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The maximum physical width (X-axis) the Source can acquire (measured in units of ICAP_UNITS).
This is a read only capability.
For a flatbed scanner, the width of the platen; for a handheld scanner or a sheet fed scanner, the maximum width of a scan.
For dimensionless devices, such as digital cameras, this ICAP is meaningless for all values of ICAP_UNITS other than TWUN_PIXELS. If the device is dimensionless, the Source should return a value of zero if ICAP_UNITS does not equal TWUN_PIXELS. This tells the application to inquire with TWUN_PIXELS. The Source should then reply with its X-axis pixel count. Note: The physical acquired area may be different depending on the setting of CAP_FEEDERENABLED (if the Source has separate feeder and non-feeder acquire areas).
Type: TW_FIX
Allowed Values: 0 to 65535 in ICAP_UNITS
MSG_GET TW_ONEVALUE MSG_GETCURRENT TW_ONEVALUE MSG_GETDEFAULT TW_ONEVALUE MSG_SET Not Allowed
MSG_SETCONSTRAINT Not Allowed MSG_RESET Not Allowed MSG_QUERYSUPPORT TW_ONEVALUE
All Image Sources
Version 1.0
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The TWAIN Toolkit is distributed as is. The developer and distributors of the TWAIN Toolkit expressly disclaim all implied, express or statutory warranties including, without limitation, the implied warranties of merchantability, noninfringement of third party rights and fitness for a particular purpose. Neither the developers nor the distributors will be liable for damages, whether direct, indirect, special, incidental, or consequential, as a result of the reproduction, modification, distribution or other use of the TWAIN Toolkit.
