Thread: Some vb. net problem

I have some question what is the meaning of adding text to a file what is command window in ide what occurs when we type debug.writeline
why this windows is utilized.

There will be times as you won't require to erase all the text from your file. You'll only need to add text to what you presently have. In which encase you require to Append. adding text to your file is quite simple.

can someone tell me Is goal variation in vb.net good and how to replace variable to one type to some other.

And what is an api how can we announce it don't say to Google all this please anyone can help me.