private void OnButtonClick(object sender, EventArgs e)
{
var vi = new ViewInfo(RhinoDoc.ActiveDoc.Views.ActiveView.ActiveViewport);
var vpi = vi.Viewport;
var vud = vpi.UserData.Find(typeof(ViewportSettings)) as ViewportSettings;
if (vud == null)
{
var nvud = new ViewportSettings();
vpi.UserData.Add(nvud);
}
ViewDataChanged?.Invoke(this, EventArgs.Empty);
}
private void AddUserData_ViewDataChanged(object sender, EventArgs e)
{
ViewDataChanged?.Invoke(sender, e);
}