how to create matrix effect like this with letters move

[Caleb]

Anyone can help me to create matrix effect like this in csharp

 

I found way to do it using this project, this is rain effect i like it

https://www.codeproject.com/Articles/5164199/Matrix-Style-Rain-in-Csharp-with-WPF

 

But it has letter inside which bounce when hit on side, see the file below, how to do it i want to move letter inside matrix effect

 

File here https://www.mediafire.com/file/oixj2lxsvnckl3j/kg.exe/file

 

I am new in RE hope to learn from you experts.

[Caleb]

Any help on this? My programming skills are just kinda starter so unable to figure it out, i searched youtube videos and it shows use timer but how to move and bounce