public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.Append(base.ToString());
sb.AppendFormat(" Character ID : {0:d} , image data size: {1:d}, bitmap alpha offset: {2:d}, bitmap alpha length: {3:d}", this._characterID, this._imageData.Length, this._alphaDataOffset, this._bitmapAlphaData.Length);
return sb.ToString();
}