protected virtual void PositionMidLabel(DiagramShape lab, PointF a, PointF b)
{
PointF tf1 = new PointF((a.X + b.X) / 2f, (a.Y + b.Y) / 2f);
int num1 = 1;
if (!this.MidLabelCentered)
{
if (a.X < b.X)
{
if (base.IsApprox(a.Y, b.Y))
{
num1 = 0x80;
}
else if (a.Y < b.Y)
{
num1 = 0x10;
}
else
{
num1 = 8;
}
}
else if (base.IsApprox(a.Y, b.Y))
{
num1 = 0x20;
}
else if (a.Y < b.Y)
{
num1 = 2;
}
else
{
num1 = 4;
}
}
lab.SetSpotLocation(num1, tf1);
}
