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C# Forms.DrawListViewSubItemEventArgs类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C#中System.Windows.Forms.DrawListViewSubItemEventArgs的典型用法代码示例。如果您正苦于以下问题:C# DrawListViewSubItemEventArgs类的具体用法?C# DrawListViewSubItemEventArgs怎么用?C# DrawListViewSubItemEventArgs使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



DrawListViewSubItemEventArgs类属于System.Windows.Forms命名空间,在下文中一共展示了DrawListViewSubItemEventArgs类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。

示例1: listView_DrawSubItem

        private void listView_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
        {
            Rectangle bounds = e.SubItem.Bounds;

            if (e.ColumnIndex == 0)
            {
                bounds.Width = bounds.X + e.Item.SubItems[1].Bounds.X;
            }

            //toggle colors if the item is highlighted
            if (e.Item.Selected && e.Item.ListView.Focused)
            {
                e.SubItem.BackColor = SystemColors.Highlight;
                e.SubItem.ForeColor = e.Item.ListView.BackColor;
            }
            else if (e.Item.Selected && !e.Item.ListView.Focused)
            {
                e.SubItem.BackColor = SystemColors.Control;
                e.SubItem.ForeColor = e.Item.ListView.ForeColor;
            }
            else
            {
                e.SubItem.BackColor = e.Item.ListView.BackColor;
                e.SubItem.ForeColor = e.Item.ListView.ForeColor;
            }

            // Draw the standard header background.
            e.DrawBackground();

            int xOffset = 0;

            if (e.ColumnIndex == 0)
            {
                Point glyphPoint = new Point(4, e.Item.Position.Y + 2);

                MyTask task = e.Item.Tag as MyTask;

                if (string.IsNullOrEmpty(task.TaskGroupName))
                {
                    CheckBoxState state = e.Item.Checked ? CheckBoxState.CheckedNormal : CheckBoxState.UncheckedNormal;
                    CheckBoxRenderer.DrawCheckBox(e.Graphics, glyphPoint, state);
                    xOffset = CheckBoxRenderer.GetGlyphSize(e.Graphics, state).Width + 4;
                }
                else
                {
                    RadioButtonState state = e.Item.Checked ? RadioButtonState.CheckedNormal : RadioButtonState.UncheckedNormal;
                    RadioButtonRenderer.DrawRadioButton(e.Graphics, glyphPoint, state);
                    xOffset = RadioButtonRenderer.GetGlyphSize(e.Graphics, state).Width + 4;
                }
            }

            //add a 2 pixel buffer the match default behavior
            Rectangle rec = new Rectangle(e.Bounds.X + 2 + xOffset, e.Bounds.Y + 2, e.Bounds.Width - 4, e.Bounds.Height - 4);

            //TODO  Confirm combination of TextFormatFlags.EndEllipsis and TextFormatFlags.ExpandTabs works on all systems.  MSDN claims they're exclusive but on Win7-64 they work.
            TextFormatFlags flags = TextFormatFlags.Left | TextFormatFlags.EndEllipsis | TextFormatFlags.ExpandTabs | TextFormatFlags.SingleLine;

            //If a different tabstop than the default is needed, will have to p/invoke DrawTextEx from win32.
            TextRenderer.DrawText(e.Graphics, e.SubItem.Text, e.Item.ListView.Font, rec, e.SubItem.ForeColor, flags);
        }
开发者ID:J-F-B-M,项目名称:BrainSimulator,代码行数:60,代码来源:TaskForm.cs


示例2: lvObjects_DrawSubItem

        private void lvObjects_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
        {
            this.columnName.Width = lvObjects.Width - 16*3 - 4;

            if (e.SubItem.Tag != null)
            {
                if (e.Header == this.columnNetwork)
                {
                    e.DrawBackground();
                    var imageRect = new Rectangle(e.Bounds.X, e.Bounds.Y, e.Bounds.Height, e.Bounds.Height);
                    Image imgToDraw = e.SubItem.Tag.Equals(true) ? Resources.networkIconOn : Resources.networkIconOff;
                    e.Graphics.DrawImage(imgToDraw, imageRect);
                    e.Header.Width = 16;
                }
                else if (e.Header == this.columnPlayer)
                {
                    e.DrawBackground();
                    var imageRect = new Rectangle(e.Bounds.X, e.Bounds.Y, e.Bounds.Height, e.Bounds.Height);
                    Image imgToDraw = e.SubItem.Tag.Equals(true) ? Resources.playerIconOn : Resources.playerIconOff;
                    e.Graphics.DrawImage(imgToDraw, imageRect);
                    e.Header.Width = 16;
                }
            }

            else
            {
                e.DrawDefault = true;
                return;
            }
        }
开发者ID:SnoUweR,项目名称:iTunesSVKS-2,代码行数:30,代码来源:SettingsForm.cs


