Bug 140985 Cancel button in parameter dialog doesn't work
Description: Cancel button in parameter dialog doesn't work Steps to reproduce: 1. New a parameter 2. Preview and click Cancel Expected result: Transfer to layout Actual result: Nothing happened.
UI/org.eclipse.birt.report.designer.ui.preview/src/org/eclipse/birt/report/designer/ui/preview/editors/ReportPreviewFormPage.java
return true;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.forms.editor.IFormPage#getPartControl()
	 */
	public Control getPartControl( )
	{
		return control;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.forms.editor.IFormPage#getId()
	 */
	public String getId( )
	{
		return ID;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.IWorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
	 */
	public void createPartControl( Composite parent )
	{
		super.createPartControl( parent );
		Control[] children = parent.getChildren( );
		control = children[children.length - 1];