IsAvailable method (Twain Control)

C++ Builder example

Delphi 4.0 example

 

Builder Syntax

L_BOOL IsAvailable(L_HANDLE hWind);

Delphi Syntax

Function IsAvailable (hWind: L_HANDLE ): L_BOOL;

Overview

Refer to Managing the TWAIN Source.

Remarks

Determines whether a TWAIN source is installed. Possible values are:

Setting

Description

TRUE

At least one TWAIN source is installed.

FALSE

No TWAIN source is installed.

You can use this method when deciding whether to enable or disable TWAIN menu items.

See Also

Elements:

Acquire method, InitSession method, EndSession method, OpenTemplateFile method, CloseTemplateFile method, ShowTemplateDlg method, AddCapabilityToFile method, GetNumOfCapsInFile method, GetCapabilityFromFile method.

Topics:

TWAIN Functionality: Images.