foreach(Control control in this.Controls) { if(control is PictureBox) { (control as PictureBox).Image = .... } }
顶 设置他的Image属性复制 不理解这句话什么意思... 再顶 我说错了,是赋值! “control as PictureBox).Image=“不能直接写control.Image=···么?为什么? public void Clear(Control page) { foreach (Control ctrl in page.Controls) { if (ctrl is PictureBox)