C# Forms.DrawListViewItemEventArgs类代码示例

        private void drawitem(object sender, DrawListViewItemEventArgs e)
        {
            int i = (int)e.Item.Tag;

            bool patched;
            Bitmap bmp = Textures.GetTexture(i, out patched);

            if (bmp != null)
            {
                int width = bmp.Width;
                int height = bmp.Height;

                if (width >= e.Bounds.Width)
                    width = e.Bounds.Width - 2;

                if (height >= e.Bounds.Height)
                    height = e.Bounds.Height - 2;

                e.Graphics.DrawImage(bmp, new Rectangle(e.Bounds.X + 1, e.Bounds.Y + 1, width, height));

                if (listView1.SelectedItems.Contains(e.Item))
                    e.DrawFocusRectangle();
                else if (patched)
                    e.Graphics.DrawRectangle(Pens.LightCoral, e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height);
                else
                    e.Graphics.DrawRectangle(Pens.Gray, e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height);
            }
        }

        protected override void OnDrawItem(DrawListViewItemEventArgs e)
        {
            if (!UseAlternatingColors) base.OnDrawItem(e);
            else e.Item.BackColor = e.ItemIndex % 2 == 0 ? OddRowColor : EvenRowColor;

            e.DrawDefault = true;
        }

        private void drawitem(object sender, DrawListViewItemEventArgs e)
        {
            int i = int.Parse(e.Item.Text.ToString());
            Bitmap bmp;
            char c = (char)i;
            if ((int)treeView.SelectedNode.Parent.Tag == 1) // Unicode
                bmp = UnicodeFonts.Fonts[(int)treeView.SelectedNode.Tag].Chars[i].GetImage();
            else
                bmp = (Bitmap)e.Item.Tag;

            if (listView1.SelectedItems.Contains(e.Item))
                e.Graphics.FillRectangle(Brushes.LightBlue, e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height);
            e.Graphics.DrawString(c.ToString(), Fonts.DefaultFont, Brushes.Gray, e.Bounds.X + e.Bounds.Width / 2, e.Bounds.Y + e.Bounds.Height / 2);
            if (bmp != null)
            {
                int width = bmp.Width;
                int height = bmp.Height;

                if (width > e.Bounds.Width)
                    width = e.Bounds.Width - 2;

                if (height > e.Bounds.Height)
                    height = e.Bounds.Height - 2;

                e.Graphics.DrawImage(bmp, new Rectangle(e.Bounds.X + 2, e.Bounds.Y + 2, width, height));

            }
            e.Graphics.DrawRectangle(new Pen(Color.Gray), e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height);
        }

        protected override void OnDrawItem(DrawListViewItemEventArgs e)
        {
            //We draw the current line of items (= item with subitems) on a temp bitmap, then draw the bitmap at once. This is to reduce flickering.
            using (Bitmap b = new Bitmap(e.Item.Bounds.Width, e.Item.Bounds.Height))
            {
                using (Graphics g = Graphics.FromImage(b))
                {
                    if (e.State.HasFlag(ListViewItemStates.Selected))
                    {
                        // selected background
                        g.FillRectangle(SkinManager.GetFlatButtonPressedBackgroundBrush(), new Rectangle(new Point(0, 0), e.Bounds.Size));
                    }
                    else if (e.Bounds.Contains(MouseLocation) && MouseState == MouseState.HOVER)
                    {
                        // hover background
                        g.FillRectangle(SkinManager.GetFlatButtonHoverBackgroundBrush(), new Rectangle(new Point(0, 0), e.Bounds.Size));
                    }
                    else
                    {
                        // draw item back color
                        g.FillRectangle(new SolidBrush(e.Item.BackColor), new Rectangle(new Point(0, 0), e.Bounds.Size));
                    }

                    // Draw separator
                    g.DrawLine(new Pen(SkinManager.GetDividersColor()), e.Bounds.Left, 0, e.Bounds.Right, 0);

