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ScanningManager.SetClientWindowHandle method

This method accepts a window handle over which all dialogs/message boxes will be displayed.

Do not invoke this method for Internet Explorer hosted solutions such as web pages. The browser’s currently active tab (or frame in case of Internet Explorer 6) automatically provides a secure window handle.

This affects the following methods:

Valid

See Scanning Manager States and Valid Properties/Methods

See ScanningManager Events and Valid Properties/Methods

IDL

HRESULT SetClientWindowHandle([in] long whnd);

Input Parameters

Whnd

Type: long

The window handle of the window being used by the solution program. The behavior using a window handle is as follows:

The Scanner Error dialog and/or Diagnose window is placed in front of all windows and is modal.

-1 = Desktop modal

NOTE: This setting is not valid if you are using Windows 7.

The behavior using this is as follows:

The Scanner Error dialog is placed in front of all windows and is NOT modal. If the application window is clicked on when the Scanner Error dialog displayed, the Scanner Error dialog remains on top of the application window.

Exceptions

Scanning Services Exceptions

See also

How to Implement Event Driven Scanning

How to Diagnose a Scanner

How to Manage the Connection to ScanTools Plus Link Runtime

 

 

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