Gets or sets a value indicating whether the form should be displayed as a topmost form.
private void Form1_Load(object sender, EventArgs e)
{this.MaximizeBox = false;
this.MinimizeBox = false;
this.TopMost = true;
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
}