-2.14 Save scanner setting into specified fileFunction Description:Save the current settings to file. The file takes “*.USI” as extension name.Function call:BOOL USI_SaveSettingsToFile(LPCTSTR filename)Parameter: (input)filename : LPCTSTR: file name for setting profileReturn:TRUE: Success,FALSE: Fail2.15 Change scanner setting from specified setting profileFunction Description:Load and activate the settings from file.Function call:BOOL USI_LoadSettingsFromFile(LPCTSTR filename, BOOL formulaOnly);Parameter: (input)filename: LPCTSTR : name of scanner setting profile (*.USI)formulaOnly: BOOL: if TRUE, only data editing formulas are load. The other settingsremain unchangedReturn:TRUE: Success,FALSE: Fail2.16 Automatically enable scanner beam with pressing trigger keyFunction Description:Start auto scanning. Scan engine will be automatically triggerrd on.Function call:BOOL USI_StartAutoScan(DWORD interval);Parameter: (input)interval: DWORD: Specifies the interval in milli-secondReturn:TRUE: Success,FALSE: FailNote:USI will call the function SetScannerOn function exported by the DLL defined in the registrydescribed below (UPI300.DLL is an example) to start and stop the scanner. If the DLL is notdefined or the function is not found, then auto scanning is not available.[HKEY_LOCAL_MACHINE\SOFTWARE\Unitech America Inc.\Scanner\Settings]"DLLSCANNERCONTROL"="UPI300.DLL"The function prototype of SetScannerOn is:VOID WINAPI SetScannerOn(BOOL fon);Start when fon is TRUE, and stop when fon is FALSE.
