Atalasoft DotImage 11.4
Atalasoft DotImage Class Library
Atalasoft.Twain
Device Class
Device Properties
Alarms Property
AlarmVolume Property
Author Property
AutoBrightness Property
AutoDiscardBlankPages Property
AutomaticBorderDetection Property
AutomaticDeskew Property
AutomaticRotate Property
AutoScan Property
AutoSize Property
BarCode Property
BatteryMinutes Property
BatteryPercentage Property
BitDepth Property
BitDepthReduction Property
Brightness Property
CameraPreviewInterface Property
Caption Property
CcittKFactor Property
ColorFilter Property
Compression Property
Contrast Property
Controller Property
CustomDataSupported Property
DateTime Property
DeviceEvents Property
DisplayProgressIndicator Property
DocumentFeeder Property
Duplex Property
DuplexEnabled Property
EnableInterfaceOnly Property
EndorserNumber Property
ExposureTime Property
FileFormat Property
FileSystem Property
Filter Property
FlashUsed Property
FlipRotation Property
Frame Property
FrameSize Property
Gamma Property
Halftone Property
HideInterface Property
Highlight Property
IccProfile Property
Identity Property
ImageCount Property
ImageLayout Property
InterfaceControllable Property
JobControl Property
JpegPixelType Property
JpegQuality Property
LampState Property
Language Property
LastReturnCode Property
LightPath Property
LightSource Property
MaxBatchBuffers Property
MaxFrames Property
MicrEnabled Property
MinimumHeight Property
MinimumWidth Property
ModalAcquire Property
NativeResolution Property
NoiseFilter Property
Online Property
Orientation Property
Overscan Property
PaperDetectable Property
PatchCode Property
PhysicalHeight Property
PhysicalWidth Property
PixelFlavor Property
PixelType Property
PowerSupply Property
ReacquireAllowed Property
Resolution Property
Rotation Property
Scaling Property
SerialNumber Property
Shadow Property
State Property
ThreadingEnabled Property
Threshold Property
ThumbnailEnabled Property
TransferCount Property
TransferMethod Property
Units Property
ZoomFactor Property
Click or drag to resize

DeviceContrast Property

Gets or sets the amount of contrast the Source will add to the image.

Namespace:  Atalasoft.Twain
Assembly:  Atalasoft.DotTwain (in Atalasoft.DotTwain.dll) Version: 11.4.0.9.0.377 (.NET 4.5.2, x86)
Syntax
Copy
public float Contrast { get; set; }

Property Value

Type: Single
The amount of contrast the Source will add to the image.
Exceptions
ExceptionCondition
Thrown if a connection to the device is not open.
Remarks
Normal values are from -1000 to 1000 but can vary from scanner to scanner. Use the GetSupportedContrastValues method to find values supported by the device.
See Also