private void frmMain_KeyDown(object sender, KeyEventArgs e) { switch (e.KeyCode) { case Keys.Enter: this.Hide(); break; case Keys.Space: IsSpacePressed = true; break; case Keys.Escape: if (ScreenZoom) { ZoomScreen(false); } else { this.Hide(); frmShow = false; } break; case Keys.H: drawStyle = DrawStyle.FreeHand; break; case Keys.L: drawStyle = DrawStyle.Line; break; case Keys.R: drawStyle = DrawStyle.Rectangle; break; case Keys.C: drawStyle = DrawStyle.Circle; break; case Keys.D1: pen.Color = Color.Red; break; case Keys.D2: pen.Color = Color.Blue; break; case Keys.D3: pen.Color = Color.Green; break; case Keys.D4: pen.Color = Color.Gold; break; case Keys.D5: pen.Color = Color.White; break; case Keys.D6: pen.Color = Color.Black; break; case Keys.F1: Help hlp = new Help(); hlp.ShowDialog(); break; } }