Moves the cursor up a specified number of lines.
document.selection.LineUp( [ bExtend [, nCount ] ] );
document.selection.LineUp [ bExtend [, nCount ] ]
Optional. Specifies whether the moved text is collapsed or not. The default is false and the moved text is collapsed.
Optional. Specifies the number of lines to move up. The default is 1. If negative, the method acts like the LineDown Method. If 0, the method acts like 1.
Supported on EmEditor Professional Version 4.00 or later.