Use the Image property to assign an 16x16 icon to the node. Use the Images property to access the control's Images collection. You can assign the Image property when the Add method is called. The ImageAlignment has no effect if the node has no icon associated. Use the Picture property to associate a picture to a node. Use the Images method to assign a list of icons at runtime. Use the ReplaceIcon property to add new icons to the control's images list.