DTWAIN_SetOrientation
The DTWAIN_SetOrientation function sets the current orientation when acquiring pages.
DTWAIN_BOOL DTWAIN_SetOrientation (
Parameters Source An open TWAIN Source.
Printer The orientation to set
bSetCurrent Determines whether to set the current orientation or use the default orientation.
Return Values The return value is TRUE if successful. Otherwise FALSE is returned.
Comments The DTWAIN_SetOrientation function sets the current orientation for the Source Source when acquiring pages.
The Orientation is the orientation to set. If bSetCurrent is TRUE, the orientation is set to the value specified by Orientation. If bSetCurrent is FALSE, the default orientation is set, and the Orientation argument is ignored. The value of Orientation can be any one of the Orientation Constants.
The TWAIN Source must support setting orientation (see DTWAIN_IsOrientationSupported)
TWAIN State Transitions The Source must be in State 4. or higher
Prerequisite Function Call(s)
DTWAIN Source Selection Function
See Also |