示例3: dataSelectionList_DrawSubItem

        private void dataSelectionList_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
        {
            Color color;
            switch (e.ColumnIndex)
            {
                case 2:
                    color = Color.FromArgb(int.Parse(e.SubItem.Text));

                    Rectangle rect = e.Bounds;
                    rect.Inflate(-4, -2);

                    using (SolidBrush brush = new SolidBrush(color))
                    {
                        e.Graphics.FillRectangle(brush, rect);
                        e.Graphics.DrawRectangle(Pens.Black, rect);
                    }
                    break;
                case 3:
                    float x1 = e.SubItem.Bounds.X;
                    float x2 = e.SubItem.Bounds.X + e.SubItem.Bounds.Width;
                    float y = e.SubItem.Bounds.Y + e.SubItem.Bounds.Height / 2;

                    color = Color.FromArgb(int.Parse(e.Item.SubItems[2].Text));
                    float thickness = float.Parse(e.Item.SubItems[1].Text);

                    using (Pen pen = new Pen(color, thickness))
                    {
                        e.Graphics.DrawLine(pen, x1, y, x2, y);
                    }
                    break;
                default:
                    e.DrawDefault = true;
                    break;
            }
        }
开发者ID:dadelcarbo,项目名称:StockAnalyzer,代码行数:35,代码来源:StockIndicatorSelectorDialog.cs


示例4: Draw

        public override void Draw(DrawListViewSubItemEventArgs e)
        {
            if (this.hot != Rectangle.Empty)
            {
                if (this.hot != e.Bounds)
                {
                    this.ListView.Invalidate(this.hot);
                    this.hot = Rectangle.Empty;
                }
            }

            if ((!this.DrawIfEmpty) && (string.IsNullOrEmpty(e.SubItem.Text)))
                return;

            Point mouse = e.Item.ListView.PointToClient(Control.MousePosition);

            if ((this.ListView.GetItemAt(mouse.X, mouse.Y) == e.Item) && (e.Item.GetSubItemAt(mouse.X, mouse.Y) == e.SubItem))
            {
                ButtonRenderer.DrawButton(e.Graphics, e.Bounds, e.SubItem.Text, Font, true, PushButtonState.Hot);
                this.hot = e.Bounds;
            }
            else
            {
                ButtonRenderer.DrawButton(e.Graphics, e.Bounds, e.SubItem.Text, Font, false, PushButtonState.Default);
            }
        }
开发者ID:feg-giessen,项目名称:videocommander,代码行数:26,代码来源:ListViewExtender.cs


示例5: nodeListView_DrawSubItem

        private void nodeListView_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
        {
            if (e.ColumnIndex > 0)
            {
                Rectangle bounds = e.SubItem.Bounds;

                if (e.Item.Selected)
                {
                    e.Graphics.FillRectangle(HL_BRUSH, bounds);
                    e.SubItem.ForeColor = SystemColors.HighlightText;
                }
                else
                {
                    e.Graphics.FillRectangle(new SolidBrush(e.Item.BackColor), bounds);
                    e.SubItem.ForeColor = e.Item.ForeColor;
                }

                e.DrawText(TextFormatFlags.VerticalCenter);
                e.Graphics.DrawLine(LINE_PEN, bounds.Left, bounds.Top, bounds.Left, bounds.Bottom);
            }
            else
            {
                e.DrawDefault = true;
            }
        }
开发者ID:J-F-B-M,项目名称:BrainSimulator,代码行数:25,代码来源:NodeSelectionForm.cs


