DTWAIN_EnumOrientationsEx

The DTWAIN_EnumOrientationsEx function returns the available orientation values that are supported for the Source.

DTWAIN_ARRAY DTWAIN_EnumOrientationsEx ( DTWAIN_SOURCE Source );

Parameters

Source

Return Values

If successful, a DTWAIN_ARRAY that will store the available orientation values. NULL is returned on failure. If the function fails, call DTWAIN_GetLastError() to get extended information.

Comments

The DTWAIN_EnumOrientationsEx function has the same functionality as DTWAIN_EnumOrientations, except that the DTWAIN_ARRAY is returned to the caller instead of the caller providing a pointer to a DTWAIN_ARRAY as a parameter.

TWAIN State Transitions

The source must be opened in State 4

Prerequisite Function Call(s)

DTWAIN_SysInitialize

DTWAIN Source Selection Function