layout.marginWidth= 0; layout.marginHeight= 0;
	public void createControl(Composite parent) {		initializeDialogUnits(parent);					Composite composite= new Composite(parent, SWT.NONE);				int nColumns= 3;				GridLayout layout= new GridLayout();		layout.marginWidth= 0;		layout.marginHeight= 0;		layout.numColumns= 3;				composite.setLayout(layout);				Label label= new Label(composite, SWT.WRAP);		label.setText(NewWizardMessages.NewPackageWizardPage_info); 		GridData gd= new GridData();		gd.widthHint= convertWidthInCharsToPixels(80);		gd.horizontalSpan= 3;		label.setLayoutData(gd);				createContainerControls(composite, nColumns);		createPackageControls(composite, nColumns);				setControl(composite);		Dialog.applyDialogFont(composite);		PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IJavaHelpContextIds.NEW_PACKAGE_WIZARD_PAGE);	}