/// <summary> /// paint header background /// </summary> /// <param name="pcust"></param> /// <param name="rect"></param> internal virtual void PaintBackGround(NativeCustomDraw.NMCUSTOMDRAW pcust, NativeWindowCommon.RECT rect) { if (TitleBrush != IntPtr.Zero) { NativeWindowCommon.FillRect(pcust.hdc, ref rect, TitleBrush); } }
/// <summary> /// Draw Header section filter /// </summary> /// <param name="hdc"></param> /// <param name="rct"></param> /// <param name="g"></param> public void DrawFilter(IntPtr hdc, NativeWindowCommon.RECT rct) { //Filter line drawing int x = rct.right - FILTER_WIDTH; int bottomY = 0; Header.HeaderRenderer.DrawLine(hdc, new Point(x, bottomY), new Point(x, Header.FilterHeight)); //Filter highlight drawing NativeWindowCommon.RECT rectHighlight = new NativeWindowCommon.RECT() { bottom = Header.FilterHeight, top = 0, left = rct.right - FILTER_WIDTH + 1, right = rct.right + 1 }; if ((FilterColor != Color.Empty) && !Header.OnSectionResize) { if (Header.TitleColor != Color.Empty) { Header.HighlightBrush = NativeWindowCommon.CreateSolidBrush(ColorTranslator.ToWin32(FilterColor)); } else { Header.HighlightBrush = NativeWindowCommon.CreateSolidBrush(ColorTranslator.ToWin32(Color.FromArgb(255, 149, 202, 255))); } NativeWindowCommon.FillRect(hdc, ref rectHighlight, Header.HighlightBrush); NativeWindowCommon.DeleteObject(Header.HighlightBrush); } int filterWidthIcon = FILTER_WIDTH / 3; //Filter arrow drawing NativeWindowCommon.POINT[] points = new NativeWindowCommon.POINT[3]; //right points[0].x = rct.right - filterWidthIcon; points[0].y = rct.top + (rct.bottom - rct.top) / 2 - 2; // center point points[1].x = rct.right - FILTER_WIDTH / 2; points[1].y = points[0].y + filterWidthIcon / 2; // left point points[2].x = points[0].x - filterWidthIcon; points[2].y = points[0].y; NativeWindowCommon.SelectObject(hdc, Header.FilterBrush); NativeWindowCommon.SelectObject(hdc, Header.FilterPen); NativeWindowCommon.Polygon(hdc, points, 3); }