removeAttribute(MediaMargins.class);
return true;
}
try {
x1 = ((Float) format.stringToValue(leftTxt.getText())).floatValue();
x2 = ((Float) format.stringToValue(rightTxt.getText())).floatValue();
y1 = ((Float) format.stringToValue(topTxt.getText())).floatValue();
y2 = ((Float) format.stringToValue(bottomTxt.getText())).floatValue();
} catch(ParseException e) {
return false;