Leadtools TWAIN(Leadtools.Twainアセンブリ)

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TwainExtraImageInformationクラス






メンバ 
サポートを追加の画像情報を取得するために提供します。
オブジェクトモデル
構文
public class TwainExtraImageInformation : System.IDisposable  
'Declaration
 
Public Class TwainExtraImageInformation 
   Implements System.IDisposable 
'Usage
 
Dim instance As TwainExtraImageInformation

            

            
public ref class TwainExtraImageInformation : public System.IDisposable  
サンプル
Copy Code  
Imports Leadtools
 Imports Leadtools.Twain

#If Not LEADTOOLS_V19_OR_LATER Then
      Public Sub TwainExtraImageInformationConstructorExample(ByVal parent As IWin32Window)
#Else
      Public Sub TwainExtraImageInformationConstructorExample(ByVal parent As IntPtr)
#End If ' #If LEADTOOLS_V19_OR_LATER Then
         Dim session As TwainSession = New TwainSession()
         session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None)

         Dim extraImgInfo As TwainExtraImageInformation = New TwainExtraImageInformation(2)
         Try
            extraImgInfo.GetInformation(0).InfoId = TwainExtendedImage.BarcodeCount
            extraImgInfo.GetInformation(0).ItemType = TwainItemType.Uint32
            extraImgInfo.GetInformation(0).ConditionCode = TwainConditionCode.Success
            extraImgInfo.GetInformation(1).InfoId = TwainExtendedImage.BarcodeType
            extraImgInfo.GetInformation(1).ItemType = TwainItemType.Uint32
            session.UpdateExtraImageInformation(extraImgInfo)
            '.
            '. Do processing to returned values
            '.
         Catch ex As Exception
            MessageBox.Show(ex.Message)
         Finally
            extraImgInfo.Dispose()
         End Try

         session.Shutdown()
      End Sub
using Leadtools;
 using Leadtools.Twain;

#if !LEADTOOLS_V19_OR_LATER
      public void TwainExtraImageInformationConstructorExample(IWin32Window parent)
#else
      public void TwainExtraImageInformationConstructorExample(IntPtr parent)
#endif // #if !LEADTOOLS_V19_OR_LATER
      {
         TwainSession session = new TwainSession();
         session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None);
         TwainExtraImageInformation extraImgInfo = new TwainExtraImageInformation(2);
         try
         {
            extraImgInfo.GetInformation(0).InfoId = TwainExtendedImage.BarcodeCount;
            extraImgInfo.GetInformation(0).ItemType = TwainItemType.Uint32;
            extraImgInfo.GetInformation(0).ConditionCode = TwainConditionCode.Success;
            extraImgInfo.GetInformation(1).InfoId = TwainExtendedImage.BarcodeType;
            extraImgInfo.GetInformation(1).ItemType = TwainItemType.Uint32;
            session.UpdateExtraImageInformation(extraImgInfo);
            //.
            //. Do processing to returned values
            //.
         }
         catch(Exception ex)
         {
            MessageBox.Show(ex.Message);
         }
         finally
         {
            extraImgInfo.Dispose();
         }

         session.Shutdown();
      }
必要条件

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参照

参照

TwainExtraImageInformationメンバ
Leadtools.Twain名前空間
Acquireメソッド
UpdateExtraImageInformationメソッド