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(); } }