If you start selecting some text with visual mode (v), you can switch to line visual or block visual by simply pressing shift-v or ctrl-v while still in a visual mode without having to go back to the start of the selection. As long as you are in a visual mode, you can go to visual, line visual or block visual mode by pressing the appropriate key.
If you start selecting some text with visual mode (v), you can switch to line visual or block visual by simply pressing shift-v or ctrl-v while still in a visual mode without having to go back to the start of the selection. As long as you are in a visual mode, you can go to visual, line visual or block visual mode by pressing the appropriate key.