示例6: OnDrawSubItem

        protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
        {
            e.DrawDefault = true;
            base.OnDrawSubItem(e);
            double d;

            if (e.Item.BackColor != Color.MediumPurple)
            {
                if (e.Item.Index % 2 == 0) //theSubItemIndex����ָ��Ҫ�ػ����
                {
                    //e.Item.BackColor = Color.FromArgb(247, 247, 247);

                    e.Item.BackColor = Color.Azure;
                    int count = e.Item.SubItems.Count - 1;
                    while (count >= 1)
                    {
                        e.Item.SubItems[count].BackColor = Color.Azure;
                        count--;
                    }
                    //e.Item.SubItems[2].BackColor = Color.FromArgb(247, 247, 247);
                }
                else
                {
                    //e.Item.ForeColor = Color.;
                }
            }
        }
开发者ID:harryho,项目名称:demo-fx-trading-platform-prototype,代码行数:27,代码来源:ManagedTreeView.cs


示例7: this_DrawSubItem

 void this_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
 {
     if (e.SubItem is IOwnerDrawLVSubItem)
         //描画をカスタマイズするサブアイテムの場合は描画を呼ぶ
         ((IOwnerDrawLVSubItem)e.SubItem).DrawSubItem(e);
     else
         //そうでなければシステムに描画を任せる
         e.DrawDefault = true;
 }
开发者ID:lscyane,项目名称:KCBr,代码行数:9,代码来源:ListViewEx.cs


示例8: OnDrawSubItem

 protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
 {
     object o = ((OLVListItem) e.Item).RowObject;
     if (o is TreePathReference)
     {
         TreePathReference r = (TreePathReference) o;
         e.Item.ForeColor = ActiveGetter(r) ? ActiveForegroudColor : InactiveForegroudColor;
     }
     base.OnDrawSubItem(e);
 }
开发者ID:applejian,项目名称:cyberduck,代码行数:10,代码来源:MulticolorTreeListView.cs


示例9: OnDrawSubItem

 protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
 {
     if ( !this.ContainsFocus && !_HideSelection )
     {
         ListViewItemStates status = e.Item.Selected ? ListViewItemStates.Selected : e.ItemState;
         base.OnDrawSubItem(new DrawListViewSubItemEventArgs(e.Graphics, e.Bounds, e.Item, e.SubItem, e.ItemIndex, e.ColumnIndex, e.Header, status));
     }
     else
         base.OnDrawSubItem(e);
 }
开发者ID:ischool-desktop,项目名称:MOD_Club.General.Zizhu,代码行数:10,代码来源:ListViewEX.cs


示例10: HandleDrawSubItem

 private void HandleDrawSubItem(object sender, DrawListViewSubItemEventArgs e)
 {
     if (e.ItemIndex == -1)
         return;
     e.Graphics.FillRectangle(new SolidBrush(e.ItemState.HasFlag(ListViewItemStates.Selected) ? oRAColours.Colour_Item_BG_0 : oRAColours.Colour_BG_P0), e.Bounds.X, e.Bounds.Y, e.Bounds.Width - 1, e.Bounds.Height - 1);
     if (e.Item.Text == "")
         e.Graphics.DrawLine(new Pen(oRAColours.Colour_BG_P1), Columns[0].Width - 1, e.Bounds.Y, Columns[0].Width - 1, e.Bounds.Y + e.Bounds.Height);
     else
         e.Graphics.DrawLine(new Pen(oRAColours.Colour_BG_P1), e.Bounds.X - 1, e.Bounds.Y, e.Bounds.X - 1, e.Bounds.Y + e.Bounds.Height);
     e.Graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
     e.Graphics.DrawString(e.SubItem.Text, oRAFonts.Font_SubDescription, e.ItemState.HasFlag(ListViewItemStates.Selected) ? new SolidBrush(oRAColours.Colour_Text_H) : new SolidBrush(oRAColours.Colour_Text_N), e.Bounds.Left + 22, e.Bounds.Top + e.Bounds.Height / 2 - e.Graphics.MeasureString(e.Item.Text, oRAFonts.Font_SubDescription).Height / 2);
 }
开发者ID:smoogipooo,项目名称:osu-Replay-Analyzer,代码行数:12,代码来源:CustomListView.cs


示例11: OnDrawSubItem

        protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
        {
            if (e.Item.Selected)
            {
                e.Graphics.FillRectangle(Brushes.Yellow, e.Bounds);
            }
            else
            {
                e.DrawBackground();
            }

            e.Graphics.DrawString(e.SubItem.Text, Font, Brushes.Black, e.Bounds);
        }
开发者ID:HeatherTooill,项目名称:RegExpose,代码行数:13,代码来源:HighlightableListView.cs


