all work fin, only the Ellipse (or port) that not appeare when
i select the node and make drawing the link more dificult.
for information :
1. i have the same flowChart.xaml than the example (copy & paste)
2. the code behind is executed when the mouse is on the node or when it leave it.
Private Sub Node_MouseEnter(ByVal sender As Object, ByVal e As MouseEventArgs)
SetPortsVisible(TryCast(sender, UIElement), True)
End Sub
Private Sub Node_MouseLeave(ByVal sender As Object, ByVal e As MouseEventArgs)
SetPortsVisible(TryCast(sender, UIElement), False)
End Sub
Silverlight 4 introduced a deliberate incompatibility with Silverlight 3 regarding the AllowDrop property. I thought that you should be able to set it in XAML, but I believe you have to set it in code instead. However, I can look into this in a few days.
Silverlight 4 added the UIElement.AllowDrop property.
If you can’t see that property, I bet you are still targeting Silverlight 3 and are using the old DLL. Please check the version number of the System.Windows.DLL.
When you opened the FlowChartVB solution/project and upgraded to Visual Studio 2010, did you also let it retarget to Silverlight 4? If not, you need to do so if you want to use the GoSilverlight DLL 1.2.*.4.