                    // draw item
                    e.Graphics.DrawImage(b, e.Item.Bounds.Location);
                }
            }
        }

 void listViewResults_DrawItem(object sender, DrawListViewItemEventArgs e)
 {
     if (0 != (e.State & ListViewItemStates.Selected))
     {
         e.Graphics.FillRectangle(Brushes.Yellow, e.Bounds);
         //ForeColor = Color.White;
     }
     else
     {
         //ForeColor = Color.Black;
         if (e.ItemIndex % 2 == 0)
         {
             e.Graphics.FillRectangle(Brushes.BlanchedAlmond, e.Bounds);
         }
         else
         {
             e.Graphics.FillRectangle(Brushes.White, e.Bounds);
         }
         if (0 != (e.State & ListViewItemStates.Focused))
         {
             e.DrawFocusRectangle();
         }
     }
     e.DrawText();
 }

        protected override void OnDrawItem(DrawListViewItemEventArgs e)
        {
            var item = (CustomListViewItem)Items[e.ItemIndex];

            if (item.ImageList == null) return;

            var img = item.ImageList.Images[item.ImageIndex];

            e.Graphics.DrawImage(img, item.Bounds.X, item.Bounds.Y);
            e.Graphics.DrawRectangle(pBlack, item.Bounds.X, item.Bounds.Y, img.Width, img.Height);

            if (item.Selected && item.SelectionOpacity < 255)
                item.SelectionOpacity += 5;
            if (!item.Selected && item.SelectionOpacity > 0)
                item.SelectionOpacity -= 5;

            Pen pBlue = new Pen(Color.FromArgb(item.SelectionOpacity, Color.DodgerBlue)) { Width = 3 };
            GraphicsPath rounded = RoundedRectangle.Create(item.Bounds.X - 1, item.Bounds.Y - 1, img.Width + 2, img.Height + 1, 5);
            e.Graphics.DrawPath(pBlue, rounded);

            base.OnDrawItem(e);

            if (item.SelectionOpacity > 0 && item.SelectionOpacity < 255)
                Invalidate();
        }

        protected override void OnDrawItem(DrawListViewItemEventArgs e)
        {
            base.OnDrawItem(e);

            var item = e.Item as IconListViewItem;

            // Draw item

            e.Graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
            e.Graphics.CompositingQuality = CompositingQuality.HighQuality;
            e.Graphics.Clip = new Region(e.Bounds);

            if (e.Item.Selected)
                e.Graphics.FillRectangle(SystemBrushes.MenuHighlight, e.Bounds);

            int w = Math.Min(128, item.Bitmap.Width);
            int h = Math.Min(128, item.Bitmap.Height);

            int x = e.Bounds.X + (e.Bounds.Width - w) / 2;
            int y = e.Bounds.Y + (e.Bounds.Height - h) / 2;
            var dstRect = new Rectangle(x, y, w, h);
            var srcRect = new Rectangle(Point.Empty, item.Bitmap.Size);

            e.Graphics.DrawImage(item.Bitmap, dstRect, srcRect, GraphicsUnit.Pixel);

            var textRect = new Rectangle(
                e.Bounds.Left, e.Bounds.Bottom - Font.Height - 4,
                e.Bounds.Width, Font.Height + 2);
            TextRenderer.DrawText(e.Graphics, item.ToolTipText, Font, textRect, ForeColor);

            e.Graphics.Clip = new Region();
            e.Graphics.DrawRectangle(SystemPens.ControlLight, e.Bounds);
        }

        private void IconListView_DrawItem(object sender, DrawListViewItemEventArgs e)
        {
            IconListViewItem item = e.Item as IconListViewItem;
            if (item == null)
            {
                e.DrawDefault = true;
                return;
            }

            // Draw item
            e.DrawBackground();
            Pen border = SystemPens.ControlLight;
            if (e.Item.Selected)
            {
                if (this.Focused)
                    border = SystemPens.Highlight;
                else
                    border = SystemPens.ButtonFace;
            }
            int centerSpacing = (e.Bounds.Width - this.TileSize.Width - TilePadding.Horizontal) / 2 + TilePadding.Left;
            Rectangle newBounds = new Rectangle(e.Bounds.X + centerSpacing, e.Bounds.Y + TilePadding.Top, this.TileSize.Width, this.TileSize.Height);
            e.Graphics.DrawRectangle(border, newBounds);

