How to wrapp GWT component into SmartGWT

Suppouse that InputListWidget is a component that extends Composite GWT class. The rest of the code snippet is a SmartGWT.

//SmartGWT
Canvas inputListWidgetWrapper = new Canvas(); 
inputListWidgetWrapper.setWidth(360);
inputListWidgetWrapper.setHeight(70);
inputListWidgetWrapper.addChild(new InputListWidget());

DynamicForm form = new DynamicForm();        
form.addChild(inputListWidgetWrapper);