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The native optical resolution along the X-axis of the device being controlled by the Source. Most devices will respond with a single value (TW_ONEVALUE).
This is NOT a list of all resolutions that can be generated by the device. Rather, this is the resolution of the device’s optics. Measured in units of pixels per unit as defined by ICAP_UNITS (pixels per TWUN_PIXELS yields dimensionless data).
This is a read only capability.
Type: TW_FIX
Allowed Values: >0
MSG_GET TW_ONEVALUE TW_ENUMERATION
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 2.2 Scanner Sources
Version 1.0
ICAP_UNITS ICAP_XRESOLUTION ICAP_YNATIVERESOLUTION
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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.
