Making Changes to the File in .NET

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Making Changes to the File
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The simplest way to change the file is simply to type something at the keyboard All such characters will appear at the cursor, and the cursor will move one position to the right for each character You can insert a new line beneath the current line by pressing Enter Getting rid of unwanted text is as important as adding new text Deleting one character at a time can be done by moving the cursor to the immediate right of the offending character, and simply using the backspace key to back the cursor over it The character will disappear You can also place the cursor to the left of the text you want to delete, and then press the Del key once for each character to be deleted Text to the right of the cursor will be pulled in toward the left as characters disappear You can delete an entire line by placing the cursor on the line and pressing Ctrl-Y This can be done all too easily by accident, and you lose a line that you may or may not have in your head or written down on paper Be careful!
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NASM-IDE contains several other ways to delete text, all of which will be described later in this chapter For the sake of the current guided tour through NASM-IDE, move the cursor to the blank line immediately beneath EAT2ASM's comment header (line 9 in the file) and type the phrase "MVO ax,bx" That done, press Enter and add a new line beneath it
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Saving Changes to a File
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As they say in Chicago, that grand old (and cold) town where I grew up, "Vote early and often" The same philosophy applies to saving the changes you make to your current file within NASM-IDE Every so often, perhaps when you kick back in your chair to think for a bit, save your work It's easy: one keystroke, the function key F2 There's no visible indicator that anything's actually happening, but pressing F2 will save your file in its entirety back to the place from which you loaded it, wherever that might be on your system Get in the habit of pressing F2 once in a while Keep in mind that if you save your work every five minutes, you will never lose more than five minutes of work! NASM-IDE keeps an eye on things and does its level best to keep you from losing any of your work If you try to exit NASM-IDE without saving your file to disk, it will remind you with the dialog box shown in Figure 53 Before it will exit back to DOS, NASM-IDE will require some response from you If you click on the green button reading "Yes," NASM-IDE
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Figure 53: When you exit without saving will save your work to disk, just as though you had pressed F2 Clicking on the button reading "No" will allow you to exit NASM-IDE without saving your work-and any changes you made that you have not saved will be lost Finally, if you click on the button reading "Cancel," the command will be cancelled, and nothing else will happen Your work will not be saved, nor will NASM-IDE exit back to DOS If you don't have a mouse, you can press Enter to select "Yes," which is the default option for this dialog box (NASM-IDE gives you every opportunity not to lose your changes!) If you want to move to one of the other buttons but don't have a mouse, you must use the Tab key to bounce from one button to another The buttons will change when they are selected: The text after the initial character of the button labels will be in white rather than yellow The three buttons cycle, so if you tab right past the button you want, press it a few more times and you'll get back to your chosen button Then when you press Enter, that button will be clicked and the appropriate action taken
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