Property value.

If an error occurs, the ErrorOccurred variable is set to True and ErrorInfo returns the corresponding error message.

Name of the Scanner variable initialized with the information of the scanner for which we want to get a property.

Property whose values are requested. This property can correspond to:

• one of the following constants from the WiaDef.h file in the Windows API: WIA_DIP_xxx, WIA_DPA_xxx, WIA_DPS_xxx, WIA_IPA_xxx, or WIA_IPS_xxx.
  Caution: The properties supported vary according to the driver used. The list of properties can be found at https://github.com/tpn/winddk-8.1/blob/master/Include/um/WiaDef.h.
• one of the following constants:
  

  scanPropertyCapability	Scanner capability. In this case, <Result> can be any combination of the following constants: scanCapabilityFeeder: The scanner has a feeder. scanCapabilityFlatbed: The scanner has a flatbed. scanCapabilityDuplex: The scanner supports duplex scanning.
  scanPropertyPaperSize	Page size currently set for scanning. In this case, <Result> can be one of the following constants: scanPaperSizeA0 scanPaperSizeA1 scanPaperSizeA10 scanPaperSizeA2 scanPaperSizeA3 scanPaperSizeA4 scanPaperSizeA5 scanPaperSizeA6 scanPaperSizeA7 scanPaperSizeA8 scanPaperSizeA9 scanPaperSizeAuto scanPaperSizeB0 scanPaperSizeB1 scanPaperSizeB10 scanPaperSizeB2 scanPaperSizeB3 scanPaperSizeB4 scanPaperSizeB5 scanPaperSizeB6 scanPaperSizeB7 scanPaperSizeB8 scanPaperSizeB9 scanPaperSizeC0 scanPaperSizeC1 scanPaperSizeC10 scanPaperSizeC2 scanPaperSizeC3 scanPaperSizeC4 scanPaperSizeC5 scanPaperSizeC6 scanPaperSizeC7 scanPaperSizeC8 scanPaperSizeC9 scanPaperSizeBusinessCard scanPaperSizeStatement scanPaperSizeDINB2 scanPaperSizeDINB4 scanPaperSizeLedger scanPaperSizeJISA2 scanPaperSizeJISA4 scanPaperSizeJISB0 scanPaperSizeJISB1 scanPaperSizeJISB10 scanPaperSizeJISB2 scanPaperSizeJISB3 scanPaperSizeJISB4 scanPaperSizeJISB5 scanPaperSizeJISB6 scanPaperSizeJISB7 scanPaperSizeJISB8 scanPaperSizeJISB9 scanPaperSizeLegal scanPaperSizeLetter scanPaperSizeCustom Remark: If the scanPaperSizeCustom constant is used, the dimensions must be specified in the Area property of the variable of type Scanner.

• True if the property was modified,
• False otherwise.

If an error occurs, the ErrorOccurred variable is set to True and ErrorInfo returns the corresponding error message.

Name of the Scanner variable initialized with the information of the scanner for which we want to change a property.

Property whose value is to be changed.

This property can correspond to:

• one of the following constants from the WiaDef.h file in the Windows API: WIA_DIP_xxx, WIA_DPA_xxx, WIA_DPS_xxx, WIA_IPA_xxx, or WIA_IPS_xxx.
  Caution: The properties supported vary according to the driver used. The list of properties can be found at https://github.com/tpn/winddk-8.1/blob/master/Include/um/WiaDef.h.
• one of the following constants:
  

  scanPropertyCapability	Scanner capability. In this case, <Result> can be any combination of the following constants: scanCapabilityFeeder: The scanner has a feeder. scanCapabilityFlatbed: The scanner has a flatbed. scanCapabilityDuplex: The scanner supports duplex scanning.
  scanPropertyPaperSize	Page size currently set for scanning. In this case, <Result> can be one of the following constants: scanPaperSizeA0 scanPaperSizeA1 scanPaperSizeA10 scanPaperSizeA2 scanPaperSizeA3 scanPaperSizeA4 scanPaperSizeA5 scanPaperSizeA6 scanPaperSizeA7 scanPaperSizeA8 scanPaperSizeA9 scanPaperSizeAuto scanPaperSizeB0 scanPaperSizeB1 scanPaperSizeB10 scanPaperSizeB2 scanPaperSizeB3 scanPaperSizeB4 scanPaperSizeB5 scanPaperSizeB6 scanPaperSizeB7 scanPaperSizeB8 scanPaperSizeB9 scanPaperSizeC0 scanPaperSizeC1 scanPaperSizeC10 scanPaperSizeC2 scanPaperSizeC3 scanPaperSizeC4 scanPaperSizeC5 scanPaperSizeC6 scanPaperSizeC7 scanPaperSizeC8 scanPaperSizeC9 scanPaperSizeBusinessCard scanPaperSizeStatement scanPaperSizeDINB2 scanPaperSizeDINB4 scanPaperSizeLedger scanPaperSizeJISA2 scanPaperSizeJISA4 scanPaperSizeJISB0 scanPaperSizeJISB1 scanPaperSizeJISB10 scanPaperSizeJISB2 scanPaperSizeJISB3 scanPaperSizeJISB4 scanPaperSizeJISB5 scanPaperSizeJISB6 scanPaperSizeJISB7 scanPaperSizeJISB8 scanPaperSizeJISB9 scanPaperSizeLegal scanPaperSizeLetter scanPaperSizeCustom Remark: If the scanPaperSizeCustom constant is used, the dimensions must be specified in the Area property of the variable of type Scanner.

New value for the property.