CAP_SUPPORTEDCAPS ? my Scanner Supports Certain capabilities

[hiEveryBody]

hi!!!! i need to know if my scanner supports certain capabilities before to do this»

TwCapability capX = new TwCapability(TwCap.XResolution, XResolution, TwType.Fix32);

rc = DScap(appid, srcds, TwDG.Control, TwDAT.Capability , TwMSG.Set, capX);

if (rc != TwRC.Success) {

CloseSrc();

return;

}

🙁 😥

i need to know if my scanner supports XResolution = 300

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