红酸枝是黄檀属树种。木材结构细至甚细,平均管孔弦向直径不大于200μm。木材含水率12%时气干密度大于0.85g/cm3。红酸枝的木质和颜色都与小叶紫檀相近,年轮纹都是直丝状,鬃眼比紫檀大,颜色近似枣红色。鉴别红酸
Using FB4, I want to change the height of an open spark DropDownList. By default, it shows up to 6 items before scrolling. My dropdownlist contains 7 items, so I want to change the height of the open