Hello,

Can anyone please tell me how can I save Jpeg that is color 24bit into
Black/White 1bit PNG ?
I saw it is possible with PhotoELF .....

I tried with :

EncoderParameters encoderParams = new EncoderParameters();
encoderParams.Param[0] =

new EncoderParameter(

System.Drawing.Imaging.Encoder.ColorDepth,(long) 1L);

ImageCodecInfo codecInfo = thumb_getEncoderInfo("image/png");

m_Bitmap.Save(saveFileDialog.FileName, codecInfo, encoderParams);

but the image is still saved as 24bit ....  what do I have to do to save it
to 1bit ?

Thank You.

Kris