TIETwainParams.IsCapabilitySupported
Declaration
function IsCapabilitySupported(cap: word): boolean;
Description
Returns true if the specified capability is supported by the selected device.
The following capabilities can be specified:
| Const | Description | Value |
| ACAP_AUDIOFILEFORMAT | Audio File Format | 4609 |
| ACAP_XFERMECH | Advanced capability transfer mechanism | 4610 |
| CAP_ALARMS | Alarms | 4120 |
| CAP_ALARMVOLUME | Alarm volume | 4121 |
| CAP_AUTHOR | Author | 4096 |
| CAP_AUTOFEED | Auto feed | 4103 |
| CAP_AUTOMATICCAPTURE | Automatic capture | 4122 |
| CAP_AUTOSCAN | Auto scan | 4112 |
| CAP_BATTERYMINUTES | Battery minutes | 4146 |
| CAP_BATTERYPERCENTAGE | Battery percentage | 4147 |
| CAP_CAMERAENABLED | Camera enabled | 4150 |
| CAP_CAMERAORDER | Camera order | 4151 |
| CAP_CAMERAPREVIEWUI | Camera preview user interface | 4129 |
| CAP_CAMERASIDE | Camera side | 4148 |
| CAP_CAPTION | Capability caption | 4097 |
| CAP_CLEARBUFFERS | Clear buffers | 4125 |
| CAP_CLEARPAGE | Clear page | 4104 |
| CAP_CUSTOMDSDATA | Custom data | 4117 |
| CAP_DEVICEEVENT | Device event | 4130 |
| CAP_DEVICEONLINE | Device online | 4111 |
| CAP_DEVICETIMEDATE | Device time date | 4127 |
| CAP_DUPLEX | Duplex | 4114 |
| CAP_DUPLEXENABLED | Duplex enabled | 4115 |
| CAP_ENABLEDSUIONLY | Enabled user interface only | 4116 |
| CAP_ENDORSER | Endorser | 4118 |
| CAP_EXTENDEDCAPS | Extended capabilities | 4102 |
| CAP_FEEDERALIGNMENT | Feeder alignment | 4141 |
| CAP_FEEDERENABLED | Capability feeder enabled | 4098 |
| CAP_FEEDERLOADED | Capability feeder loaded | 4099 |
| CAP_FEEDERORDER | Feeder order | 4142 |
| CAP_FEEDERPOCKET | Feeder pocket | 4154 |
| CAP_FEEDERPREP | Feeder prep | 4153 |
| CAP_FEEDPAGE | Feed page | 4105 |
| CAP_FILESYSTEM | File system | 4133 |
| CAP_INDICATORS | Capability indicators | 4107 |
| CAP_JOBCONTROL | Job control | 4119 |
| CAP_LANGUAGE | Language | 4140 |
| CAP_MAXBATCHBUFFERS | Max batch buffers | 4126 |
| CAP_MICRENABLED | MICR enabled | 4152 |
| CAP_PAGEMULTIPLEACQUIRE | Acquire multiple pages | 4131 |
| CAP_PAPERBINDING | Paper binding | 4143 |
| CAP_PAPERDETECTABLE | Paper detectable | 4109 |
| CAP_PASSTHRU | Pass thru | 4145 |
| CAP_POWERSUPPLY | Power supply | 4128 |
| CAP_PRINTER | Printer | 4134 |
| CAP_PRINTERENABLED | Printer enabled | 4135 |
| CAP_PRINTERINDEX | Printer index | 4136 |
| CAP_PRINTERMODE | Printer mode | 4137 |
| CAP_PRINTERSTRING | Printer string | 4138 |
| CAP_PRINTERSUFFIX | Printer suffix | 4139 |
| CAP_REACQUIREALLOWED | Reacquire allowed | 4144 |
| CAP_REWINDPAGE | Rewind page | 4106 |
| CAP_SEGMENTED | Segmented | 4149 |
| CAP_SERIALNUMBER | Serial number | 4132 |
| CAP_SUPPORTEDCAPS | Supported capabilities | 4101 |
| CAP_SUPPORTEDCAPSEXT | Supported extended capabilities | 4108 |
| CAP_THUMBNAILSENABLED | Thumbnails enabled | 4113 |
| CAP_TIMEBEFOREFIRSTCAPTURE | Time before first capture | 4123 |
| CAP_TIMEBETWEENCAPTURES | Time between captures | 4124 |
| CAP_TIMEDATE | Capability time date | 4100 |
| CAP_UICONTROLLABLE | User interface controllable | 4110 |
| CAP_XFERCOUNT | Transfer count | 1 |
| ICAP_AUTOBRIGHT | Automatic brightness | 4352 |
| ICAP_AUTOMATICBORDERDETECTION | Automatic border detection | 4432 |
| ICAP_AUTOMATICDESKEW | Automatic deskew | 4433 |
| ICAP_AUTOMATICROTATE | Automatic rotate | 4434 |
| ICAP_AUTOSIZE | Automatic sizing | 4438 |
| ICAP_BARCODEDETECTIONENABLED | Barcode detection enabled | 4407 |
| ICAP_BARCODEMAXRETRIES | Barcode maximum retries | 4412 |