            //e.Graphics.DrawString("Whatever", this.Font, e., 0, 0);
            int x = e.Bounds.X + (newBounds.Width - item.Icon.Width) / 2 + centerSpacing + 1;
            int y = e.Bounds.Y + (newBounds.Height - item.Icon.Height) / 2 + TilePadding.Top + 1;
            Rectangle rect = new Rectangle(x, y, item.Icon.Width, item.Icon.Height);
            Region clipReg = new Region(newBounds);
            e.Graphics.Clip = clipReg;
            e.Graphics.DrawIcon(item.Icon, rect);

            string text = string.Format("{0} x {1}", item.Icon.Width, item.Icon.Height);
            SizeF stringSize = e.Graphics.MeasureString(text, this.Font);
            int stringWidth = (int) Math.Round(stringSize.Width);
            int stringHeight = (int) Math.Round(stringSize.Height);
            x = e.Bounds.X + (e.Bounds.Width - stringWidth - TilePadding.Horizontal) / 2 + TilePadding.Left;
            y = e.Bounds.Y + this.TileSize.Height + verticalSpacing + TilePadding.Top;
            clipReg = new Region(e.Bounds);
            e.Graphics.Clip = clipReg;
            if (e.Item.Selected)
            {
                if (this.Focused)
                {
                    e.Graphics.FillRectangle(SystemBrushes.Highlight, x - 1, y - 1, stringWidth + 2, stringSize.Height + 2);
                    e.Graphics.DrawString(text, this.Font, SystemBrushes.HighlightText, x, y);
                }
                else
                {
                    e.Graphics.FillRectangle(SystemBrushes.ButtonFace, x - 1, y - 1, stringWidth + 2, stringSize.Height + 2);
                    e.Graphics.DrawString(text, this.Font, SystemBrushes.ControlText, x, y);
                }
            }
            else
                e.Graphics.DrawString(text, this.Font, SystemBrushes.ControlText, x, y);
        }

		protected override void OnDrawItem(DrawListViewItemEventArgs e)
		{
            float fillPercent = 0;
            Color highlightColor = Color.White;
            if (e.Item is MaterialListViewItem)
            {
                MaterialListViewItem mlvi = e.Item as MaterialListViewItem;
                fillPercent = mlvi.fillPercent;
                highlightColor = mlvi.highlightColor;
            }


			//We draw the current line of items (= item with subitems) on a temp bitmap, then draw the bitmap at once. This is to reduce flickering.
			var b = new Bitmap(e.Item.Bounds.Width, e.Item.Bounds.Height);
			var g = Graphics.FromImage(b);

            //always draw default background
            int divideSpot = (int)((fillPercent * e.Bounds.Size.Width) / 100);      //The spot where the progress splits into background color

            Rectangle firstRect = e.Bounds;     //Set the rectnagle of where
            firstRect.Width = divideSpot;       //the progress is drawn

            g.FillRectangle(new SolidBrush(e.Item.BackColor), new Rectangle(new Point(e.Bounds.X, 0), e.Bounds.Size));      //Draw the item's normal background
            g.FillRectangle(new SolidBrush(highlightColor), new Rectangle(new Point(e.Bounds.X, 0), firstRect.Size));       //Fill with highlight
            

            if (e.State.HasFlag(ListViewItemStates.Selected))
			{
				//selected background
				g.FillRectangle(SkinManager.GetFlatButtonPressedBackgroundBrush(), new Rectangle(new Point(e.Bounds.X, 0), e.Bounds.Size));
			}
			else if (e.Bounds.Contains(MouseLocation) && MouseState == MouseState.HOVER)
			{
				//hover background
				g.FillRectangle(SkinManager.GetFlatButtonHoverBackgroundBrush(), new Rectangle(new Point(e.Bounds.X, 0), e.Bounds.Size));
			}


