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WiaEnumDevicesEventArgs Class

Summary
Provides data for the WiaSession.EnumDevicesEvent event.

Syntax
C#
C++/CLI
Python
public class WiaEnumDevicesEventArgs : EventArgs 
public ref class WiaEnumDevicesEventArgs : public System.EventArgs  
class WiaEnumDevicesEventArgs(EventArgs): 
Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Wia; 
 
 
       
public void EnumDevicesExample(IntPtr parent) 
{ 
   if (!WiaSession.IsAvailable(WiaVersion.Version1)) 
   { 
      Console.WriteLine("WIA version 1.0 not installed."); 
      return; 
   } 
 
   WiaSession wiaSession = new WiaSession(); 
   wiaSession.Startup(WiaVersion.Version1); 
 
   DialogResult res = wiaSession.SelectDeviceDlg(parent, WiaDeviceType.Default, WiaSelectSourceFlags.NoDefault); 
   if (res != DialogResult.OK) 
   { 
      Console.WriteLine("Error selecting WIA device."); 
      wiaSession.Shutdown(); 
      return; 
   } 
 
   wiaSession.EnumDevicesEvent += new EventHandler<WiaEnumDevicesEventArgs>(wiaSession_EnumDevicesEvent); 
 
   Console.WriteLine("Available WIA Devices:\n"); 
   wiaSession.EnumDevices(); 
 
   wiaSession.EnumDevicesEvent -= new EventHandler<WiaEnumDevicesEventArgs>(wiaSession_EnumDevicesEvent); 
 
   wiaSession.Shutdown(); 
} 
 
void wiaSession_EnumDevicesEvent(object sender, WiaEnumDevicesEventArgs e) 
{ 
   string strMsg = string.Empty; 
 
   // print out some information about each device found into the console window. 
   strMsg = string.Format("\tDevice Name: {0}\n\tDevice Id: {1}\n\tDevice Description: {2}\n\n", e.DeviceName, e.DeviceID, e.DeviceDesc); 
   Console.WriteLine(strMsg); 
} 
Requirements

Target Platforms

Help Version 22.0.2023.3.31
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Wia Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.