Indicates how the images are displayed inside their items.
public virtual ControlSizeMode ItemSizeMode { get; set; }
public:
virtual property ControlSizeMode^ ItemSizeMode
{
ControlSizeMode^ get()
void set(ControlSizeMode^ value)
}
A value that indicate how the item images are displayed inside their items. Default value is ControlSizeMode.None.
ItemSize and ItemSizeMode are used when the viewer is in "image list" or "thumbnails mode". For more information, for more information, refer to Image Viewer Items.
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 ImageViewerItemSizeExample()
{
// Get the ImageViewer control from the form
_imageViewer = _form.ImageViewer;
// Clear all the images already the viewer
_imageViewer.Items.Clear();
// Use vertical view layout
_imageViewer.ViewLayout = new ImageViewerVerticalViewLayout();
// Make sure the item size is larger than the image size (thumbnails mode)
_imageViewer.ItemSize = LeadSize.Create(200, 200);
// Add 4 items to the viewer
using (var codecs = new RasterCodecs())
{
for (var page = 1; page <= 4; page++)
{
ImageViewerItem item = new ImageViewerItem();
var fileName = Path.Combine(LEAD_VARS.ImagesDir, string.Format("ocr{0}.tif", page));
// Create a thumbnail from the image
using (var image = codecs.Load(fileName, page))
{
item.Image = image.CreateThumbnail(180, 180, 24, RasterViewPerspective.TopLeft, RasterSizeFlags.Resample);
}
// Set ItemSizeMode
_imageViewer.ItemSizeMode = ControlSizeMode.FitHeight;
_imageViewer.Items.Add(item);
}
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
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