Saves the current image to a file in PCX format. FileName is the file name including extension.
Note: ◼PCX only supports Bits-per-pixel (BitsPerSample * SamplesPerPixel) values of 1, 4, 8 or 24. ◼If an internal save error is encountered Aborting will return true. Saving issues due to insufficient write permissions and disk write failures will raise an exception. ◼To abort while saving set Aborting to true