ListShowParameter的ListFilterParameter如何赋值

[code]ListShowParameter listPara = new ListShowParameter();
listPara.FormId = "BAH_STK_ItemFileLog";
listPara.OpenStyle.TagetKey = "FDetailTab_LogInfoPage";
listPara.OpenStyle.ShowType = ShowType.InContainer;
listPara.PageId = Guid.NewGuid().ToString();
listPara.ParentPageId = this.View.PageId;
listPara.ListFilterParameter = ???

this.View.ShowForm(listPara);[/code]ListFilterParameter属性如何赋值，它是一个接口。。。