public void PopulateThumbnailBoxes(ICollection <ThumbnailInfo> thumbnails)
{
foreach (var aThumbnail in thumbnails)
{
var aThumbnailBox = new ThumbnailBox(aThumbnail);
aThumbnail.ThumbnailBox = aThumbnailBox;
aThumbnailBox.ThumbnailBoxClicked +=
(sender, e) =>
{
var thumbnailBox = sender as ThumbnailBox;
if (thumbnailBox.IsSelected)
{
DisplayImage();
}
else
{
SelectThumbnailBox(thumbnailBox);
}
};
_thumbnailBoxList.Add(aThumbnailBox);
if (_thumbnailBoxList.Count == 1)
{
SelectThumbnailBox(aThumbnailBox);
_thumbnailScrollViewer.Focus();
}
var aSurroundingStackPanel = new StackPanel();
aSurroundingStackPanel.Children.Add(aThumbnailBox);
_thumbnailWrapPanel.Children.Add(aSurroundingStackPanel);
}
}
private void SelectThumbnailBox(ThumbnailBox thumbnailBox)
{
if (_selectedThumbnailBox != thumbnailBox)
{
if (_selectedThumbnailBox != null)
{
_selectedThumbnailBox.UnselectThumbnail();
}
_selectedThumbnailBox = thumbnailBox;
_selectedThumbnailIndex = _thumbnailBoxList
.FindIndex(aThumbnailBox =>
aThumbnailBox == _selectedThumbnailBox);
_selectedThumbnailBox.SelectThumbnail();
}
}
private void AdvanceToThumbnailIndex(int increment)
{
if (_selectedThumbnailBox != null)
{
var newSelectedThumbnailIndex = _selectedThumbnailIndex + increment;
if ((newSelectedThumbnailIndex >= 0) &&
(newSelectedThumbnailIndex < _thumbnailBoxList.Count))
{
_selectedThumbnailBox.UnselectThumbnail();
_selectedThumbnailIndex = newSelectedThumbnailIndex;
_selectedThumbnailBox = _thumbnailBoxList[_selectedThumbnailIndex];
_selectedThumbnailBox.SelectThumbnail();
}
}
}
public GeneratingEventArgs(ThumbnailBox tb)
{
this._tb = tb;
}
public GeneratingEventArgs(ThumbnailBox tb)
{
this._tb = tb;
}
public void RefreshThumbnail() => ThumbnailBox.Refresh();