c#实现全屏

文章目录

添加一个按钮button1. 添加点击事件 . 设置Form1的keyUp事件

private void button1_Click(object sender, EventArgs e)
{
    this.TopMost = true;
    this.FormBorderStyle = FormBorderStyle.None;
    this.WindowState = FormWindowState.Maximized;
    this.button1.Visible = false;
}

private void Form1_KeyUp(object sender, KeyEventArgs e)
{
    this.TopMost = false;
    this.FormBorderStyle = FormBorderStyle.Fixed3D;
    this.WindowState = FormWindowState.Normal;
    this.button1.Visible = true;
}