示例12: OnDrawSubItem

        protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
        {
            base.OnDrawSubItem(e);
            if (e.ItemState == 0)
            {
                return;
            }
            if ((e.ItemState & ListViewItemStates.Selected) == ListViewItemStates.Selected)
                e.SubItem.BackColor = System.Drawing.Color.LightSkyBlue;
            else
            {
                ConfigData data = e.Item.Tag as ConfigData;
                if (data != null && (data.HasTaskitem || data.IsAutRun))
                {
                    e.SubItem.BackColor = System.Drawing.Color.Pink;
                }
                else if (e.ItemIndex % 2 != 0)
                    e.SubItem.BackColor = HVH_Ken_Modules.GlobalVar.Instanse.StyleColor;
                else
                    e.SubItem.BackColor = this.BackColor;
            }
            e.DrawBackground();

            using (StringFormat sf = new StringFormat())
            {
                HorizontalAlignment align = Columns[e.ColumnIndex].TextAlign;
                if (align == HorizontalAlignment.Center)
                    sf.Alignment = StringAlignment.Center;
                else if (align == HorizontalAlignment.Right)
                    sf.Alignment = StringAlignment.Far;
                e.Graphics.DrawString(e.SubItem.Text, Font, new SolidBrush(ForeColor), e.Bounds, sf);
            }

            e.DrawFocusRectangle(e.Bounds);

            if ((e.ItemState & ListViewItemStates.Focused) == ListViewItemStates.Focused)
            {
                if (this.FullRowSelect == false)
                {
                    if (e.ColumnIndex == 0)
                    {
                        e.DrawFocusRectangle(e.Bounds);
                    }
                }
                else
                    e.DrawFocusRectangle(e.Bounds);

            }
        }
开发者ID:kener1985,项目名称:MyGitHubProj,代码行数:49,代码来源:MyListView.cs


示例13: RssListView_DrawSubItem

        private void RssListView_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
        {
            if (e.ColumnIndex == 1)
            {

                e.Graphics.FillRectangle(new SolidBrush(Color.Blue), e.Bounds);
            }
            else
            {
                //e.Graphics.DrawString(e.SubItem.Text, Font, Brushes.Red, e.Bounds);

                e.DrawDefault = true;
                //e.Graphics.DrawString(e.SubItem.Text,Font,Brushes.Black,e.Bounds);
            }
        }
开发者ID:metaburbia,项目名称:RssTray,代码行数:15,代码来源:RssListView.cs


示例14: OnDrawSubItem

        protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
        {
            ImageListViewSubItem item = e.SubItem as ImageListViewSubItem;

            if (item == null)
            {
                e.DrawDefault = true;
                base.OnDrawSubItem(e);
            }
            else
            {
                using (e.Graphics)
                    item.Drawable.Draw(e.Graphics, e.Bounds);
            }
        }
开发者ID:AssassinUKG,项目名称:monotorrent,代码行数:15,代码来源:ImageListView.cs


示例15: OnDrawSubItem

        protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
        {
            ListViewItem.ListViewSubItem oitem = e.Item.SubItems[e.ColumnIndex];
            ProgressSubItem item = null;

            if (oitem is ProgressSubItem)
                item = (ProgressSubItem)oitem;
            if (item != null && item.ShowProgress && item.ProgressMaxValue > 0)
            {
                double percent = (double)item.ProgressValue / (double)item.ProgressMaxValue;
                if (percent > 1.0f)
                    percent = 1.0f;
                Rectangle rect = item.Bounds;
                Graphics g = e.Graphics;

                //绘制进度条
                Rectangle progressRect = new Rectangle(rect.X + 1, rect.Y + 3, rect.Width - 2, rect.Height - 5);
                g.DrawRectangle(new Pen(new SolidBrush(Color.FromArgb(0x51, 0x51, 0x51)), 1), progressRect);

