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Stop Property

Summary
Enables or disables firing the WiaSession.EnumFormatsEvent event.

Syntax
C#
C++/CLI
Python
public bool Stop { get; set; } 
public: 
property bool Stop { 
   bool get(); 
   void set (    bool ); 
} 
Stop # get and set (WiaEnumFormatsEventArgs) 

Property Value

true: continue firing EnumFormatsEvent event, false: stop firing EnumFormatsEvent event.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Wia; 
 
 
       
public void EnumFormatsExample(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.EnumFormatsEvent += new EventHandler<WiaEnumFormatsEventArgs>(wiaSession_EnumFormatsEvent); 
 
   object rootItem = wiaSession.GetRootItem(null); 
   if (rootItem != null) 
   { 
      wiaSession.EnumFormats(rootItem, WiaEnumFormatsFlags.None); 
   } 
 
   wiaSession.EnumFormatsEvent -= new EventHandler<WiaEnumFormatsEventArgs>(wiaSession_EnumFormatsEvent); 
 
   wiaSession.Shutdown(); 
} 
 
void wiaSession_EnumFormatsEvent(object sender, WiaEnumFormatsEventArgs e) 
{ 
   string strMsg = string.Empty; 
 
   strMsg = string.Format("WIA Formats count = {0}\n", e.FormatsCount); 
   Console.WriteLine(strMsg); 
 
   // print out the received formats into the console window. 
   if (e.FormatsCount > 0) 
   { 
      Guid formatGuid = WiaSession.GetFormatGuid(e.Format); 
      strMsg = string.Format("WIA Format: {0}\nWIA Format Transfer Mode: {1}\nWIA Format Guid: \n\n", e.Format.ToString(), e.TransferMode.ToString(), formatGuid); 
      Console.WriteLine(strMsg); 
   } 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Wia Assembly

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