/// <summary>
/// Gets the length of a record field. The count does not include the terminating null.
/// </summary>
/// <exception cref="ArgumentOutOfRangeException">The field is less than 0 or greater than the
/// number of fields in the Record.</exception>
/// <remarks><p>
/// The returned data size is 0 if the field is null, non-existent,
/// or an internal object pointer. The method also returns 0 if the handle is not a valid
/// Record handle.
/// </p><p>
/// If the data is in integer format, the property returns 2 or 4.
/// </p><p>
/// If the data is in string format, the property returns the character count
/// (not including the NULL terminator).
/// </p><p>
/// If the data is in stream format, the property returns the byte count.
/// </p><p>
/// Win32 MSI API:
/// <a href="http://msdn.microsoft.com/library/en-us/msi/setup/msirecorddatasize.asp">MsiRecordDataSize</a>
/// </p></remarks>
public int GetDataSize(int field)
{
this.CheckRange(field);
return((int)RemotableNativeMethods.MsiRecordDataSize((int)this.Handle, (uint)field));
}