                //绘制进度
                int progressMaxWidth = progressRect.Width - 1;
                int width = (int)(progressMaxWidth * percent);
                if (width >= progressMaxWidth) width = progressMaxWidth;
                g.FillRectangle(new SolidBrush(Color.FromArgb(0xa4, 0xa3, 0xa3)), new Rectangle(progressRect.X + 1, progressRect.Y + 1, width, progressRect.Height - 1));

                if(item.ShowPercentOverflowProgress)
                {
                    //绘制进度百分比
                    percent *= 100;
                    string percentText = string.Format("{0}% ", percent.ToString("F2"));
                    Size size = TextRenderer.MeasureText(percentText.ToString(), Font);
                    int x = (progressRect.Width - size.Width) / 2;
                    int y = (progressRect.Height - size.Height) / 2 + 3;
                    if (x <= 0) x = 1;
                    if (y <= 0) y = 1;
                    int w = size.Width;
                    int h = size.Height;
                    if (w > progressRect.Width) w = progressRect.Width;
                    if (h > progressRect.Height) h = progressRect.Height;
                    g.DrawString(percentText, this.Font, new SolidBrush(Color.Black), new Rectangle(rect.X + x, rect.Y + y, w, h));
                }
            }
            else
            {
                e.DrawDefault = true;
                base.OnDrawSubItem(e);
            }
        }
开发者ID:cheehwasun,项目名称:BaiduPCS_NET,代码行数:48,代码来源:ListViewProgress.cs


示例16: OnDrawSubItem

		protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e) {
			ListViewItem item = Items[e.ItemIndex];
			if (item == null || !(item is HomuTactListViewItem)) {
				e.DrawDefault = true;
				return;
			}

			HomuTactListEntry entry = (item as HomuTactListViewItem).Entry;
			Color texCol = Color.Black;
			switch (entry.Behavior) {
				case EHomuBehavior.Attack:
				case EHomuBehavior.Attack1st:
				case EHomuBehavior.AttackLast:
				case EHomuBehavior.AttackWeak:
					texCol = Color.Maroon;
					break;
				case EHomuBehavior.React:
				case EHomuBehavior.React1st:
				case EHomuBehavior.ReactLast:
					texCol = Color.Violet;
					break;
				case EHomuBehavior.Avoid:
					texCol = Color.Gray;
					break;
				case EHomuBehavior.Coward:
					texCol = Color.Blue;
					break;
			}

			SolidBrush drawBrush = new SolidBrush(texCol);
			Point drawPoint = new Point(e.Bounds.X, e.Bounds.Y);

			e.DrawBackground();
			if (SelectedIndices.Contains(e.ItemIndex) == true)
				e.Graphics.FillRectangle(Brushes.LightBlue, e.Bounds);

			if (e.ColumnIndex == 0)
				e.Graphics.DrawString(entry.ID.ToString(), new Font(Font, FontStyle.Bold), drawBrush, drawPoint);
			else if (e.ColumnIndex == 1)
				e.Graphics.DrawString(entry.Name, Font, drawBrush, drawPoint);
			else if (e.ColumnIndex == 2)
				e.Graphics.DrawString(entry.Behavior.ToString(), Font, drawBrush, drawPoint);
			else if (e.ColumnIndex == 3 && entry.Behavior != EHomuBehavior.Avoid)
				e.Graphics.DrawString(entry.Skill.ToString(), Font, drawBrush, drawPoint);
			else if (e.ColumnIndex == 4 && entry.Behavior != EHomuBehavior.Avoid && entry.Skill != EHomuSkillUsage.NoSkill)
				e.Graphics.DrawString(entry.Priority.ToString(), Font, drawBrush, drawPoint);
		}
开发者ID:GodLesZ,项目名称:svn-dump,代码行数:47,代码来源:HomuTactListView.cs


示例17: DrawSubItemBackground

		public void DrawSubItemBackground(object sender, DrawListViewSubItemEventArgs e)
		{
			Rectangle r = e.Bounds;

			Brush b = Form.Skin.ListViewNormalBackBrush;

			if(e.ItemIndex % 2 == 1)
				b = Form.Skin.ListViewNormal2BackBrush;

			if(e.Item.Selected)
				b = Form.Skin.ListViewSelectedBackBrush;

			if(e.Item.Focused)
				b = Form.Skin.ListViewFocusedBackBrush;
			
			e.Graphics.FillRectangle(b, r);

			e.Graphics.DrawRectangle(Form.Skin.ListViewGridPen, r);
		}
开发者ID:liftir,项目名称:airvpn-client,代码行数:19,代码来源:ListView.cs


示例18: listView_DrawSubItem

        private void listView_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
        {
            if (e.ColumnIndex == 1)
            {
                using (var ms = new MemoryStream())
                {
                    using (var sw = new StreamWriter(ms))
                    {
                        sw.Write(e.SubItem.Text);
                        sw.Flush();
                        ms.Seek(0, SeekOrigin.Begin);

