DTWAIN_GetOrientationEx

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The DTWAIN_GetOrientationEx function gets the current Orientation.

 

DTWAIN_BOOL DTWAIN_GetOrientationEx (

DTWAIN_SOURCE

Source,

DTWAIN_BOOL

bGetCurrent );

 

Parameters

Source

An open TWAIN Source.

 

bGetCurrent

Determines whether to get the current orientation or default orientation.

 

Return Values

If successsful, the current orientation is returned.  On failure, -1 is returned  If the function returns -1, call DTWAIN_GetLastError() to get extended information.

 

Comments

The DTWAIN_GetOrientationEx function performs the same functionality as DTWAIN_GetOrientation, with the difference being that the orientation is returned as a LONG instead of the user providing a pointer to a LONG as a parameter.

 

TWAIN State Transitions

The Source must be in State 4. or higher

 

Prerequisite Function Call(s)

DTWAIN_SysInitialize

DTWAIN Source Selection Function

 

 

See Also

Setting / Getting Orientation