WPF program doesn't seem to call functions or make changes to canvas outside of Window() function

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C#

XAML

WPF

My program takes a set of input nodes with coordinates and links hard-coded, then when the user left clicks a node(ellipse) the program should take that mouse input and run through the algo, changing the clicked node's color to identify the startnode. my code makes sense, zero errors.

The only way I can get the initial graph of nodes and links to show is if I call the function to draw them inside the

public Window()
{
   InitializeComponent();
}

region. It also doesn't seem to be calling the function to detect the node click:

public void Window1_MouseClick(object sender, MouseButtonEventArgs e)
{

if (e.ClickCount == 2 && e.Source is Ellipse)
            {
                findNode = e.GetPosition(TestSpace);
                textBlock2.Text = "test complete";
                if (e.ChangedButton == MouseButton.Left)
                {
                    DoFindShortestPathTree((int)findNode.X, (int)findNode.Y);
                }
                else if (e.ChangedButton == MouseButton.Right)
                {
                    textBlock2.Text = "test complete";
                    DoFindShortestPath((int)findNode.X, (int)findNode.Y);
                }
            }
        }
}

This block is located just outside of the Window() region, inside the Window1 partial class.