This function selects the current device within the Data Source (camera, storage, etc.).

Declaration:

AT_ERRCOUNT ACCUAPI IG_TWAIN_file_change_dir(
        LPCSTR lpszDirName
);

Arguments:

Return Value:

Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.

Supported Raster Image Formats:

This function does not process image pixels.

Remarks:

• If the device is a IG_TW_FY_DOMAIN, then this command enters a directory that can contain IG_TW_FY_HOST files.
• If the device is a IG_TW_FY_HOST, then this command enters a directory that can contain IG_TW_FY_DIRECTORY files.
• If the device is a IG_TW_FY_DIRECTORY, then this command enters a directory that can contain IG_TW_FY_DIRECTORY or IG_TW_FY_IMAGE files.

Use IG_TWAIN_source_open() to select the desired Data Source.