Once DLL is loaded, you can do whatever you need. Some stuff not implemented yet as I dont need it.

void COlyCam::LoadDLL() { HMODULE hModule; hModule = GetModuleHandle(DLL_NAME); if (hModule) { hLibrary=NULL; m_initialized=FALSE; return; } hLibrary = LoadLibrary(DLL_NAME ); // Load the DLL now if (hLibrary != NULL) { DLL_control_lcd = (lpF6) GetProcAddress(hLibrary, "_Cam_control_lcd@8"); //DLL_diag_lcd_disp = (lpF1) GetProcAddress(hLibrary, "_Cam_diag_lcd_disp@4"); DLL_erase_all = (lpF1) GetProcAddress(hLibrary, "_Cam_erase_all@0"); DLL_erase_folder = (lpF2) GetProcAddress(hLibrary, "_Cam_erase_folder@4"); DLL_erase_last = (lpF1) GetProcAddress(hLibrary, "_Cam_erase_last@0"); DLL_erase_opf = (lpF2) GetProcAddress(hLibrary, "_Cam_erase_opf@4"); DLL_erase_select = (lpF2) GetProcAddress(hLibrary, "_Cam_erase_select@4"); DLL_error = (lpF1) GetProcAddress(hLibrary, "_Cam_error@0"); //DLL_execute_diag = (lpF1) GetProcAddress(hLibrary, "_Cam_execute_diag@4"); DLL_format_memory_card = (lpF2) GetProcAddress(hLibrary, "_Cam_format_memory_card@4"); DLL_get_audio = (lpF1) GetProcAddress(hLibrary, "_Cam_get_audio@0"); DLL_get_audio_buffer = (lpF7) GetProcAddress(hLibrary, "_Cam_get_audio_buffer@8"); DLL_get_audio_size = (lpF2) GetProcAddress(hLibrary, "_Cam_get_audio_size@4"); DLL_get_battery_status = (lpF1) GetProcAddress(hLibrary, "_Cam_get_battery_status@0"); DLL_get_beep_mode = (lpF1) GetProcAddress(hLibrary, "_Cam_get_beep_mode@0"); DLL_get_cam_type = (lpF3) GetProcAddress(hLibrary, "_Cam_get_cam_type@4"); DLL_get_cgain = (lpF1) GetProcAddress(hLibrary, "_Cam_get_cgain@0"); DLL_get_color_bal = (lpF3) GetProcAddress(hLibrary, "_Cam_get_color_bal@4"); DLL_get_color_mode = (lpF1) GetProcAddress(hLibrary, "_Cam_get_color_mode@0"); DLL_get_com_handle = (lpF1) GetProcAddress(hLibrary, "_Cam_get_com_handle@0"); DLL_get_compression = (lpF1) GetProcAddress(hLibrary, "_Cam_get_compression@0"); DLL_get_current_setting = (lpF3) GetProcAddress(hLibrary, "_Cam_get_current_setting@4"); DLL_get_current_setting_2 = (lpF3) GetProcAddress(hLibrary, "_Cam_get_current_setting_2@4"); DLL_get_datablock_size = (lpF1) GetProcAddress(hLibrary, "_Cam_get_datablock_size@0"); //DLL_get_diag_awb_info = (lpF1) GetProcAddress(hLibrary, "_Cam_get_diag_awb_info@4"); //DLL_get_diag_buffer = (lpF1) GetProcAddress(hLibrary, "_Cam_get_diag_buffer@4"); //DLL_get_diag_camera_info = (lpF1) GetProcAddress(hLibrary, "_Cam_get_diag_camera_info@4"); //DLL_get_diag_info = (lpF1) GetProcAddress(hLibrary, "_Cam_get_diag_info@4"); //DLL_get_diag_lcd_info = (lpF1) GetProcAddress(hLibrary, "_Cam_get_diag_lcd_info@4"); //DLL_get_diag_lens_info = (lpF1) GetProcAddress(hLibrary, "_Cam_get_diag_lens_info@4"); //DLL_get_diag_long = (lpF1) GetProcAddress(hLibrary, "_Cam_get_diag_long@0"); DLL_get_digital_zoom = (lpF1) GetProcAddress(hLibrary, "_Cam_get_digital_zoom@0"); DLL_get_exposure = (lpF1) GetProcAddress(hLibrary, "_Cam_get_exposure@0"); DLL_get_exposure_bias = (lpF3) GetProcAddress(hLibrary, "_Cam_get_exposure_bias@4"); DLL_get_flash_mode = (lpF1) GetProcAddress(hLibrary, "_Cam_get_flash_mode@0"); DLL_get_focal_length = (lpF3) GetProcAddress(hLibrary, "_Cam_get_focal_length@4"); DLL_get_focus = (lpF1) GetProcAddress(hLibrary, "_Cam_get_focus@0"); DLL_get_folder_info = (lpF4) GetProcAddress(hLibrary, "_Cam_get_folder_info@8"); DLL_get_folder_name = (lpF7) GetProcAddress(hLibrary, "_Cam_get_folder_name@8"); DLL_get_folder_number = (lpF1) GetProcAddress(hLibrary, "_Cam_get_folder_number@0"); DLL_get_free_mem = (lpF1) GetProcAddress(hLibrary, "_Cam_get_free_mem@0"); //DLL_get_function_available = (lpF1) GetProcAddress(hLibrary, "_Cam_get_function_available@4"); DLL_get_id = (lpF3) GetProcAddress(hLibrary, "_Cam_get_id@4"); DLL_get_iso_speed_ratings = (lpF1) GetProcAddress(hLibrary, "_Cam_get_iso_speed_ratings@0"); DLL_get_last_setting = (lpF1) GetProcAddress(hLibrary, "_Cam_get_last_setting@0"); DLL_get_lcd = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd@0"); DLL_get_lcd_brightness = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_brightness@0"); DLL_get_lcd_contrast = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_contrast@0"); DLL_get_lcd_date_format = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_date_format@0"); DLL_get_lcd_disp_direction = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_disp_direction@0"); DLL_get_lcd_disp_language = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_disp_language@0"); DLL_get_lcd_picture_number = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_picture_number@0"); DLL_get_lcd_power_down = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_power_down@0"); //DLL_get_lcd_power_down_2 = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_power_down_2@8"); DLL_get_lcd_select_count = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_select_count@0"); //DLL_get_lcd_select_pictures = (lpF1) GetProcAddress(hLibrary, "_Cam_get_lcd_select_pictures@4"); DLL_get_light_source = (lpF1) GetProcAddress(hLibrary, "_Cam_get_light_source@0"); DLL_get_maker = (lpF3) GetProcAddress(hLibrary, "_Cam_get_maker@4"); DLL_get_memory_info = (lpF3) GetProcAddress(hLibrary, "_Cam_get_memory_info@4"); DLL_get_memory_select = (lpF1) GetProcAddress(hLibrary, "_Cam_get_memory_select@0"); DLL_get_memory_status = (lpF1) GetProcAddress(hLibrary, "_Cam_get_memory_status@0"); DLL_get_metering_mode = (lpF1) GetProcAddress(hLibrary, "_Cam_get_metering_mode@0"); DLL_get_opf_count = (lpF1) GetProcAddress(hLibrary, "_Cam_get_opf_count@0"); //DLL_get_opf_info = (lpF1) GetProcAddress(hLibrary, "_Cam_get_opf_info@8"); DLL_get_packet_delay = (lpF1) GetProcAddress(hLibrary, "_Cam_get_packet_delay@0"); DLL_get_picture_audio_buffer = (lpF8) GetProcAddress(hLibrary, "_Cam_get_picture_audio_buffer@12"); DLL_get_picture_buffer = (lpF7) GetProcAddress(hLibrary, "_Cam_get_picture_buffer@8"); DLL_get_picture_count = (lpF1) GetProcAddress(hLibrary, "_Cam_get_picture_count@0"); DLL_get_picture_file = (lpF6) GetProcAddress(hLibrary, "_Cam_get_picture_file@8"); DLL_get_picture_file_name = (lpF7) GetProcAddress(hLibrary, "_Cam_get_picture_file_name@8"); DLL_get_picture_info = (lpF4) GetProcAddress(hLibrary, "_Cam_get_picture_info@8"); //DLL_get_picture_info_tag = (lpF1) GetProcAddress(hLibrary, "_Cam_get_picture_info_tag@8"); DLL_get_picture_size = (lpF2) GetProcAddress(hLibrary, "_Cam_get_picture_size@4"); DLL_get_protect_mode = (lpF2) GetProcAddress(hLibrary, "_Cam_get_protect_mode@4"); //DLL_get_pwr_down = (lpF1) GetProcAddress(hLibrary, "_Cam_get_pwr_down@8"); DLL_get_raw_file = (lpF6) GetProcAddress(hLibrary, "_Cam_get_raw_file@8"); DLL_get_remaining_count = (lpF1) GetProcAddress(hLibrary, "_Cam_get_remaining_count@0"); DLL_get_resolution = (lpF1) GetProcAddress(hLibrary, "_Cam_get_resolution@0"); DLL_get_serial_no = (lpF3) GetProcAddress(hLibrary, "_Cam_get_serial_no@4"); DLL_get_session_time = (lpF1) GetProcAddress(hLibrary, "_Cam_get_session_time@0"); DLL_get_sharpness = (lpF1) GetProcAddress(hLibrary, "_Cam_get_sharpness@0"); DLL_get_special_function = (lpF1) GetProcAddress(hLibrary, "_Cam_get_special_function@0"); DLL_get_state = (lpF1) GetProcAddress(hLibrary, "_Cam_get_state@0"); DLL_get_take_picture_info = (lpF3) GetProcAddress(hLibrary, "_Cam_get_take_picture_info@4"); DLL_get_thumbnail_buffer = (lpF7) GetProcAddress(hLibrary, "_Cam_get_thumbnail_buffer@8"); DLL_get_thumbnail_file = (lpF6) GetProcAddress(hLibrary, "_Cam_get_thumbnail_file@8"); DLL_get_thumbnail_size = (lpF2) GetProcAddress(hLibrary, "_Cam_get_thumbnail_size@4"); DLL_get_time = (lpF3) GetProcAddress(hLibrary, "_Cam_get_time@4"); DLL_get_time_value = (lpF1) GetProcAddress(hLibrary, "_Cam_get_time_value@0"); DLL_get_tone_curve = (lpF1) GetProcAddress(hLibrary, "_Cam_get_tone_curve@0"); DLL_get_version = (lpF3) GetProcAddress(hLibrary, "_Cam_get_version@4"); DLL_get_ygain = (lpF1) GetProcAddress(hLibrary, "_Cam_get_ygain@0"); //DLL_load_file_data = (lpF1) GetProcAddress(hLibrary, "_Cam_load_file_data@8"); //DLL_load_firmware = (lpF1) GetProcAddress(hLibrary, "_Cam_load_firmware@4"); //DLL_load_opf_data = (lpF1) GetProcAddress(hLibrary, "_Cam_load_opf_data@8"); //DLL_load_picture_data = (lpF1) GetProcAddress(hLibrary, "_Cam_load_picture_data@8"); DLL_protect_picture = (lpF6) GetProcAddress(hLibrary, "_Cam_protect_picture@8"); //DLL_push_comm_open = (lpF1) GetProcAddress(hLibrary, "_Cam_push_comm_open@8"); DLL_pwr_off = (lpF1) GetProcAddress(hLibrary, "_Cam_pwr_off@0"); DLL_ready = (lpF1) GetProcAddress(hLibrary, "_Cam_ready@0"); //DLL_record_audio = (lpF2) GetProcAddress(hLibrary, "_Cam_record_audio@4"); DLL_reset_dll = (lpF1) GetProcAddress(hLibrary, "_Cam_reset_dll@0"); DLL_session_enabled = (lpF2) GetProcAddress(hLibrary, "_Cam_session_enabled@4"); DLL_set_audio = (lpF2) GetProcAddress(hLibrary, "_Cam_set_audio@4"); DLL_set_beep_mode = (lpF2) GetProcAddress(hLibrary, "_Cam_set_beep_mode@4"); DLL_set_cgain = (lpF2) GetProcAddress(hLibrary, "_Cam_set_cgain@4"); DLL_set_color_bal = (lpF2) GetProcAddress(hLibrary, "_Cam_set_color_bal@4"); DLL_set_color_mode = (lpF2) GetProcAddress(hLibrary, "_Cam_set_color_mode@4"); DLL_set_compression = (lpF2) GetProcAddress(hLibrary, "_Cam_set_compression@4"); DLL_set_datablock_size = (lpF2) GetProcAddress(hLibrary, "_Cam_set_datablock_size@4"); //DLL_set_debug = (lpF2) GetProcAddress(hLibrary, "_Cam_set_debug@4"); //DLL_set_default_params = (lpF1) GetProcAddress(hLibrary, "_Cam_set_default_params@4"); //DLL_set_diag_awb_info = (lpF1) GetProcAddress(hLibrary, "_Cam_set_diag_awb_info@4"); //DLL_set_diag_buffer = (lpF1) GetProcAddress(hLibrary, "_Cam_set_diag_buffer@8"); //DLL_set_diag_long = (lpF1) GetProcAddress(hLibrary, "_Cam_set_diag_long@4"); DLL_set_digital_zoom = (lpF2) GetProcAddress(hLibrary, "_Cam_set_digital_zoom@4"); DLL_set_exposure = (lpF2) GetProcAddress(hLibrary, "_Cam_set_exposure@4"); DLL_set_exposure_bias = (lpF2) GetProcAddress(hLibrary, "_Cam_set_exposure_bias@4"); DLL_set_flash_mode = (lpF2) GetProcAddress(hLibrary, "_Cam_set_flash_mode@4"); DLL_set_focal_length = (lpF3) GetProcAddress(hLibrary, "_Cam_set_focal_length@4"); DLL_set_focus = (lpF2) GetProcAddress(hLibrary, "_Cam_set_focus@4"); DLL_set_folder_name = (lpF3) GetProcAddress(hLibrary, "_Cam_set_folder_name@4"); DLL_set_id = (lpF3) GetProcAddress(hLibrary, "_Cam_set_id@4"); DLL_set_iso_speed_ratings = (lpF2) GetProcAddress(hLibrary, "_Cam_set_iso_speed_ratings@4"); DLL_set_last_setting = (lpF2) GetProcAddress(hLibrary, "_Cam_set_last_setting@4"); DLL_set_lcd_brightness = (lpF2) GetProcAddress(hLibrary, "_Cam_set_lcd_brightness@4"); DLL_set_lcd_contrast = (lpF2) GetProcAddress(hLibrary, "_Cam_set_lcd_contrast@4"); DLL_set_lcd_date_format = (lpF2) GetProcAddress(hLibrary, "_Cam_set_lcd_date_format@4"); DLL_set_lcd_disp_direction = (lpF2) GetProcAddress(hLibrary, "_Cam_set_lcd_disp_direction@4"); DLL_set_lcd_disp_language = (lpF2) GetProcAddress(hLibrary, "_Cam_set_lcd_disp_language@4"); DLL_set_lcd_power_down = (lpF2) GetProcAddress(hLibrary, "_Cam_set_lcd_power_down@4"); //DLL_set_lcd_power_down_2 = (lpF1) GetProcAddress(hLibrary, "_Cam_set_lcd_power_down_2@8"); DLL_set_lcd_string = (lpF3) GetProcAddress(hLibrary, "_Cam_set_lcd_string@4"); DLL_set_light_source = (lpF2) GetProcAddress(hLibrary, "_Cam_set_light_source@4"); DLL_set_memory_select = (lpF2) GetProcAddress(hLibrary, "_Cam_set_memory_select@4"); DLL_set_metering_mode = (lpF2) GetProcAddress(hLibrary, "_Cam_set_metering_mode@4"); DLL_set_packet_delay = (lpF2) GetProcAddress(hLibrary, "_Cam_set_packet_delay@4"); DLL_set_port = (lpF2) GetProcAddress(hLibrary, "_Cam_set_port@4"); //DLL_set_pwr_down = (lpF1) GetProcAddress(hLibrary, "_Cam_set_pwr_down@8"); DLL_set_resolution = (lpF2) GetProcAddress(hLibrary, "_Cam_set_resolution@4"); DLL_set_session_time = (lpF2) GetProcAddress(hLibrary, "_Cam_set_session_time@4"); DLL_set_sharpness = (lpF2) GetProcAddress(hLibrary, "_Cam_set_sharpness@4"); DLL_set_special_function = (lpF2) GetProcAddress(hLibrary, "_Cam_set_special_function@4"); DLL_set_speed = (lpF2) GetProcAddress(hLibrary, "_Cam_set_speed@4"); //DLL_set_take_picture_info = (lpF1) GetProcAddress(hLibrary, "_Cam_set_take_picture_info@4"); DLL_set_time = (lpF2) GetProcAddress(hLibrary, "_Cam_set_time@4"); DLL_set_timer_led = (lpF2) GetProcAddress(hLibrary, "_Cam_set_timer_led@4"); //DLL_set_tone_curve = (lpF1) GetProcAddress(hLibrary, "_Cam_set_tone_curve@4"); DLL_set_ygain = (lpF2) GetProcAddress(hLibrary, "_Cam_set_ygain@4"); DLL_setup_callback = (lpF7) GetProcAddress(hLibrary, "_Cam_setup_callback@8"); //DLL_setup_monitor = (lpF1) GetProcAddress(hLibrary, "_Cam_setup_monitor@4"); //DLL_store_pic = (lpF1) GetProcAddress(hLibrary, "_Cam_store_pic@4"); DLL_take_pic = (lpF1) GetProcAddress(hLibrary, "_Cam_take_pic@0"); DLL_take_preview = (lpF1) GetProcAddress(hLibrary, "_Cam_take_preview@0"); //DLL_write_loaded_data = (lpF1) GetProcAddress(hLibrary, "_Cam_write_loaded_data@0"); //DLL_ComClose = (lpF1) GetProcAddress(hLibrary, "_ComClose@4"); //DLL_ComGetHandle = (lpF1) GetProcAddress(hLibrary, "_ComGetHandle@4"); //DLL_ComOpen = (lpF1) GetProcAddress(hLibrary, "_ComOpen@32"); //DLL_ComPutc = (lpF1) GetProcAddress(hLibrary, "_ComPutc@8"); //DLL_ComReadBufToQuiet = (lpF1) GetProcAddress(hLibrary, "_ComReadBufToQuiet@16"); //DLL_ComReadTimed = (lpF1) GetProcAddress(hLibrary, "_ComReadTimed@16"); //DLL_ComSetBaud = (lpF1) GetProcAddress(hLibrary, "_ComSetBaud@8"); //DLL_ComSetFlow = (lpF1) GetProcAddress(hLibrary, "_ComSetFlow@8"); //DLL_ComSleepMS = (lpF1) GetProcAddress(hLibrary, "_ComSleepMS@8"); //DLL_ComUsbOpen = (lpF1) GetProcAddress(hLibrary, "_ComUsbOpen@12"); //DLL_ComWrite = (lpF1) GetProcAddress(hLibrary, "_ComWrite@12"); // end of init section DLL_reset_dll(); } m_initialized=TRUE; } int COlyCam::dll_loaded() { if (hLibrary != NULL) return TRUE; else return FALSE; } COlyCam::COlyCam() { m_initialized=FALSE; m_port=0; // USB m_speed=0; // LoadDLL(); pcl = new CObList( 20); } COlyCam::~COlyCam() { void Stop(); if (dll_loaded()) { DLL_reset_dll(); FreeLibrary( hLibrary); // Unload DLL from memory } } // Number of Exported Functions = 0166 (decimal) // Addr:100041C0 Ord: 1 (0001h) Name: _control_lcd@8 int COlyCam::control_lcd(int iControl, int iPicIndex) { m_error = DLL_control_lcd( iControl, iPicIndex); m_control_lcd = iControl; m_control_lcd_pic = iPicIndex; return m_error; } // Addr:10004FA7 Ord: 2 (0002h) Name: _diag_lcd_disp@4 // Addr:10003E51 Ord: 3 (0003h) Name: _erase_all@0 int COlyCam::erase_all() { m_error = DLL_erase_all(); if (!m_error) m_picture_count=0; return m_error; } // Addr:10003C4A Ord: 4 (0004h) Name: _erase_folder@4 int COlyCam::erase_folder(int iFolder) { m_error = DLL_erase_folder( iFolder); return m_error; } // Addr:10003E3B Ord: 5 (0005h) Name: _erase_last@0 int COlyCam::erase_last() { m_error = DLL_erase_last(); return m_error; } // Addr:1000577B Ord: 6 (0006h) Name: _erase_opf@4 int COlyCam::erase_opf(int iIndex) { m_error = DLL_erase_opf( iIndex); return m_error; } // Addr:10003ED9 Ord: 7 (0007h) Name: _erase_select@4 int COlyCam::erase_select(int iPicture) { m_error = DLL_erase_select( iPicture); return m_error; } // Addr:100011BE Ord: 8 (0008h) Name: _error@0 int COlyCam::error() { m_error = DLL_error(); return m_error; } ....

To be continued.