Patent ID: 6990652

Claim:
A memory medium comprising program instructions for creating a graphical data flow program, wherein the program instructions operate in a computer including a display and a user input device, wherein the program instructions are executable to implement: displaying on a display a graphical data flow program, wherein the graphical data flow program comprises a plurality of interconnected nodes which visually indicate functionality of the graphical data flow program, wherein the plurality of interconnected nodes are connected by lines which represent flow of data among the nodes; displaying on the screen a first node in the graphical data flow program in response to user input; configuring the first node with information regarding a first method of a first object, wherein said configuring the first node comprises: receiving first user input selecting a first class from a set of classes, wherein the first object is operable to be instantiated from the first class, wherein the first class includes one or more methods; receiving second user input selecting the first method from the one or more methods; wherein the first node is operable to invoke the first method of the first object during execution of the graphical data flow program.