AddonHelper.FormDrag.SetArea C# (CSharp) Méthode

        void SetArea()
        {
            this.ScreenBox.Left = this.Selection.X;
            this.ScreenBox.Top = this.Selection.Y;
            this.ScreenBox.Width = this.Selection.Width;
            this.ScreenBox.Height = this.Selection.Height;

            {
                bool flipAround = this.ScreenBox.Top - this.picWidth.Height < 0;

                this.picWidth.Left = this.ScreenBox.Left;
                this.picWidth.Top = !flipAround ? (this.ScreenBox.Top - this.picWidth.Height) : (this.ScreenBox.Top + this.ScreenBox.Height);
                this.picWidth.Width = this.ScreenBox.Width > 0 ? this.ScreenBox.Width : 1;

                Bitmap bmp = new Bitmap(this.picWidth.Width, this.picWidth.Height);
                Graphics g = Graphics.FromImage(bmp);

                g.DrawLine(Pens.White, new Point(0, 0), new Point(0, bmp.Height));
                g.DrawLine(Pens.White, new Point(0, bmp.Height / 2), new Point(bmp.Width, bmp.Height / 2));
                g.DrawLine(Pens.White, new Point(bmp.Width - 1, 0), new Point(bmp.Width - 1, bmp.Height));

                g.DrawString(this.Selection.Width.ToString(), SystemFonts.DefaultFont, Brushes.White, new PointF(!flipAround ? 10 : bmp.Width - 40, 0));

                this.picWidth.Image = bmp;
            }

            {
                bool flipAround = this.ScreenBox.Left - this.picHeight.Width < 0;

                this.picHeight.Left = !flipAround ? (this.ScreenBox.Left - this.picHeight.Width) : (this.ScreenBox.Left + this.ScreenBox.Width);
                this.picHeight.Top = this.ScreenBox.Top;
                this.picHeight.Height = this.ScreenBox.Height > 0 ? this.ScreenBox.Height : 1;

                Bitmap bmp = new Bitmap(this.picHeight.Width, this.picHeight.Height);
                Graphics g = Graphics.FromImage(bmp);

                g.DrawLine(Pens.White, new Point(0, 0), new Point(bmp.Width, 0));
                g.DrawLine(Pens.White, new Point(bmp.Width / 2, 0), new Point(bmp.Width / 2, bmp.Height));
                g.DrawLine(Pens.White, new Point(0, bmp.Height - 1), new Point(bmp.Width, bmp.Height - 1));

                g.TranslateTransform(0, !flipAround ? 40 : bmp.Height - 10);
                g.RotateTransform(-90);
                g.DrawString(this.Selection.Height.ToString(), SystemFonts.DefaultFont, Brushes.White, new PointF());

                this.picHeight.Image = bmp;
            }
        }