Creating a tool add-in
Tool add-ins are similar to buttons with the exception that tools require some type of interaction with the map. The zoom-in tool, for example, is a type of tool. Tools should be placed inside a toolbar or tool palette. The properties similar to those of a button. You'll also need to edit the Python script.
Getting ready
The Tool class has a number of properties, including cursor, enabled, and shape. The cursor property sets the cursor for the tool when it is clicked on, and is defined as an integer value corresponding to the cursor types, as follows:
By default, tools are enabled. This can be changed, though, by setting the enabled property to false. Finally, the shape property specifies the type of shape to be drawn and it can be a line, rectangle, or circle. These properties are typically set inside the constructor of the tool, which is defined by the __init__ method, as shown in the following code example. The self object refers to the current object (a tool in this...
