示例#1
0
        protected override void OnDrawItem(DrawItemEventArgs e)
        {
            Graphics  grfx      = e.Graphics;
            Rectangle rectColor = new Rectangle(e.Bounds.Left, e.Bounds.Top, 2 * e.Bounds.Height, e.Bounds.Height);

            rectColor.Inflate(-1, -1);

            Rectangle rectText = new Rectangle(e.Bounds.Left + 2 * e.Bounds.Height,
                                               e.Bounds.Top,
                                               e.Bounds.Width - 2 * e.Bounds.Height,
                                               e.Bounds.Height);

            if (this.Enabled)
            {
                e.DrawBackground();
            }

            grfx.DrawRectangle(new Pen(e.ForeColor), rectColor);

            string text       = string.Empty;
            object objAtIndex = e.Index >= 0 ? Items[e.Index] : SelectedItem;

            if (objAtIndex is Color)
            {
                Color itemColor = (Color)objAtIndex;
                grfx.FillRectangle(new SolidBrush(itemColor), rectColor);
                if (itemColor.IsNamedColor)
                {
                    text = itemColor.Name;
                }
                else if (ColorDictionary.IsBaseColorNamed(itemColor))
                {
                    int transparency = ((255 - itemColor.A) * 100) / 255;
                    text = "T" + transparency.ToString() + ColorDictionary.GetBaseColorName(itemColor);
                }
                else
                {
                    text = "Custom Color";
                }
            }
            else if (objAtIndex is BrushX)
            {
                BrushX itemBrush = (BrushX)objAtIndex;
                itemBrush.Rectangle = rectColor;
                grfx.FillRectangle(itemBrush, rectColor);
                text = "Custom Brush";
            }

            grfx.DrawString(text, Font, new SolidBrush(e.ForeColor), rectText);
        }
示例#2
0
        protected override void OnDrawItem(DrawItemEventArgs e)
        {
            Graphics  grfx      = e.Graphics;
            Rectangle rectColor = new Rectangle(e.Bounds.Left, e.Bounds.Top, 2 * e.Bounds.Height, e.Bounds.Height);

            rectColor.Inflate(-1, -1);

            Rectangle rectText = new Rectangle(e.Bounds.Left + 2 * e.Bounds.Height,
                                               e.Bounds.Top,
                                               e.Bounds.Width - 2 * e.Bounds.Height,
                                               e.Bounds.Height);

            if (this.Enabled)
            {
                e.DrawBackground();
            }

            grfx.DrawRectangle(new Pen(e.ForeColor), rectColor);

            Color itemColor = e.Index < 0 ? Color.Black : (Color)Items[e.Index];

            grfx.FillRectangle(new SolidBrush(itemColor), rectColor);
            string text = "Custom";

            if (itemColor.IsNamedColor)
            {
                text = itemColor.Name;
            }
            else if (ColorDictionary.IsBaseColorNamed(itemColor))
            {
                int transparency = ((255 - itemColor.A) * 100) / 255;
                text = "T" + transparency.ToString() + ColorDictionary.GetBaseColorName(itemColor);
            }

            grfx.DrawString(text, Font, new SolidBrush(e.ForeColor), rectText);
        }