protected override void OnVisualAdded(UIElement elt)
{
if (elt is Viewport3D)
{
return;
}
int index = Children.IndexOf(elt);
Viewport2DVisual3D model = CreateLoginViewPort(elt);
//set binding
LoginGrid loginGrid = (LoginGrid)model.Visual;
loginGrid.DataContext = elt;
// loginGrid.txtConnectionName.Text = ((ListBoxItem)loginGrid.DataContext).Content.ToString();
loginGrid.imgMoveToLeft.MouseDown += MoveToLeft;
loginGrid.imgMoveToRight.MouseDown += MoveToRight;
_modelContainer.Children.Insert(index, model);
model.SetValue(LinkedElementProperty, elt);
elt.SetValue(LinkedModelProperty, model);
if (IsLoaded)
{
ReflowItems();
}
SelectedIndex = Children.Count - 1;
}
protected override void OnVisualRemoved(UIElement elt)
{
Viewport2DVisual3D model = elt.GetValue(LinkedModelProperty) as Viewport2DVisual3D;
_modelContainer.Children.Remove(model);
LoginGrid loginGrid = (LoginGrid)model.Visual;
loginGrid.imgMoveToLeft.MouseDown -= MoveToLeft;
loginGrid.imgMoveToRight.MouseDown -= MoveToRight;
model.ClearValue(LinkedElementProperty);
elt.ClearValue(LinkedModelProperty);
SelectedIndex = 0;
// Update SelectedIndex if needed
if (SelectedIndex >= 0 && SelectedIndex < VisibleChildrenCount)
{
ReflowItems();
}
else
{
SelectedIndex = Math.Max(0, Math.Min(SelectedIndex, VisibleChildrenCount - 1));
}
}
