Question

点击TextBox.怎么使Panel显示和隐藏呢? C#

点击TextBox.怎么使Panel显示和隐藏呢?

Answer 1

if (this.panel1.Visible == true)
{
this.panel1.Visible = false;
}
else
{
this.panel1.Visible = true;
}这个可以简写为this.panel1.visible=!panel1.visible;关键技巧在！，表示取上次的相反值，学习编程不能偷懒，但编程时要想尽办法偷懒

Answer 2

private void txtResult_Click(object sender, EventArgs e) //在textbox的单击事件里面
{
if (this.panel1.Visible == true)
{
this.panel1.Visible = false;
}
else
{
this.panel1.Visible = true;
}
}

Answer 3

在textBox 的mouseclick 事件写this.panel1.visible=!panel1.visible;