/// <summary>
/// Handles the KeyDown event of the shapesList control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Forms.KeyEventArgs"/> instance containing the event data.</param>
private void shapesList_KeyDown(object sender, KeyEventArgs e)
{
// delete selected shape
if (e.KeyCode == Keys.Delete && shapesList.SelectedIndex != -1)
{
ShapeState shapeToRemove = shapesList.SelectedItem as ShapeState;
if (shapeToRemove != null)
{
// remove shape
ShapesScreen.RemoveShape(shapeToRemove);
shapesList.Items.RemoveAt(shapesList.SelectedIndex);
// select last shape if any
if (shapesList.SelectedIndex == -1 && shapesList.Items.Count != 0)
{
shapesList.SelectedIndex = shapesList.Items.Count - 1;
}
}
}
}
/// <summary>
/// Removes the specified shape.
/// </summary>
/// <param name="shape">Shape as <see cref="ShapeState"/> to remove.</param>
private void RemoveShape(ShapeState shape)
{
shapesList.Items.Remove(shape);
ShapesScreen.RemoveShape(shape);
}