The ActiveCtrl inherits from an entity. It holds properties and methods to implement interactive manipulations of graphical datas.
It is bouded to a Device and is located as child of Work With the Mouse- and Keyevents you have an instrument to handle actions of an user. The methods ctrlMarker, ctrlLine,ctrlCurve and ctrlPoly are nice drawmethods. They change the Color ( HoverColor if the mouse lays over it. By a click you get information about the tag, which is setted as parameter to these methods.

...
protected override void draw(MNDevice device)
    { 
    ...
        ctrlMarker(new xyz(4, 4, 0), 2006);
        // draws a marker at position (4 / 4/ 0)
        // if the mouse moves over this marker then it will be highlighted with 
        //hovercolor
        ctrlMarker(new xyz(0, 4, 0), 2007);
        ctrlMarker(new xyz(0, 0, 0), 2008);
        
    ...
        
    }

protected override void MouseMove( System.Windows.Forms.MouseEventArgs e)
    {
    if (CurrentHit!=null)
     switch ((int)CurrentHit.Tag)
     {
        case 2006 :// Mouse is at Marker  4/ 4/ 0 
                    break;
        case 2007 :// Mouse is at Marker  0/ 4/ 0 
                    break;
        case 2008 :// Mouse is at Marker  0/ 0/ 0 
                    break;
     }
    }
...

For a list of all members of this type, see ActiveCtrl Members.

System.Object
   Minais.Drawing3d.MNComponent
      Minais.Drawing3d.Entity
         Minais.Drawing3d.DrawCtrl
            Minais.Drawing3d.ActiveCtrl
               Minais.Drawing3d.HelpGeometry2D
               Minais.Drawing3d.RectCtrl
               Minais.Drawing3d.TaskCtrl

Thread Safety

Public static (Shared in Visual Basic) members of this type are safe for multithreaded operations. Instance members are not guaranteed to be thread-safe.

Requirements

Namespace: Minais.Drawing3d

Assembly: Drawing3d (in Drawing3d.dll)

See Also

ActiveCtrl Members | Minais.Drawing3d Namespace