private Rectangle CreateShape(string shapeType, int width, int height)
{
if (shapeType == "Rectangle")
{
var shape = new Rectangle();
shape.SetWidth(width);
shape.SetHeight(height);
shape.Left = Random.Next(2, Canvas.Width - width + 2);
shape.Top = Random.Next(2, Canvas.Height - height + 2);
return(shape);
}
if (shapeType == "Square")
{
var shape = new Square();
shape.SetWidth(width);
shape.SetHeight(height);
shape.Left = Random.Next(2, Canvas.Width - width + 2);
shape.Top = Random.Next(2, Canvas.Height - height + 2);
return(shape);
}
throw new Exception("Invalid Shape Type");
}
private void AddShapeButton_Click(object sender, EventArgs e)
{
if (ShapeTypeCombo.SelectedItem == null)
{
MessageBox.Show(@"Please select a shape to add", @"Shape Type Required", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (string.IsNullOrEmpty(ShapeWidth.Text))
{
MessageBox.Show(@"Please enter a width", @"Width Required", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (!ShapeWidth.Text.All(char.IsDigit))
{
MessageBox.Show(@"Please enter a numeric value for the width", @"Width Required", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (string.IsNullOrEmpty(ShapeHeight.Text))
{
MessageBox.Show(@"Please enter a height", @"Height Required", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
var width = Convert.ToInt32(ShapeWidth.Text);
var height = Convert.ToInt32(ShapeHeight.Text);
if (width < 10 || width > 100)
{
MessageBox.Show(@"Please enter a width between 10 and 100", @"Width Incorrect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (height < 10 || height > 100)
{
MessageBox.Show(@"Please enter a height between 10 and 100", @"Height Incorrect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
Rectangle r = CreateShape(ShapeTypeCombo.SelectedItem.ToString(), width, height);
Rectangles.Add(r);
Canvas.Controls.Add(new Panel
{
BorderStyle = BorderStyle.FixedSingle,
Width = r.GetWidth(),
Height = r.GetHeight(),
Left = r.Left,
Top = r.Top,
BackColor = Color.FromArgb(Random.Next(256), Random.Next(256), Random.Next(256))
});
}
