/// <summary>Creates a new <see cref="DiagramEdge"/> instance.</summary>
public DiagramEdge(DiagramNode source, DiagramNode target, DiagramEdgeRole role, string label) {
Assumption.NotNull(source);
Assumption.NotNull(target);
Role = role;
Source = source;
Target = target;
Label = label.At(0).ToUpper() + label.After(0) + (Role.Has(DiagramEdgeRole.ZeroToMany) ? "*" : "");
ComputedPath = new PointCollection();
_initializeResources();
}
// tests whether the given edge has the specified role
private static bool _hasRole(DiagramEdgeInfo edge, DiagramEdgeRole role) {
return (edge.Role & role) != 0;
}
