Sub-windows created by an add-in
问题 I have seen several times that an add-in can create sub-windows in Excel. Here is an exemple: Does anyone know which technique allows the add-in to create the sub-windows on the right hand side? 回答1: This technique is CustomTaskPanes 来源: https://stackoverflow.com/questions/35188359/sub-windows-created-by-an-add-in