CODE SNIPPET TYPES
Expansion : These snippets allows the code snippet to be inserted at the cursor.
SurroundsWith: These snippets allows the code snippets to be placed around a selected piece of code
Refactoring: These snippets are used during code refactoring.
Control K X for intellesense in visual studio
right click in visual studio program and select the insert snippets > visual c# > for loop
CODE SNIPPET MANAGER
Tool > code snippet manager