This method will attempt to open a connection to the device and will return true if
it was successful. It's preferred to use this method instead of the Open() method.
The Close() method must be called when you are finished using the device.
Namespace:
Atalasoft.Twain
Assembly:
Atalasoft.DotTwain (in Atalasoft.DotTwain.dll) Version: 11.5.0.0.0.156 (.NET 4.6.2, x86)
Syntax Public Function TryOpen As Boolean
Return Value
Type:
Boolean True if the device connection was a success.
Remarks This method will suppress exceptions and instead return true or false to
indicate if the device was already open or has been successfully opened.
Examples if (this.device.TryOpen())
{
this.device.Resolution = new TwainResolution(200, 200);
this.device.HideInterface = true;
this.device.Acquire();
}
If Me.device.TryOpen() Then
Me.device.Resolution = New TwainResolution(200, 200)
Me.device.HideInterface = True
Me.device.Acquire()
End If
See Also