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  • Displaying the result in a list box or in a combo box
  • Prerequisites in Windows 2008 64-bit server
  • Operating mode in the 64-bit applications
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
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WINDEV Mobile
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Others
Stored procedures
Returns the list of drivers for the Twain devices connected to the current computer.
Note: TwainCurrentSource allows you to find out the Twain device used by default by the Twain functions.
Example
// Displays the list of drivers for the Twain devices
// found on the current computer in LIST_DeviceDrivers
ListAdd(LIST_DeviceDrivers, TwainListSource())
Syntax
<Result> = TwainListSource()
<Result>: Character string
Returns the list of drivers for the Twain devices installed on the current computer, in the following format:
<Name of Driver 1> + CR + <Name of of Driver N>
Remarks

Displaying the result in a list box or in a combo box

<Result> can be directly assigned to a list box or to a combo box by ListAdd. Each line will contain the name of the driver corresponding to each Twain device installed on the current computer.

Prerequisites in Windows 2008 64-bit server

For a 32-bit application that must perform a digitize operation in Windows 2008 64-bit server, the "User experience" feature of Windows is required. To add this feature:
  1. Select the features of the server manager.
  2. Click "Add a feature".
  3. Check "User experience" (or "Desktop experience" for a Windows in English).
  4. The server is restarted at the end of setup.

Operating mode in the 64-bit applications

In a 64-bit application, this function will automatically use the 64-bit Twain driver. The TWAIN cannot be used if this driver is not installed.
Components
WINDEVReports and Queries wd230std.dll
Minimum required version
  • Version 9
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