                        var rtb = new RichTextBox();
                        {
                            rtb.BorderStyle = BorderStyle.None;
                            rtb.LoadFile(ms, RichTextBoxStreamType.RichText);
                            rtb.Location = e.SubItem.Bounds.Location;
                            rtb.Size = e.SubItem.Bounds.Size;
                            rtb.Parent = sender as Control;

                            var bmp = new Bitmap(128, 32);
                            rtb.DrawToBitmap(bmp, rtb.DisplayRectangle);
                            //bmp.Save("test.bmp");

                            e.Graphics.DrawImageUnscaledAndClipped(bmp, e.SubItem.Bounds);
                            //e.DrawBackground();
                            //e.Graphics.DrawString(rtb.Text, SystemFonts.DefaultFont, SystemBrushes.ControlText, e.SubItem.Bounds);
                        }
                    }
                }
            }
            else
            {
                e.DrawBackground();
                e.DrawText();
            }
        }
开发者ID:oojjrs,项目名称:Nuri4,代码行数:37,代码来源:TextForm.cs


示例19: HandleCustomDraw


//.........这里部分代码省略.........
                    // .NET's handling of Tile view and let the underlying control
                    // do its stuff. Strangely, if the Tile view is
                    // completely owner drawn, those erasures don't happen.
                    if (this.View == View.Tile) {
                        if (this.OwnerDraw && this.ItemRenderer != null)
                            base.WndProc(ref m);
                    } else {
                        base.WndProc(ref m);
                    }

                    m.Result = (IntPtr)((int)m.Result | CDRF_NOTIFYPOSTPAINT | CDRF_NOTIFYPOSTERASE);
                    return true;

                case CDDS_ITEMPOSTPAINT:
                    //System.Diagnostics.Debug.WriteLine("CDDS_ITEMPOSTPAINT");
                    if (this.Columns.Count > 0) {
                        OLVListItem olvi = this.GetItem((int)nmcustomdraw.nmcd.dwItemSpec);
                        if (olvi != null)
                            this.drawnItems.Add(olvi);
                    }
                    break;

                case CDDS_SUBITEMPREPAINT:
                    //System.Diagnostics.Debug.WriteLine(String.Format("CDDS_SUBITEMPREPAINT ({0},{1})", (int)nmcustomdraw.nmcd.dwItemSpec, nmcustomdraw.iSubItem));

                    // There is a bug in the .NET framework which appears when column 0 of an owner drawn listview
                    // is dragged to another column position.
                    // The bounds calculation always returns the left edge of column 0 as being 0.
                    // The effects of this bug become apparent
                    // when the listview is scrolled horizontally: the control can think that column 0
                    // is no longer visible (the horizontal scroll position is subtracted from the bounds, giving a
                    // rectangle that is offscreen). In those circumstances, column 0 is not redraw because
                    // the control thinks it is not visible and so does not trigger a DrawSubItem event.

                    // To fix this problem, we have to detected the situation -- owner drawing column 0 in any column except 0 --
                    // trigger our own DrawSubItem, and then prevent the default processing from occuring.

                    // Are we owner drawing column 0 when it's in any column except 0?
                    if (!this.OwnerDraw)
                        return false;

                    int columnIndex = nmcustomdraw.iSubItem;
                    if (columnIndex != 0)
                        return false;

                    int displayIndex = this.Columns[0].DisplayIndex;
                    if (displayIndex == 0)
                        return false;

                    int rowIndex = (int)nmcustomdraw.nmcd.dwItemSpec;
                    OLVListItem item = this.GetItem(rowIndex);
                    if (item == null)
                        return false;

                    // OK. We have the error condition, so lets do what the .NET framework should do.
                    // Trigger an event to draw column 0 when it is not at display index 0
                    using (Graphics g = Graphics.FromHdc(nmcustomdraw.nmcd.hdc)) {

                        // Correctly calculate the bounds of cell 0
                        Rectangle r = item.GetSubItemBounds(0);

                        // We can hardcode "0" here since we know we are only doing this for column 0
                        DrawListViewSubItemEventArgs args = new DrawListViewSubItemEventArgs(g, r, item, item.SubItems[0], rowIndex, 0,
                            this.Columns[0], (ListViewItemStates)nmcustomdraw.nmcd.uItemState);
                        this.OnDrawSubItem(args);

