private void videoSlider_Scroll(object sender, EventArgs e) => actualPicture = MathFunctions.PercentToValue(pictureGiver.RunFrom, pictureGiver.RunTo, videoSlider.Value);
public virtual void DrawMask(Graphics gr) => gr.DrawString(Tag, drawFont, drawBrush, MathFunctions.PercentToValue(0, gr.ClipBounds.Width, percentRectangle.X), MathFunctions.PercentToValue(0, gr.ClipBounds.Height, percentRectangle.Y));