} // AddVertex_Click
private void AddLink_Click(object sender, RoutedEventArgs e)
{
if (graph == null)
{
MessageBox.Show($"Create new \"Graph\" first");
return;
}
if (graph.GetVerticesCount() == 0)
{
MessageBox.Show($"Add more \"Vertices\" to create \"Links\"");
return;
}
CreateLinkWindow window = new CreateLinkWindow(CheckAndAddLink, graph);
window.Owner = this;
window.ShowDialog();
} // AddLink_Click
} // Graph_MouseDown
private void Grid_MouseUp(object sender, MouseButtonEventArgs e)
{
if (tempLine != null)
{
Grid grid1 = selectedElement as Grid;
Grid grid2 = sender as Grid;
if (grid2.Children[0] is Ellipse && grid1 != grid2)
{
TextBlock textBox1 = grid1.Children[1] as TextBlock;
Vertex vertex1 = (Vertex)textBox1.DataContext;
TextBlock textBox2 = grid2.Children[1] as TextBlock;
Vertex vertex2 = (Vertex)textBox2.DataContext;
CreateLinkWindow window = new CreateLinkWindow(CheckAndAddLink, graph, vertex1.Id, vertex2.Id);
window.Owner = this;
window.ShowDialog();
}
myCanvas.Children.Remove(tempLine);
tempLine = null;
}
} // Grid_MouseUp