/// <summary>
/// To load a grid from file
/// </summary>
/// <returns></returns>
private void Load()
{
List <CrossroadProperties> newProperties = new List <CrossroadProperties>();
bf = null;
fs = null;
int timer = 3;
try
{
DialogResult dr = openGrid.ShowDialog();
if (dr.ToString() == "OK")
{
fs = new FileStream(openGrid.FileName, FileMode.Open, FileAccess.Read);
bf = new BinaryFormatter();
fs.Position = 0;
newProperties = ((List <CrossroadProperties>)(bf.Deserialize(fs)));
}
if (newProperties.Count > 0)
{
grid1.Controls.Clear();
foreach (CrossroadProperties prop in newProperties)
{
if (prop.Type == 1)
{
Crossroad A = new CrossroadA();
A.AllowDrop = true;
A.DragOver += Crossroad_DragOver;
A.BackgroundImage = Properties.Resources.Crossroad1;
A.Width = 200;
A.Height = 200;
A.BackgroundImageLayout = ImageLayout.Stretch;
A.MouseClick += crossroadA1_MouseDown;
A.delete.Click += (sender2, eventArgs2) =>
{
grid1.Controls.Remove(A);
};
A.Location = prop.Location;
A.PlaceTrafficLights(3000);
grid1.Controls.Add(A);
}
else
{
Crossroad B = new CrossroadB();
B.AllowDrop = true;
B.DragOver += Crossroad_DragOver;
B.BackgroundImage = Properties.Resources.Crossroad2;
B.Location = grid1.PointToClient(Cursor.Position);
B.Width = 200;
B.Height = 200;
B.BackgroundImageLayout = ImageLayout.Stretch;
B.delete.Click += (sender2, eventArgs2) =>
{
grid1.Controls.Remove(B);
};
B.Location = prop.Location;
B.PlaceTrafficLights(3000);
grid1.Controls.Add(B);
}
timer = prop.TrafficLightTimer;
numericUpDown1.Value = prop.Cars;
numericUpDown3.Value = prop.TrafficLightTimer;
}
foreach (Crossroad c in grid1.Controls.OfType <Crossroad>())
{
c.SetTimerInterval(timer);
}
}
}
catch (SerializationException) { }
finally
{
if (fs != null)
{
fs.Close();
}
}
saved = true;
}
private void pictureBox1_DragDrop(object sender, DragEventArgs e)
{
Crossroad c = (Crossroad)(e.Data.GetData(e.Data.GetFormats()[0]));
if (c != null)
{
if (c.Name == "crossroadA1")
{
Crossroad A = new CrossroadA();
A.AllowDrop = true;
A.DragOver += Crossroad_DragOver;
A.BackgroundImage = Properties.Resources.Crossroad1;
A.Width = 200;
A.Height = 200;
A.BackgroundImageLayout = ImageLayout.Stretch;
A.MouseDown += Crossroad_MouseDown;
A.delete.Click += (sender2, eventArgs2) =>
{
grid1.Controls.Remove(A);
};
//Places the crossroad in the placeholder
foreach (var placeholder in grid1.Placeholders)
{
if (placeholder.Contains(grid1.PointToClient(Cursor.Position)))
{
A.Location = placeholder.Location;
A.PlaceTrafficLights(3000);
}
}
//adds the crossroad to the grid
grid1.Controls.Add(A);
}
else if (c.Name == "crossroadB1")
{
Crossroad B = new CrossroadB();
B.AllowDrop = true;
B.DragOver += Crossroad_DragOver;
B.BackgroundImage = Properties.Resources.Crossroad2;
B.Location = grid1.PointToClient(Cursor.Position);
B.Width = 200;
B.Height = 200;
B.BackgroundImageLayout = ImageLayout.Stretch;
B.MouseDown += Crossroad_MouseDown;
B.delete.Click += (sender2, eventArgs2) =>
{
grid1.Controls.Remove(B);
};
foreach (var placeholder in grid1.Placeholders)
{
if (placeholder.Contains(grid1.PointToClient(Cursor.Position)))
{
B.Location = placeholder.Location;
B.PlaceTrafficLights(3000);
}
}
grid1.Controls.Add(B);
}
}
}
