Indicates whether to remove the item if it did not have previous data.
public bool RemoveEmptyItem { get; set; }
public:
property bool RemoveEmptyItem
{
bool get()
void set(bool value)
}
true to remove the item if it did not have previous data, otherwise, false. Default value is false.
The detailed description refer to ItemError.
using Leadtools;
using Leadtools.Controls;
using Leadtools.Codecs;
using Leadtools.Drawing;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
public ImageViewerForm _form = new ImageViewerForm();
public ImageViewer _imageViewer;
public void ImageViewerItemChangedExample()
{
// Get the Form's ImageViewer control
_imageViewer = _form.ImageViewer;
// ImageViewerItemChangedEventArgs reference
_imageViewer.ItemChanged += (sender, e) =>
{
var item = e.Item;
var sb = new StringBuilder();
sb.AppendFormat("ItemChanged:{0} Reason:{1} Size:{2} Res:{3}", _imageViewer.Items.IndexOf(item), e.Reason, item.Size, item.Resolution);
if (item.Image != null)
sb.AppendFormat(" Image: {0} bpp {1} by {2}", item.Image.BitsPerPixel, item.Image.Width, item.Image.Height);
else
sb.AppendFormat(" Image: null");
Debug.WriteLine(sb.ToString());
if (item.Url != null)
Debug.WriteLine(" Url:" + item.Url.ToString());
};
// ImageViewerItemErrorEventArgs reference
_imageViewer.ItemError += (sender, e) =>
{
e.RemoveEmptyItem = false;
Debug.WriteLine("Data: {0}, Error: {1}", e.Data, e.Error);
};
// Load an image
using (var codecs = new RasterCodecs())
_imageViewer.Image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Ocr1.tif"));
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
Help Collections
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