protected internal virtual void OnPaintScrollBarArrow(TCEventArgs.PaintScrollBarArrowEventArgs e) { Graphics graphics = e.Graphics; Rectangle arrowRectangle = e.ArrowRectangle; ControlState controlState = e.ControlState; ArrowDirection arrowDirection = e.ArrowDirection; Orientation orientation = e.Orientation; bool enabled = e.Enabled; Color backNormal = this.BackNormal; Color begin = this.Base; Color border = this.Border; Color innerBorder = this.InnerBorder; Color fore = this.Fore; bool changeColor = false; if (enabled) { switch (controlState) { case ControlState.Hover: begin = this.BackHover; goto Label_00BD; case ControlState.Pressed: begin = this.BackPressed; changeColor = true; goto Label_00BD; } begin = this.Base; } else { backNormal = this.GetGray(backNormal); begin = this.GetGray(this.Base); border = this.GetGray(border); fore = this.GetGray(fore); } Label_00BD: using (new SmoothingModeGraphics(graphics)) { ControlPaintEx.DrawScrollBarArraw(graphics, arrowRectangle, begin, backNormal, border, innerBorder, fore, e.Orientation, arrowDirection, changeColor); } }
private void DrawScrollBar(IntPtr maskHWnd, Rectangle bounds, Rectangle trackRect, Rectangle topLeftArrowRect, Rectangle bottomRightArrowRect, Rectangle thumbRect, ControlState topLeftArrowState, ControlState bottomRightArrowState, ControlState thumbState, Orientation direction) { bool flag = direction == Orientation.Horizontal; bool enabled = this._owner.Enabled; IScrollBarPaint paint = this._owner as IScrollBarPaint; if (paint != null) { ImageDc dc = new ImageDc(bounds.Width, bounds.Height); IntPtr dC = Win32.NativeMethods.GetDC(maskHWnd); try { using (Graphics graphics = Graphics.FromHdc(dc.Hdc)) { using (TCEventArgs.PaintScrollBarTrackEventArgs args = new TCEventArgs.PaintScrollBarTrackEventArgs(graphics, trackRect, direction, enabled)) { paint.OnPaintScrollBarTrack(args); } ArrowDirection arrowDirection = flag ? ArrowDirection.Left : ArrowDirection.Up; using (TCEventArgs.PaintScrollBarArrowEventArgs args2 = new TCEventArgs.PaintScrollBarArrowEventArgs(graphics, topLeftArrowRect, topLeftArrowState, arrowDirection, direction, enabled)) { paint.OnPaintScrollBarArrow(args2); } arrowDirection = flag ? ArrowDirection.Right : ArrowDirection.Down; using (TCEventArgs.PaintScrollBarArrowEventArgs args3 = new TCEventArgs.PaintScrollBarArrowEventArgs(graphics, bottomRightArrowRect, bottomRightArrowState, arrowDirection, direction, enabled)) { paint.OnPaintScrollBarArrow(args3); } using (TCEventArgs.PaintScrollBarThumbEventArgs args4 = new TCEventArgs.PaintScrollBarThumbEventArgs(graphics, thumbRect, thumbState, direction, enabled)) { paint.OnPaintScrollBarThumb(args4); } } Win32.NativeMethods.BitBlt(dC, 0, 0, bounds.Width, bounds.Height, dc.Hdc, 0, 0, 0xcc0020); } finally { Win32.NativeMethods.ReleaseDC(maskHWnd, dC); dc.Dispose(); } } }
void IScrollBarPaint.OnPaintScrollBarArrow(TCEventArgs.PaintScrollBarArrowEventArgs e) { this.OnPaintScrollBarArrow(e); }