C# (CSharp) ColorRectangles RectangleDoc.DeleteSelected примеры использования

Пример #1

 private void Form1_KeyDown(object sender, KeyEventArgs e)
 {
     if (e.KeyCode == Keys.Delete)
     {
         RectangleDoc.DeleteSelected();
         Invalidate(true);
     }
 }

Пример #2

 private void cutToolStripMenuItem_Click(object sender, EventArgs e)
 {
     RectangleDoc.DeleteSelected();
     Invalidate(true);
 }