public static DialogResult Show()
{
pauseForm = new PauseForm();
pauseForm.ShowDialog();
return(buttonResult);
}
private void GameScreen_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
{
// opens a pause screen is escape is pressed. Depending on what is pressed
// on pause screen the program will either continue or exit to main menu
if (e.KeyCode == Keys.Escape && gameTimer.Enabled)
{
gameTimer.Enabled = false;
DialogResult result = PauseForm.Show();
if (result == DialogResult.Cancel)
{
gameTimer.Enabled = true;
}
else if (result == DialogResult.Abort)
{
MainForm.ChangeScreen(this, "MenuScreen");
}
}
directionLast = direction; //store the previous direction to determine if new move is ok
switch (e.KeyCode)
{
case Keys.Left:
direction = "left";
break;
case Keys.Down:
direction = "down";
break;
case Keys.Right:
direction = "right";
break;
case Keys.Up:
direction = "up";
break;
}
}