清除当前表单
这种方法没有任何参数
builder.CreateFile("docx")!varoDocuments=api.GetDocumentVar OCombOBoxForm = Api.CreateCombOBoxFormvarolements=ODocument.GetEplement0oParagraph.AddElement(oComboBoxForm)!oComboBoxForm.SetText("John Smith")!oComboBoxForm.Clear()!odeptes = Api.Createlementsoclipse.adTextoDocument.Push(oParagraph)!builder.SaveFile("docx", "Clear.docx")!builder.CloseFile();