private void DisplayBox_MouseMove(object sender, MouseEventArgs e)
{
var result = DrawGraphics.DrawBitmap(e, this.DisplayBox, vectorPointsList, pivotX, pivotY);
DrawGrids();
DrawAngleAxis(result);
DisplayBox.Refresh();
}
private void DrawGrids()
{
using (var g = System.Drawing.Graphics.FromImage(DisplayBox.Image))
{
g.DrawLine(Pens.Gray, (float)pivotX, (float)pivotY, DisplayBox.Width, (float)pivotY);
g.DrawLine(Pens.Gray, (float)pivotX, 0, (float)pivotX, DisplayBox.Height);
DisplayBox.Refresh();
}
}