			//Draw separator
			g.DrawLine(new Pen(SkinManager.GetDividersColor()), e.Bounds.Left, 0, e.Bounds.Right, 0);
			
			foreach (ListViewItem.ListViewSubItem subItem in e.Item.SubItems)
			{
				//Draw text
				g.DrawString(subItem.Text, SkinManager.ROBOTO_MEDIUM_10, SkinManager.GetPrimaryTextBrush(),
								 new Rectangle(subItem.Bounds.Location.X + ITEM_PADDING, ITEM_PADDING, subItem.Bounds.Width - 2 * ITEM_PADDING, subItem.Bounds.Height - 2 * ITEM_PADDING),
								 getStringFormat());
			}

			e.Graphics.DrawImage((Image) b.Clone(), e.Item.Bounds.Location);
			g.Dispose();
			b.Dispose();
		}

        protected override void OnDrawItem(DrawListViewItemEventArgs e) {
            // Update alternating row colours.
            if ((e.ItemIndex + 1) % 2 == 0) {
                e.Item.BackColor = AlternatingRowColour;
            }
            else {
                e.Item.BackColor = DefaultRowColour;
            }

            e.DrawDefault = true;

            base.OnDrawItem(e);
        }

        public static void DrawListItems(object sender, DrawListViewItemEventArgs e)
        {
            Rectangle itemRect = new Rectangle(e.Bounds.X + 5, e.Bounds.Y, e.Bounds.Width - 10, e.Bounds.Height - 1);

            SolidBrush selectedBackground = new SolidBrush(Color.FromArgb(100, 12, 123, 204));
            Pen selectedStroke = new Pen(Color.FromArgb(12, 123, 204));
            e.DrawDefault = true;
            if (e.Item.Selected)
            {
                e.Graphics.FillRectangle(selectedBackground, itemRect);
                e.Graphics.DrawRectangle(selectedStroke, itemRect);
            }
        }

 protected override void OnDrawItem(DrawListViewItemEventArgs e)
 {
     base.FullRowSelect = _FullRowSelect;
     if ( !this.ContainsFocus && !_HideSelection )
     {
         ListViewItemStates status = e.Item.Selected ? ListViewItemStates.Selected : e.State;
         base.OnDrawItem(new DrawListViewItemEventArgs(e.Graphics, e.Item, e.Bounds, e.ItemIndex, status));
     }
     else
     {
         base.OnDrawItem(e);
     }
 }

		protected override void OnDrawItem(DrawListViewItemEventArgs eventArgs)
		{
			if (eventArgs.State != 0)
			{
				using (var brush = new LinearGradientBrush(
					eventArgs.Bounds, Color.AliceBlue, Color.CornflowerBlue, LinearGradientMode.Horizontal))
				{
					// Draw the background for a selected item.
					eventArgs.Graphics.FillRectangle(brush, eventArgs.Bounds);
					var highlightBrush = new SolidBrush(SystemColors.Highlight);
					var iconRect = eventArgs.Item.GetBounds(ItemBoundsPortion.Icon);
					var iconsSpacerRect = GetIconsSpacerBounds(eventArgs.Item);
					// Draw selection rectangle for an item if item is selected.
					if (eventArgs.Item.Selected)
					{
						var selectRect = new Rectangle(eventArgs.Bounds.X, eventArgs.Bounds.Y,
							iconsSpacerRect.X - eventArgs.Bounds.X, eventArgs.Bounds.Height);
						if (selectRect.Width != 0)
							eventArgs.Graphics.FillRectangle(highlightBrush, selectRect);
						selectRect = new Rectangle(iconsSpacerRect.X + iconsSpacerRect.Width, eventArgs.Bounds.Y,
							eventArgs.Bounds.Width - iconsSpacerRect.X - iconsSpacerRect.Width, eventArgs.Bounds.Height);
						if (selectRect.Width != 0)
							eventArgs.Graphics.FillRectangle(highlightBrush, selectRect);
					}
					// Draw focus rectangle for an item if item is focused.
					if (eventArgs.Item.Focused)
						ControlPaint.DrawFocusRectangle(eventArgs.Graphics, eventArgs.Bounds);
					// Draw the image for an item if there is one.
					if (eventArgs.Item.ImageList != null)
					{
						var itemImage = eventArgs.Item.ImageList.Images[eventArgs.Item.ImageIndex];
						var sourceRect = new Rectangle(0, 0, itemImage.Width, itemImage.Height);
						var destinationRect = new Rectangle(iconRect.Location, sourceRect.Size);
						if ((iconsSpacerRect.Width - (iconRect.X - iconsSpacerRect.X)) < destinationRect.Width)
						{
							destinationRect.Width = iconsSpacerRect.Width - (iconRect.X - iconsSpacerRect.X);
							sourceRect.Width = iconsSpacerRect.Width - (iconRect.X - iconsSpacerRect.X);
						}
						eventArgs.Graphics.DrawImage(itemImage, destinationRect, sourceRect, GraphicsUnit.Pixel);
					}
					var labelBounds = eventArgs.Item.GetBounds(ItemBoundsPortion.Label);
					var textRect = new Rectangle(labelBounds.X, eventArgs.Bounds.Y, labelBounds.Width, eventArgs.Bounds.Height);
					TextRenderer.DrawText(eventArgs.Graphics, eventArgs.Item.Text, eventArgs.Item.Font, textRect,
						eventArgs.Item.Selected ? SystemColors.HighlightText : SystemColors.WindowText,
						GetTextFormatFlags(Columns[0]) | TextFormatFlags.EndEllipsis);
				}
			}
			base.OnDrawItem(eventArgs);
		}

