingle(null)));

                case TypeCode.Double:
                    return(FromDouble(convertible.ToDouble(null)));

                case TypeCode.Decimal:
                    return(FromDecimal(convertible.ToDecimal(null)));

                case TypeCode.DateTime:
                    return(FromDate(convertible.ToDateTime(null)));

                case TypeCode.String:
                    return(convertible.ToString(null));
                }
            }
            else
            {
                char[] chArray = Value as char[];
                if ((chArray != null) && (chArray.Rank == 1))
                {
                    return(new string(CharArrayType.FromObject(Value)));
                }
            }
            throw new InvalidCastException(Utils.GetResourceString("InvalidCast_FromTo", new string[] { Utils.VBFriendlyName(Value), "String" }));
        }