private string ToString(object value)
{
string description = ExifTagDescriptionAttribute.GetDescription(Tag, value);
if (description != null)
{
return(description);
}
switch (DataType)
{
case ExifDataType.Ascii:
return((string)value);
case ExifDataType.Byte:
return(((byte)value).ToString("X2", CultureInfo.InvariantCulture));
case ExifDataType.DoubleFloat:
return(((double)value).ToString(CultureInfo.InvariantCulture));
case ExifDataType.Long:
return(((uint)value).ToString(CultureInfo.InvariantCulture));
case ExifDataType.Rational:
return(((Rational)value).ToString(CultureInfo.InvariantCulture));
case ExifDataType.Short:
return(((ushort)value).ToString(CultureInfo.InvariantCulture));
case ExifDataType.SignedByte:
return(((sbyte)value).ToString("X2", CultureInfo.InvariantCulture));
case ExifDataType.SignedLong:
return(((int)value).ToString(CultureInfo.InvariantCulture));
case ExifDataType.SignedRational:
return(((SignedRational)value).ToString(CultureInfo.InvariantCulture));
case ExifDataType.SignedShort:
return(((short)value).ToString(CultureInfo.InvariantCulture));
case ExifDataType.SingleFloat:
return(((float)value).ToString(CultureInfo.InvariantCulture));
case ExifDataType.Undefined:
return(((byte)value).ToString("X2", CultureInfo.InvariantCulture));
default:
throw new NotSupportedException();
}
}
public override string ToString()
{
if (Value == null)
{
return(null);
}
var description = ExifTagDescriptionAttribute.GetDescription(Tag, Value);
if (description != null)
{
return(description);
}
return(StringValue);
}