I\'m using Notepad++ for some projects and miss Visual Studio\'s Ctrl + X, Ctrl + C functionality that cuts or copies the entire curr
you can write a program with a global key event hook, which every time you make a Ctrl + X checks if notepad++ is the foremost application running, grabs the screen, checks if any text is selected (by looking at the screenshot and your notepad++ color settings), and sends a WM_KEYPRESS message to the notepad++ window simulating a Ctrl + L (assuming you're using windows).
(this won't put the line into the clipboard though, you'll have to make some character recognition to allow it)