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ImageEffects Property

Summary

Gets or sets image effects data properties for the current data source

Syntax

C#
VB
C++
public TwainImageEffectsProperties ImageEffects { get; set; } 
Public Property ImageEffects As Leadtools.Twain.TwainImageEffectsProperties 

Property Value

TwainImageEffects structure contains Image effects data class.

Remarks

This property should be called after calling get Properties property After you update this structure items, you can update the values to data source by calling set Properties property.

Example

C#
VB
using Leadtools; 
using Leadtools.Twain; 
 
public void ImageEffectsPropertyExample(IntPtr parent) 
{ 
   try 
   { 
      TwainSession session = new TwainSession(); 
      session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None); 
 
      TwainProperties props = session.Properties; 
      TwainImageEffectsProperties imageEfx = props.ImageEffects; 
 
      imageEfx.PixelFlavor = TwainImagePixelFlavor.Vanilla; 
      imageEfx.ColorScheme = TwainColorScheme.BlackWhite; 
      imageEfx.Highlight = 50; 
      imageEfx.Shadow = 50; 
      imageEfx.Brightness = 500; 
      imageEfx.Contrast = 100; 
 
      string buffer = string.Format("Current used Halftone = {0}", imageEfx.Halftone); 
      MessageBox.Show(buffer); 
 
      props.ImageEffects = imageEfx; 
      session.Properties = props; 
      session.Shutdown(); 
   } 
   catch (Exception ex) 
   { 
      MessageBox.Show(ex.Message); 
   } 
} 
Imports Leadtools 
Imports Leadtools.Twain 
 
Public Sub ImageEffectsPropertyExample(ByVal parent As IntPtr) 
   Try 
      Dim session As TwainSession = New TwainSession() 
      session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None) 
 
      Dim props As TwainProperties = session.Properties 
      Dim imageEfx As TwainImageEffectsProperties = props.ImageEffects 
 
      imageEfx.PixelFlavor = TwainImagePixelFlavor.Vanilla 
      imageEfx.ColorScheme = TwainColorScheme.BlackWhite 
      imageEfx.Highlight = 50 
      imageEfx.Shadow = 50 
      imageEfx.Brightness = 500 
      imageEfx.Contrast = 100 
 
      Dim buffer As String = String.Format("Current used Halftone = {0}", imageEfx.Halftone) 
      MessageBox.Show(buffer) 
 
      props.ImageEffects = imageEfx 
      session.Properties = props 
      session.Shutdown() 
   Catch ex As Exception 
      MessageBox.Show(ex.Message) 
   End Try 
End Sub 

Requirements

Target Platforms

Help Version 19.0.2017.10.18
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Leadtools.Twain Assembly