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TwainRangeCapability Class
See Also  Members   Example 
Leadtools.Twain Namespace : TwainRangeCapability Class



Represents a container of type TW_RANGE.

Syntax

Visual Basic (Declaration) 
Public Class TwainRangeCapability
Visual Basic (Usage)Copy Code
Dim instance As TwainRangeCapability
C# 
public class TwainRangeCapability
C++/CLI 
public ref class TwainRangeCapability

Example

Visual BasicCopy Code
Public Sub TwainRangeCapabilityExample(ByVal parent As IWin32Window)
   Dim session As TwainSession = New TwainSession()
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None)

   Dim twCap As TwainCapability = New TwainCapability()

   twCap.Information.ContainerType = TwainContainerType.Range
   twCap.Information.Type = TwainCapabilityType.ImageJpegQuality

   twCap.RangeCapability.ItemType = TwainItemType.Int16
   twCap.RangeCapability.CurrentValue = TwainCapabilityValue.JpegQualityMedium

   twCap.RangeCapability.MinimumValue = 0
   twCap.RangeCapability.MaximumValue = 50

   twCap.RangeCapability.StepSize = 10

   session.SetCapability(twCap, TwainSetCapabilityMode.Set)
   session.Shutdown()
End Sub
C#Copy Code
public void TwainRangeCapabilityExample(IWin32Window parent) 
{ 
   TwainSession session = new TwainSession(); 
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None); 
 
   TwainCapability twCap = new TwainCapability(); 
 
   twCap.Information.ContainerType = TwainContainerType.Range; 
   twCap.Information.Type = TwainCapabilityType.ImageJpegQuality; 
 
   twCap.RangeCapability.ItemType = TwainItemType.Int16; 
   twCap.RangeCapability.CurrentValue = TwainCapabilityValue.JpegQualityMedium; 
 
   twCap.RangeCapability.MinimumValue = 0; 
   twCap.RangeCapability.MaximumValue = 50; 
 
   twCap.RangeCapability.StepSize = 10; 
 
   session.SetCapability(twCap, TwainSetCapabilityMode.Set); 
   session.Shutdown(); 
}

Remarks

For more information about TW_RANGE containers, refer to the TWAIN Specification (Version 2.0) at http://www.twain.org.
For more information, refer to How to Work with the Container.

Inheritance Hierarchy

System.Object
   Leadtools.Twain.TwainRangeCapability

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also