C# SplitContainer控件实现折叠展开面板

C# SplitContainer控件实现折叠展开面板

C# SplitContainer控件实现折叠展开面板，直接上图上代码

private void button1_Click(object sender, EventArgs e)
{
    splitContainer1.Panel2Collapsed = !splitContainer1.Panel2Collapsed;

    if (splitContainer1.Panel2Collapsed)
    {
        button1.Top = button1.Location.Y + splitContainer1.Height - splitContainer1.SplitterDistance;
        statusStrip1.Top= statusStrip1.Location.Y + splitContainer1.Height - splitContainer1.SplitterDistance;
        button1.BackgroundImage = Image.FromFile("arrow_down.png");
        //button1.BackgroundImage = SplitContainer.Properties.Resources.arrow_down;
    }
    else
    {
        button1.Top = button1.Location.Y - (splitContainer1.Height - splitContainer1.SplitterDistance);
        statusStrip1.Top= statusStrip1.Location.Y - (splitContainer1.Height - splitContainer1.SplitterDistance);
        //button1.BackgroundImage = Image.FromFile("arrow_up.png");
        button1.BackgroundImage = SplitContainer.Properties.Resources.arrow_up;
    }            
}

展开效果：

     

折叠效果：

    

图标：箭头