// Gan cac gia tri cho m_Shape
private void Gan(CShape shape)
{
shape.SetDrawMode(GDI.R2_NOTXORPEN);
shape.SetWidth(int.Parse(tcmbWidth.SelectedItem.ToString()));
shape.SetPenStyle(Chon(tcmbPenStyle.SelectedItem.ToString()));
shape.SetColor(_RGB(m_R, m_G, m_B));
}
private void tButPolygon_Click(object sender, EventArgs e)
{
UnChecked();
tButPolygon.Checked = true;
Xoa();
flag = false;
m_Shape = new CPolygon();
m_Shape.SetWidth(int.Parse(tcmbWidth.SelectedItem.ToString()));
m_Shape.SetPenStyle(Chon(tcmbPenStyle.SelectedItem.ToString()));
m_Shape.SetColor(_RGB(m_R, m_G, m_B));
}