dot moving in circle

Hi Ann Ran,

 

You can refer below link for drawing circle in WPF link:-

https://msdn.microsoft.com/en-us/library/ms747393(v=vs.110).aspx.

 

Your second query is to draw dots and move them inside circle although there is no direct method to do that but you can achieve it by hard code you can refer below links for further reference:-

 

http://stackoverflow.com/questions/9653505/whats-the-optimum-way-to-draw-high-number-of-dots

 

https://msdn.microsoft.com/en-us/library/system.windows.media.imaging.writeablebitmap(VS.85).aspx

 

http://stackoverflow.com/questions/4786064/how-to-create-a-circle-with-a-hole-in-a-circle-in-wpf

 

Once you are done with the code please let me know.

 

Regards

Rahul