layout.marginWidth= 0; layout.marginHeight= 0;
	public void createControl(Composite parent) {		initializeDialogUnits(parent);				Composite composite= new Composite(parent, SWT.NONE);					GridLayout layout= new GridLayout();		layout.marginWidth= 0;		layout.marginHeight= 0;			layout.numColumns= 3;		composite.setLayout(layout);						fProjectField.doFillIntoGrid(composite, 3);			fRootDialogField.doFillIntoGrid(composite, 3);		fExcludeInOthersFields.doFillIntoGrid(composite, 3);				int maxFieldWidth= convertWidthInCharsToPixels(40);		LayoutUtil.setWidthHint(fProjectField.getTextControl(null), maxFieldWidth);		LayoutUtil.setHorizontalGrabbing(fProjectField.getTextControl(null));			LayoutUtil.setWidthHint(fRootDialogField.getTextControl(null), maxFieldWidth);						setControl(composite);		Dialog.applyDialogFont(composite);		PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IJavaHelpContextIds.NEW_PACKAGEROOT_WIZARD_PAGE);			}