Provides support for getting extra image information.
Object Model
Syntax
Visual Basic (Declaration) | |
---|
Public Class TwainExtraImageInformation
Implements IDisposable |
C# | |
---|
public class TwainExtraImageInformation : IDisposable |
C++/CLI | |
---|
public ref class TwainExtraImageInformation : public IDisposable |
Example
Visual Basic | Copy Code |
---|
Public Sub TwainExtraImageInformationConstructorExample(ByVal parent As IWin32Window)
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 |
C# | Copy Code |
---|
public void TwainExtraImageInformationConstructorExample(IWin32Window parent)
{
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();
} |
Inheritance Hierarchy
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7
See Also