vb.net - Create BMP Screenshot and save as 8pp Grayscale -


i'm having lot of problems trying accomplish task. know how create screenshot , save bitmap....

    dim printscreen new bitmap(thewidth, theheight, pixelformat.format24bpprgb)     dim xscreenshot graphics = graphics.fromimage(printscreen)     dim thetest new size(thewidth, theheight)      dim thexloc string = "200"     dim theyloc string = "200"      xscreenshot.copyfromscreen(thexloc, theyloc, 0, 0, thetest)      printscreen.save("c:\temp\printscreen.bmp", imageformat.memorybmp)

however when pull options pixelformat. there no option save in 8pp. trying because have been using aforge.imaging library image comparisons , in order compare grayscale images have in 8pp format.


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