A Toolkit/Component Control/Component by Lassalle Technologies

Following is a list of the main AddFlow features. Note that all those features are encapsulated in a small (375 Kb only), robust, fast and easy to use ActiveX component.

General
- Runtime-royalty free
- Digitally signed
- Interactive and programmatic drawings
- Navigation (You can access every nodes and links of a diagram with just 5 properties)
- Collections support (nodes, links, selected nodes, selected links)
- Customization: many properties allowing to customize the control (CanDrawNode, CanMoveNode, ReadOnly, etc...)

Input/output
- Metafiles support (WMF, EMF)
- Serialisation of diagrams (LoadFile, SaveFile methods)
- XML serialisation
- Clipboard management
- Printing and print previewing

Interactivity
- Scrolling (interactive and programmatic)
- Autoscrolling
- Selection and Multiselection of nodes and links (interactive and programmatic)
- Nodes stay connected when moved or resized

Display facilities
- OwnerDraw event allowing customized drawings
- Zooming
- Grid support

Data
- Ability to associate a text, a unique key, a tooltip and a tag to a node or a link
- Nodes and links
- Change painting order of objects (ZOrder property)
- Distinct colors for each object (FillColor, ForeColor, DrawColor)
- Distinct fonts for each object
- Distinct drawing styles (DrawStyle property)
- Hidden objects

Links
- Stretchable links. A link can be composed of many segments
- Curved links (Bezier, Spline)
- Rigid links. If a link is rigid, it follows (without being stretched) its origin node when this origin node is being dragged
- Reflexive links
- Links having only vertical and horizontal segments
- Ability to adjust the position of the first and last point of a link
- 20 arrow styles for links
- Ability to customize the drawing of a link (OwnerDraw event)
- Link autorouting

Nodes
- Ability to associate a picture (bitmap, standard or enhanced metafile, icon, GIF, JPEG) to a node
- Ability to customize the drawing of a node (OwnerDraw event)
- 46 distinct shapes for nodes
- Custom shapes
- Transparent nodes
- Text alignment
- Autosize options for nodes
- Gradient color