void ucImageListView_RetrieveVirtualItemThumbnail(object sender, VirtualItemThumbnailEventArgs e)
{
// return;
ImageDocument img = null;
if (e.Key is ImageDocument)
{
img = e.Key as ImageDocument;
}
if (img == null)
{
return;
}
InitialImage(img);
var imgTemp = CurrentImageTools.GetWholeImage(img);
if (imgTemp != null)
{
e.ThumbnailImage = CurrentImageTools.BaseTools.ScaleImage(imgTemp, e.ThumbnailDimensions.Width, e.ThumbnailDimensions.Height, 0);
imgTemp.Dispose();
return;
}
}
void RetrieveVirtualItemThumbnail(object sender, VirtualItemThumbnailEventArgs e)
{
e.ThumbnailImage = GetImage(e.Key, e.ThumbnailDimensions);
}
void ThumbnailList_RetrieveVirtualItemThumbnail(object sender, VirtualItemThumbnailEventArgs e)
{
// return;
ImageDocument img = null;
if (e.Key is ImageDocument)
{
img = e.Key as ImageDocument;
}
if (e.Key is int)
{
// img = Items[(int) e.Key].Tag as BaseImage;
}
if (img == null)
{
return;
}
//if (img.Image == null && (img.Stream == null || img.Stream.Length < 10) && img.ThumbnailImage == null && (img.ThumbnailStream == null || img.ThumbnailStream.Length < 10))
if ((img.Stream == null || img.Stream.Length < 10) && (img.ThumbnailStream == null || img.ThumbnailStream.Length < 10))
{
OnNeedThumbnailsImage(new ImageEventArg(img));
}
if (img.ThumbnailStream == null || img.ThumbnailStream.Length < 10)
{
if (img.Stream != null && img.Stream.Length > 10)
{
using (var ms = new MemoryStream(img.Stream))
{
try
{
using (var imgTemp = Image.FromStream(ms))
{
e.ThumbnailImage = CurrentImageTools.BaseTools.ScaleImage(imgTemp,
e.ThumbnailDimensions.Width,
e.ThumbnailDimensions.Height, 0);
img.ThumbnailStream = CurrentImageTools.BaseTools.GetStreamImage(e.ThumbnailImage,
System.Drawing.Imaging.
ImageFormat.Tiff);
OnCreatedThumbnailImage(new ImageEventArg(img));
}
ms.Dispose();
}
catch (Exception)
{
// throw;
}
}
return;
// img.ThumbnailImage = ScaleImage(img.Image, this.SelectedThumbnailPic.Width, this.SelectedThumbnailPic.Height, scaleRatio);
}
}
if (img.ThumbnailStream != null && img.ThumbnailStream.Length > 10)
{
var ms = new System.IO.MemoryStream(img.ThumbnailStream);
e.ThumbnailImage = Image.FromStream(ms);
//img.ThumbnailImage = e.ThumbnailImage;
ms.Dispose();
}
//if(img.ThumbnailImage != null)
//{
// e.ThumbnailImage = img.ThumbnailImage;
// return;
//}
//if (img.ThumbnailImage == null && img.Image != null)
//{
// e.ThumbnailImage = CurrentImageTools.BaseTools.ScaleImage(img.Image, e.ThumbnailDimensions.Width, e.ThumbnailDimensions.Height, 0);
// // img.ThumbnailImage = ScaleImage(img.Image, this.SelectedThumbnailPic.Width, this.SelectedThumbnailPic.Height, scaleRatio);
//}
//if (img.ThumbnailImage == null && img.Image == null && img.ThumbnailStream != null && img.ThumbnailStream.Length > 10)
//{
// var ms = new MemoryStream(img.ThumbnailStream);
// e.ThumbnailImage = Image.FromStream(ms);
// ms.Dispose();
//}
// if (img.ThumbnailImage == null && img.Image == null && img.Stream != null && img.Stream.Length > 10)
}
