Ngenuity TWAIN Data Source November 19, 2009
Page 18 of 99
3.3 H
ELP SYSTEM
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3.4 M
ANDATORY TWAIN OPERATIONS
Mandatory Operations are those that are required to meet TWAIN Protocol Version 2.0 compliance
as dictated by the published TWAIN Specification Version 2.0.
Please see the TWAIN Specification for further detail about these operations and their behavior.
3.4.1 DG_CONTROL / DAT_IDENTITY
Supported Messages, MSG_GET (state 3-7), MSG_OPENDS (state 3), MSG_CLOSEDS (state 4)
TW_IDENTITY structure shall be filled out as follows:
ProtocolMajor = 2
ProtocolMinor = 0
SupportedGroups = DG_CONTROL|DG_IMAGE|DF_DS2
Manufacturer = “Böwe Bell + Howell”
ProductFamily = “Ngenuity”
ProductName = “Model Name goes here”
Ex. “Ngenuity 9125DC”
TW_VERSION substructure shall be filled out as follows:
MajorNum = 1
MinorNum = 0
Language = TWLG_USA
Country = TWCY_USA
Info = “1.0.0.0”
Further response to MSG_OPENDS will be to move to state 4 and begin any time consuming
initialization.
Further response to MSG_CLOSEDS will be to move to state 3 and clean up any buffers or other
resource used for this session.
3.4.2 DG_CONTROL / DAT_XFERGROUP
Supported Messages: MSG_GET (state 4-6)
Responds with:
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