Mono.CSharp.TypeManager.ChangeType C# (CSharp) Method

	public static object ChangeType (object value, TypeSpec targetType, out bool error)
	{
		IConvertible convert_value = value as IConvertible;
		
		if (convert_value == null){
			error = true;
			return null;
		}
		
		//
		// We cannot rely on build-in type conversions as they are
		// more limited than what C# supports.
		// See char -> float/decimal/double conversion
		//
		error = false;
		try {
			if (targetType == TypeManager.bool_type)
				return convert_value.ToBoolean (nf_provider);
			if (targetType == TypeManager.byte_type)
				return convert_value.ToByte (nf_provider);
			if (targetType == TypeManager.char_type)
				return convert_value.ToChar (nf_provider);
			if (targetType == TypeManager.short_type)
				return convert_value.ToInt16 (nf_provider);
			if (targetType == TypeManager.int32_type)
				return convert_value.ToInt32 (nf_provider);
			if (targetType == TypeManager.int64_type)
				return convert_value.ToInt64 (nf_provider);
			if (targetType == TypeManager.sbyte_type)
				return convert_value.ToSByte (nf_provider);

			if (targetType == TypeManager.decimal_type) {
				if (convert_value.GetType () == typeof (char))
					return (decimal) convert_value.ToInt32 (nf_provider);
				return convert_value.ToDecimal (nf_provider);
			}

			if (targetType == TypeManager.double_type) {
				if (convert_value.GetType () == typeof (char))
					return (double) convert_value.ToInt32 (nf_provider);
				return convert_value.ToDouble (nf_provider);
			}

			if (targetType == TypeManager.float_type) {
				if (convert_value.GetType () == typeof (char))
					return (float)convert_value.ToInt32 (nf_provider);
				return convert_value.ToSingle (nf_provider);
			}

			if (targetType == TypeManager.string_type)
				return convert_value.ToString (nf_provider);
			if (targetType == TypeManager.ushort_type)
				return convert_value.ToUInt16 (nf_provider);
			if (targetType == TypeManager.uint32_type)
				return convert_value.ToUInt32 (nf_provider);
			if (targetType == TypeManager.uint64_type)
				return convert_value.ToUInt64 (nf_provider);
			if (targetType == TypeManager.object_type)
				return value;

			error = true;
		} catch {
			error = true;
		}
		return null;
	}