DiemHinhTron VeHinhTron(int x, int y)
{
var ht = new DiemHinhTron()
{
Location = new Point(x, y)
};
ht.Color = Color.Blue;
return(ht);
}
void XoaCanh(DiemHinhTron a)
{
for (int i = tapCanh.Count - 1; i >= 0; i--)
{
var dDau = tapCanh[i].DiemDau;
var dCuoi = tapCanh[i].DiemCuoi;
if (tapCanh[i].DiemDau.Equals(a) || tapCanh[i].DiemCuoi.Equals(a))
{
tapCanh.RemoveAt(i);
}
}
}
void ht_DoubleClick(object sender, EventArgs e)
{
demDinh--;
var ht = sender as DiemHinhTron;
for (int i = 0; i < tapDinh.Count; i++)
{
if (ht.Equals(tapDinh[i]))
{
tapDinh.RemoveAt(i);
}
}
XoaCanh(ht);
lastedClick = null;
form.Controls.Remove(ht);
form.Invalidate();
}
void ht_Click(object sender, EventArgs e)
{
var ht = sender as DiemHinhTron;
ht.Color = Color.Red;
if (lastedClick == null)
{
lastedClick = ht;
return;
}
if (ht.Equals(lastedClick))
{
ht.Color = Color.Blue;
lastedClick = null;
return;
}
var canh = new Canh(lastedClick, ht);
ThemCanh(canh);
lastedClick = null;
}
public bool Overlap(DiemHinhTron other)
{
return(other.Bounds.IntersectsWith(this.Bounds));
}
