Initializes a new instance of the AnnEditDesigner class with the specified parameters.
automationControl
The automation control associated with this designer.
container
The container to use.
annObject
The target object.
This method sets the container to the container to the TargetObject property.
The annObject must be a valid annotation object: it needs to have all of its stroke, fill and font properties set. Positioning parameters (such as the start and end points of a line) get set and updated as the user edits the object with this designer.