C# Windows Forn App Graphical Programming

I would like a example project created for Graphical programming that is has the node base directed in the attachments. The program will need a start stop and pause button. The nodes required would have to be drag and drop onto the platform as well as moveable and resizeable. The program will need to be a while loop that runs until stopped or paused. The program will need to be able to be edited while paused and continue where it left off once restarted. the nodes required will need to be as follows : start node (starts the whole loop) end node (stops the while loop) node to calculate math problem (takes two variables and returns values) (must have a drop down for these +/-*) bool node sees if a variable is true or false (has two points coming off of it for if true or false) bool converter (changes a variable from either true to false or false to true.) node calculation find closest point (0,0) between start point (0,0) and an array of other points (0,0) node for sleep (wait for X amount of time before continuing ) panel on the right side to add new variables (int float bool string etc) program will need to be able to save this data to a to a folder program will need to be able to open the file and populate the graph for editing or running. program will need to show some type of visual representation for the user to see what the program is doing and which node is currently active. should be able to drag a line from one node to the connecting node for the script to complete that section of code next. multiple lines should be able to connect to a node. [login to view URL]