epas_CreateContext

The epas_CreateContext return a context handle for consequent operation with an ePass1000. This function must be invoked first.

EPAS_STATUS EPAS_API
epas_CreateContext(
    EPAS_HANDLE* hContextHandle,      // [out]
    unsigned long ulFlags,            // [in]
    unsigned long ulApiVersion        // [in]
);

Requirement

This function must be invoked first.

Parameters

hContextHandle

[out]Pointer to handle of a device context.

ulFlags

[in]Reserved for future extension, and must be set to zero.

ulApiVersion

[in]This parameter will contain a version number of the library, that the application was intended to use. Set this parameter to EPAS_API_VERSION.

Return Values

If the function succeeds, FT_SUCCESS returned.

If the library failed to allocate memory for context creation, FT_NOT_ENOUGH_MEMORY returned.

If the library do not support the assigned ulApiVersion, FT_INVALID_API_VERSION returned.

For a list of all return codes, see Status Return Values.

Sample Code

EPAS_STATUS epsRet;
EPAS_HANDLE handle;

epsRet = epas_CreateContext(&handle,0,EPAS_API_VERSION);
if(FT_SUCCESS != epsRet)
    return ERROR;
.
.
.

See Also

epas_DeleteContext