public void MoveControlPoint(ChartLine line, Point mousePosition, bool resize)
{
if (line.drawingMode == DrawingMode.P1)
{
line.MoveP1(mousePosition, resize);
}
else if (line.drawingMode == DrawingMode.P2)
{
line.MoveP2(mousePosition, resize);
}
else if (line.drawingMode == DrawingMode.Mid)
{
line.MoveMid(mousePosition);
}
}
