ImageGlass.ImageBox.OnPaint C# (CSharp) Method

        protected override void OnPaint(PaintEventArgs e)
        {
            if (AllowPainting)
            {
                // draw the background
                DrawBackground(e);

                // draw the image
                if (!ViewSize.IsEmpty)
                {
                    DrawImageBorder(e.Graphics);
                }
                if (VirtualMode)
                {
                    OnVirtualDraw(e);
                }
                else if (Image != null)
                {
                    DrawImage(e.Graphics);
                }

                // draw the grid
                if (ShowPixelGrid && !VirtualMode)
                {
                    DrawPixelGrid(e.Graphics);
                }

                // draw the selection
                if (SelectionRegion != Rectangle.Empty)
                {
                    DrawSelection(e);
                }

                // text
                if (!string.IsNullOrEmpty(Text) && TextDisplayMode != ImageBoxGridDisplayMode.None)
                {
                    DrawText(e);
                }

                // scrollbar corners
                if (HorizontalScroll.Visible && VerticalScroll.Visible)
                {
                    int x;
                    int y;
                    int w;
                    int h;
                    Size clientSize;

                    clientSize = ClientSize;
                    w = _vScrollBar.Width;
                    h = _hScrollBar.Height;
                    x = clientSize.Width - w;
                    y = clientSize.Height - h;

                    e.Graphics.FillRectangle(SystemBrushes.Control, x, y, w, h);
                }

                base.OnPaint(e);
            }
        }