Occurs when the user selects the menu or toolbar "Mouse Actions - Rectangle Annotation"
command. The user has selected the tool to create a rectangle annotation when the left
mouse button is pressed over the image in the image window.
Syntax
Visual Basic
Public Event OnMouseRectangleAnnotationStart()
Remarks
When the user clicks on the menu or toolbar button "Mouse Actions - Select Annotations", it
will first generate the "OnMouseRectangleAnnotationStart" event, then generate the
"OnMouseRectangleAnnotationFinish" event. The mouse will function to create a new
rectangle annotation.
