>I want to change the size of TEXTBOX by point to point, but i don't want to ture the "snap of grid" to [off], and change the value in "set grid scale".
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>Did any function key i can press down + [Arrow key] to resize the TEXTBOX in point.

you can also click on the 'resize' box once. click on left end to shorten, right to lengthen, top to reduce height, bottom to increase height. do this until you get the right size. be careful -- click too fast and your computer will think 'double click'