        private void HiddenWindowsListView_DrawItem(object sender, DrawListViewItemEventArgs e)
        {
            WindowInfo currentItem = (e.Item as WindowListViewItem).Window;
            switch (this.View)
            {
                case View.LargeIcon:
                    e.DrawDefault = false;
                    e.DrawBackground();
                    Rectangle itemBounds = new Rectangle(e.Bounds.Location, new Size(e.Bounds.Width, 65));

                    //if (e.Item.Selected)
                    //    e.Graphics.FillRectangle(SystemColors.Highlight.ToBrush(), e.Bounds);

                    Rectangle iconBounds = e.Graphics.AddImage(e.Bounds, currentItem.ApplicationIcon, null,
                        (e.Item.Selected) ? 16 : 18);
                    e.Graphics.AddImage(e.Bounds,
                        (currentItem.IsPasswordProtected)
                            ? ActionResource.lockwindow_small
                            : ActionResource.unlockwindow_small, ImageOverlayPosition.TopLeft);
                    if (currentItem.IsPinned)
                        e.Graphics.AddImage(e.Bounds, ActionResource.tack_small, ImageOverlayPosition.TopRight);

                    //e.DrawText(TextFormatFlags.Bottom | TextFormatFlags.EndEllipsis | TextFormatFlags.HorizontalCenter);
                    Rectangle rec = new Rectangle(e.Bounds.X + 2, e.Bounds.Y + 2, e.Bounds.Width - 4,
                        e.Bounds.Height - 4);
                    TextRenderer.DrawText(e.Graphics, e.Item.Text, e.Item.Font, rec, e.Item.ForeColor,
                        TextFormatFlags.Bottom | TextFormatFlags.Left | TextFormatFlags.EndEllipsis
                        | TextFormatFlags.ExpandTabs | TextFormatFlags.SingleLine);

                    //e.DrawFocusRectangle();
                    break;

                default:
                    e.DrawDefault = true;
                    break;
            }
            if ((bool) e.Item.SubItems[1].Tag != currentItem.IsPasswordProtected)
            {
                e.Item.SubItems[1].Tag = currentItem.IsPasswordProtected;
                e.Item.SubItems[1].Text = currentItem.IsPasswordProtected ? "Yes" : "No";
            }
            if ((bool) e.Item.SubItems[2].Tag != currentItem.IsPinned)
            {
                e.Item.SubItems[2].Tag = currentItem.IsPinned;
                e.Item.SubItems[2].Text = currentItem.IsPinned ? "Yes" : "No";
            }
        }

 private void RssListView_DrawItem(object sender, DrawListViewItemEventArgs e)
 {
     if ((e.State & ListViewItemStates.Selected) != 0)
     {
         // Draw the background and focus rectangle for a selected item.
         // e.Graphics.FillRectangle(Brushes.Maroon, e.Bounds);
         e.DrawFocusRectangle();
     }
     else
     {
         // Draw the background for an unselected item.
         /*using (LinearGradientBrush brush =
             new LinearGradientBrush(e.Bounds, Color.Orange,
             Color.Maroon, LinearGradientMode.Horizontal))
         {
             e.Graphics.FillRectangle(brush, e.Bounds);
         }*/
     }
 }