ShowDefaultDeviceSelectionDialog() Method (DeviceManager)

In This Topic

Displays the default TWAIN device selection dialog so the user can change the default TWAIN device.

Syntax

'Declaration

Public Function ShowDefaultDeviceSelectionDialog() As Boolean

public bool ShowDefaultDeviceSelectionDialog()

public: bool ShowDefaultDeviceSelectionDialog()

public:
bool ShowDefaultDeviceSelectionDialog()

true - if the user has pressed the "Ok" button,
false - if an error occured or if the user has pressed the "Cancel" button.

Exceptions

Exception	Description
TwainInvalidStateException	Thrown if TWAIN device manager is not open.
System.ObjectDisposedException	Thrown if TWAIN device manager is disposed.
DebuggerException	Thrown if .NET debugger is used and the function evaluation requires all threads to run.

Example

Please see example here: DeviceManager.

Requirements

Target Platforms: .NET 8, .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

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