public clsRectangle(clsDiem a, clsDiem b)
{
A1 = a;
B1 = b;
}
public clsEclip(clsDiem a, clsDiem b)
{
A1 = a;
B1 = b;
}
public clsTriangle(clsDiem a, clsDiem b, clsDiem c)
{
A1 = a;
B1 = b;
C1 = c;
}
public clsHinh(clsDiem a, clsDiem b, clsDiem c)
{
A = a;
B = b;
C = c;
}
public clsHinh()
{
A = new clsDiem();
B = new clsDiem();
C = new clsDiem();
}
public clsLine(clsDiem a, clsDiem b)
{
A1 = a;
B1 = b;
}
