日期:2014-05-18 浏览次数:20940 次
private void button1_Click(object sender, EventArgs e)
{
this.panel1.Visible = !this.panel1.Visible;
}
------解决方案--------------------
private void button1_Click(object sender, EventArgs e)
{
this.panel1.Visible = true;
}
private void button1_Click(object sender, EventArgs e)
{
this.panel1.Visible = false;
}