| ICAP_BARCODEMAXSEARCHPRIORITIES | Barcode maximum search priorities | 4409 |
| ICAP_BARCODESEARCHMODE | Barcode search mode | 4411 |
| ICAP_BARCODESEARCHPRIORITIES | Barcode search priorities | 4410 |
| ICAP_BARCODETIMEOUT | Barcode timeout | 4413 |
| ICAP_BITDEPTH | Bit depth | 4395 |
| ICAP_BITDEPTHREDUCTION | Bit depth reduction | 4396 |
| ICAP_BITORDER | Bit order | 4380 |
| ICAP_BITORDERCODES | Bit order codes | 4390 |
| ICAP_BRIGHTNESS | Brightness | 4353 |
| ICAP_CCITTKFACTOR | CCITTK Factor | 4381 |
| ICAP_COMPRESSION | Compression | 256 |
| ICAP_CONTRAST | Contrast | 4355 |
| ICAP_CUSTHALFTONE | Custom halftone | 4356 |
| ICAP_EXPOSURETIME | Exposure time | 4357 |
| ICAP_EXTIMAGEINFO | Extended image info | 4399 |
| ICAP_FEEDERTYPE | Feeder Type | 4436 |
| ICAP_FILTER | Filter | 4358 |
| ICAP_FLASHUSED | Flash used | 4359 |
| ICAP_FLASHUSED2 | Flash used 2 | 4422 |
| ICAP_FLIPROTATION | Flip rotation | 4406 |
| ICAP_FRAMES | Frames | 4372 |
| ICAP_GAMMA | Gamma | 4360 |
| ICAP_HALFTONES | Halftones | 4361 |
| ICAP_HIGHLIGHT | Highlight | 4362 |
| ICAP_ICCPROFILE | ICC Profile | 4437 |
| ICAP_IMAGEDATASET | Image data set | 4398 |
| ICAP_IMAGEFILEFORMAT | Image file format | 4364 |
| ICAP_IMAGEFILTER | Image filter | 4423 |
| ICAP_JPEGPIXELTYPE | JPEG pixel type | 4392 |
| ICAP_JPEGQUALITY | JPEG quality | 4435 |
| ICAP_LAMPSTATE | Lamp state | 4365 |
| ICAP_LIGHTPATH | Light path | 4382 |
| ICAP_LIGHTSOURCE | Light source | 4366 |
| ICAP_MAXFRAMES | Maximum frames | 4378 |
| ICAP_MINIMUMHEIGHT | Minimum height | 4400 |
| ICAP_MINIMUMWIDTH | Minimum width | 4401 |
| ICAP_NOISEFILTER | Noise filter | 4424 |
| ICAP_ORIENTATION | Orientation | 4368 |
| ICAP_OVERSCAN | Over scan | 4425 |
| ICAP_PATCHCODEDETECTIONENABLED | Patch code detection enabled | 4415 |
| ICAP_PATCHCODEMAXRETRIES | Patch code maximum retries | 4420 |
| ICAP_PATCHCODEMAXSEARCHPRIORITIES | Patch code maximum search priorities | 4417 |
| ICAP_PATCHCODESEARCHMODE | Patch code search mode | 4419 |
| ICAP_PATCHCODESEARCHPRIORITIES | Patch code search priorities | 4418 |
| ICAP_PATCHCODETIMEOUT | Patch code timeout | 4421 |
| ICAP_PHYSICALHEIGHT | Physical height | 4370 |
| ICAP_PHYSICALWIDTH | Physical width | 4369 |
| ICAP_PIXELFLAVOR | Pixel flavor | 4383 |
| ICAP_PIXELFLAVORCODES | Pixel flavor codes | 4391 |
| ICAP_PIXELTYPE | Capability pixel type | 257 |
| ICAP_PLANARCHUNKY | Planar chunky | 4384 |
| ICAP_ROTATION | Rotation | 4385 |
| ICAP_SHADOW | Shadow | 4371 |
| ICAP_SUPPORTEDBARCODETYPES | Supported barcode types | 4408 |
| ICAP_SUPPORTEDPATCHCODETYPES | Supported path code types | 4416 |
| ICAP_SUPPORTEDSIZES | Supported sizes | 4386 |
| ICAP_THRESHOLD | Threshold | 4387 |
| ICAP_TILES | Tiles | 4379 |
| ICAP_TIMEFILL | Time fill | 4394 |
| ICAP_UNDEFINEDIMAGESIZE | Undefined image size | 4397 |
| ICAP_UNITS | Capability units | 258 |
| ICAP_XFERMECH | Capability transfer mechanism | 259 |
| ICAP_XNATIVERESOLUTION | X coordinate native resolution | 4374 |
| ICAP_XRESOLUTION | X resolution | 4376 |
| ICAP_XSCALING | X scaling | 4388 |
| ICAP_YNATIVERESOLUTION | Y coordinate native resolution | 4375 |
| ICAP_YRESOLUTION | Y resolution | 4377 |
| ICAP_YSCALING | Y scaling | 4389 |
| ICAP_ZOOMFACTOR | Zoom factor | 4414 |
| ICAP_AUTODISCARDBLANKPAGES | Automatic discard of blank pages | 4404 |
Example
ImageEnMView1.MIO.SelectAcquireSource([ieaTwain]);
if ImageEnMView1.MIO.TwainParams.IsCapabilitySupported( CAP_ALARMVOLUME ) then
showmessage('CAP_ALARMVOLUME is supported')
else
showmessage('CAP_ALARMVOLUME is Not supported');