ImageViewerItems Class (original) (raw)
Example
using Leadtools;
using Leadtools.Controls;
using Leadtools.Codecs;
using Leadtools.Drawing;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
public void ImageViewerItems_Example()
{
// Clear all the images already the viewer
_imageViewer.Items.Clear();
// Use vertical view layout
_imageViewer.ViewLayout = new ImageViewerVerticalViewLayout();
_imageViewer.ImageBorderThickness = 1;
// Add 4 items to the viewer
using (var codecs = new RasterCodecs())
{
for (var page = 1; page <= 4; page++)
{
var item = new ImageViewerItem();
var fileName = Path.Combine(LEAD_VARS.ImagesDir, string.Format("ocr{0}.tif", page));
item.Image = codecs.Load(fileName, 100, 100, 24, RasterSizeFlags.Resample, CodecsLoadByteOrder.BgrOrGray, page, page);
// Set the tag of each item to be the page number
item.Tag = page;
_imageViewer.Items.Add(item);
}
}
// Show the count
Debug.WriteLine("This must say 4: " + _imageViewer.Items.Count);
// Remove the item at index 1 (page 2)
_imageViewer.Items.RemoveAt(1);
Debug.WriteLine("This must now say 3: " + _imageViewer.Items.Count);
// Loop through each item and show the tag, since we remove page 2, it must say 1, 3, 4
foreach (var item in _imageViewer.Items)
{
var pageNumber = (int)item.Tag;
Debug.WriteLine(pageNumber.ToString());
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}