AddFromImageFile Method

C#
Visual Basic
Objective-C
Java

public ImageViewerItem AddFromImageFile( 
   string fileName,
   int pageNumber
)

'Declaration

Public Function AddFromImageFile( _
   ByVal fileName As String, _
   ByVal pageNumber As Integer _
) As ImageViewerItem

Parameters

fileName: Disk file containing the image file.
pageNumber: The 1-based page number to load. Use this if fileName contains more than one page. Pass 1 to load the first page found.

Return Value

The newly created item of successful

This method will load the data as a raster image using ImageViewer.RasterCodecsInstance.Load. To load the data as an SVG document, use AddFromSvgFile.

This method allows you to quickly add an item from a disk file. It is the equivalent of the following code:


            ImageViewerItem item = new ImageViewerItem();
            item.Image = imageViewer.RasterCodecsInstance.Load(fileName, pageNumber);
            imageViewer.Items.Add(item);

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Controls
Imports Leadtools.Codecs
Imports Leadtools.Drawing
Imports Leadtools.ImageProcessing
Imports Leadtools.ImageProcessing.Color
Imports Leadtools.Svg

Try
   Dim fileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Ocr1.tif")
   _imageViewer.Items.AddFromImageFile(fileName, 1)
Catch ex As Exception
   MessageBox.Show(ex.Message, "Error")
End Try

Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

using Leadtools;
using Leadtools.Controls;
using Leadtools.Codecs;
using Leadtools.Drawing;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.Svg;

try
{
   string fileName = Path.Combine(LEAD_VARS.ImagesDir, "Ocr1.tif");
   _imageViewer.Items.AddFromImageFile(fileName, 1);
}
catch (Exception ex)
{
   MessageBox.Show(ex.Message, "Error");
}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

Target Platforms

Reference

ImageViewerItems Class
ImageViewerItems Members