ImageMan ActiveX
Common TWAIN Capabilities

Setting Brightness

Brightness is specified as an integer between -1000 and 1000 and is set using the Brightness capability. The default value is 0.

 

Setting Contrast

Contrast is specified as an integer between -1000 and 1000 and is set using the Contrast capability. The default value is 0.


Setting Resolution

Scan resolution is set by setting both the X_Resolution and Y_Resolution capabilities to the desired values.

 

Setting Scan Size

Setting the scan area is accomplished by setting the Frames capability and passing a Frame object describing the size of the scan area.

 

Enabling Duplex Scanning

Duplex scanning is enabled by setting the DuplexEnabled capability to true. Query the Duplex capability to determine if the scanner is capable of duplex scanning.

 

Enabling the Document Feeder

Use the FeederEnabled capability to enable an ADF on a scanner. If this fails then the device doesnt have an ADF ie a flatbed only scanner. In addition to setting FeederEnabled to True you should also set the AutoFeed capability to True.

 

 


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