In C# , Loading of Images and assigning positions to files

Where to use "@". Can you give any example code.

It is a slash \ used to seperate directories and files. Like c:\users\images\abc.png. In order to use a slash, we have to put double slash (its called escape sequence character) or if you want to use single slash then put @ symbol before starting your string

Meaning of   "\\"

Loop is just adding a filename extracted from full path, for better understanding, give a breakpoint and debug your code and hover the mouse over the values and you will get the concept

What was that? Can you explain your problem