BF2Statistics.SplitButton.OnPaint C# (CSharp) Method

        protected override void OnPaint(PaintEventArgs pevent)
        {
            base.OnPaint(pevent);

            if (!showSplit)
                return;

            Graphics g = pevent.Graphics;
            Rectangle bounds = ClientRectangle;

            // draw the button background as according to the current state.
            if (State != PushButtonState.Pressed && IsDefault && !Application.RenderWithVisualStyles)
            {
                Rectangle backgroundBounds = bounds;
                backgroundBounds.Inflate(-1, -1);
                ButtonRenderer.DrawButton(g, backgroundBounds, State);

                // button renderer doesnt draw the black frame when themes are off
                g.DrawRectangle(SystemPens.WindowFrame, 0, 0, bounds.Width - 1, bounds.Height - 1);
            }
            else
            {
                ButtonRenderer.DrawButton(g, bounds, State);
            }

            // calculate the current dropdown rectangle.
            dropDownRectangle = new Rectangle(bounds.Right - SplitSectionWidth, 0, SplitSectionWidth, bounds.Height);

            int internalBorder = BorderSize;
            Rectangle focusRect =
                new Rectangle(internalBorder - 1,
                              internalBorder - 1,
                              bounds.Width - dropDownRectangle.Width - internalBorder,
                              bounds.Height - (internalBorder * 2) + 2);

            bool drawSplitLine = ((showSplit && ShowSplitlineAlways) || State == PushButtonState.Hot || State == PushButtonState.Pressed || !Application.RenderWithVisualStyles);

            if (RightToLeft == RightToLeft.Yes)
            {
                dropDownRectangle.X = bounds.Left + 1;
                focusRect.X = dropDownRectangle.Right;

                if (drawSplitLine)
                {
                    // draw two lines at the edge of the dropdown button
                    g.DrawLine(SystemPens.ButtonShadow, bounds.Left + SplitSectionWidth, BorderSize, bounds.Left + SplitSectionWidth, bounds.Bottom - BorderSize);
                    g.DrawLine(SystemPens.ButtonFace, bounds.Left + SplitSectionWidth + 1, BorderSize, bounds.Left + SplitSectionWidth + 1, bounds.Bottom - BorderSize);
                }
            }
            else
            {
                if (drawSplitLine)
                {
                    // draw two lines at the edge of the dropdown button
                    g.DrawLine(SystemPens.ButtonShadow, bounds.Right - SplitSectionWidth, BorderSize, bounds.Right - SplitSectionWidth, bounds.Bottom - BorderSize);
                    g.DrawLine(SystemPens.ButtonFace, bounds.Right - SplitSectionWidth - 1, BorderSize, bounds.Right - SplitSectionWidth - 1, bounds.Bottom - BorderSize);
                }
            }

            // Draw an arrow in the correct location
            PaintArrow(g, dropDownRectangle);

            //paint the image and text in the "button" part of the splitButton
            PaintTextandImage(g, new Rectangle(0, 0, ClientRectangle.Width - SplitSectionWidth, ClientRectangle.Height));

            // draw the focus rectangle.
            if (State != PushButtonState.Pressed && Focused && ShowFocusCues)
            {
                ControlPaint.DrawFocusRectangle(g, focusRect);
            }
        }