static void RecalcPropertyChanged(DependencyObject obj,
DependencyPropertyChangedEventArgs args)
{
WireBase linebase = obj as WireBase;
linebase.needRecalculation = true;
}
//
// This is the only property that does not require a recalculation
// of the MeshGeometry3D.
static void ColorPropertyChanged(DependencyObject obj,
DependencyPropertyChangedEventArgs args)
{
WireBase wirebase = obj as WireBase;
GeometryModel3D model = wirebase.Content as GeometryModel3D;
MaterialGroup matgrp = model.Material as MaterialGroup;
EmissiveMaterial mat = matgrp.Children[1] as EmissiveMaterial;
mat.Brush = new SolidColorBrush((Color)args.NewValue);
}
static void OnRendering(object sender, EventArgs args)
{
foreach (WireBaseAndUltimateParent wirebaseAndParent in listWireBases)
{
WireBase wirebase = wirebaseAndParent.wirebase;
DependencyObject obj = wirebase;
while (obj != null && !(obj is Window))
{
obj = VisualTreeHelper.GetParent(obj);
}
if (wirebaseAndParent.window == null)
{
if (obj != null)
{
wirebaseAndParent.window = obj as Window;
}
// Otherwise, the WireBase has no ultimate parent of type window,
// so there's no reason to try rendering it.
else
{
continue;
}
}
// A non-null 'window' field means the WireBase had an ultimate window
// parent at one time.
else
{
// But now there's no ultimate window parent, so it's likely that
// this WireBase has been disconnected from a valid visual tree.
if (obj == null)
{
listRemove.Add(wirebaseAndParent);
continue;
}
}
wirebase.OnRendering();
}
// Possibly remove objects from the rendering list.
if (listRemove.Count > 0)
{
foreach (WireBaseAndUltimateParent wirebaseAndParent in listRemove)
{
listWireBases.Remove(wirebaseAndParent);
}
listRemove.Clear();
}
}
public WireBaseAndUltimateParent(WireBase wirebase)
{
this.wirebase = wirebase;
}