                        // If the event handler wants to do the default processing (i.e. DrawDefault = true), we are stuck.
                        // There is no way we can force the default drawing because of the bug in .NET we are trying to get around.
                        System.Diagnostics.Trace.Assert(!args.DrawDefault, "Default drawing is impossible in this situation");
                    }
                    m.Result = (IntPtr)4;

                    return true;

                case CDDS_SUBITEMPOSTPAINT:
                    //System.Diagnostics.Debug.WriteLine("CDDS_SUBITEMPOSTPAINT");
                    break;

                // I have included these stages, but it doesn't seem that they are sent for ListViews.
                // http://www.tech-archive.net/Archive/VC/microsoft.public.vc.mfc/2006-08/msg00220.html

                case CDDS_PREERASE:
                    //System.Diagnostics.Debug.WriteLine("CDDS_PREERASE");
                    break;

                case CDDS_POSTERASE:
                    //System.Diagnostics.Debug.WriteLine("CDDS_POSTERASE");
                    break;

                case CDDS_ITEMPREERASE:
                    //System.Diagnostics.Debug.WriteLine("CDDS_ITEMPREERASE");
                    break;

                case CDDS_ITEMPOSTERASE:
                    //System.Diagnostics.Debug.WriteLine("CDDS_ITEMPOSTERASE");
                    break;
            }

            return false;
        }
开发者ID:ZlayaZhaba,项目名称:XervBackup,代码行数:101,代码来源:ObjectListView.cs


示例20: HistoryListView_DrawSubItem

        void HistoryListView_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
        {
            if (e.ItemIndex < 0) return;

            //Console.WriteLine(e.ItemIndex + "-" + e.Bounds);

            if (this.SelectedIndices.Contains(e.ItemIndex))
            {
                e.Graphics.FillRectangle(System.Drawing.Brushes.LightGray, e.Bounds);
                ControlPaint.DrawFocusRectangle(e.Graphics, e.Item.Bounds);
            }
            else
            {
                e.DrawBackground();
            }

            // if this is the first column, we want to draw an icon as well
            int newX = e.Bounds.Left;
            if (e.ColumnIndex == 0)
            {
                // draw the icon
                newX = newX + 20;
                PastNotification pn = (PastNotification)e.Item.Tag;
                if (pn != null)
                {
                    System.Drawing.Image img = PastNotificationManager.GetImage(pn);
                    using (img)
                    {
                        if (img != null)
                        {
                            int x = e.Bounds.Left + 2;
                            int y = e.Bounds.Top;
                            e.Graphics.DrawImage(img, new System.Drawing.Rectangle(x, y, 16, 16));
                        }
                    }
                }
            }

            // draw text
            string text = e.SubItem.Text.Replace("\r", " - ");
            System.Drawing.Rectangle rect = new System.Drawing.Rectangle(newX, e.Bounds.Top, e.Bounds.Right - newX, e.Item.Font.Height);
            System.Drawing.StringFormat sf = new System.Drawing.StringFormat();
            sf.Trimming = System.Drawing.StringTrimming.EllipsisCharacter;
            sf.FormatFlags = System.Drawing.StringFormatFlags.NoClip | System.Drawing.StringFormatFlags.NoWrap;
            System.Drawing.Color color = (e.ColumnIndex == 0 ? e.Item.ForeColor : System.Drawing.Color.FromArgb(System.Drawing.SystemColors.GrayText.ToArgb()));
            System.Drawing.SolidBrush foreBrush = new System.Drawing.SolidBrush(color);
            using (foreBrush)
            {
                //TextFormatFlags flags = TextFormatFlags.Default | TextFormatFlags.ExternalLeading | TextFormatFlags.GlyphOverhangPadding | TextFormatFlags.NoClipping | TextFormatFlags.EndEllipsis | TextFormatFlags.LeftAndRightPadding | TextFormatFlags.SingleLine;
                //TextRenderer.DrawText(e.Graphics, text, e.SubItem.Font, rect, e.SubItem.ForeColor, System.Drawing.Color.Transparent, flags);

                e.Graphics.DrawString(text,
                    e.SubItem.Font,
                    foreBrush,
                    rect,
                    sf);
            }
        }
开发者ID:iwaim,项目名称:growl-for-windows,代码行数:58,代码来源:HistoryListView.cs



注:本文中的System.Windows.Forms.DrawListViewSubItemEventArgs类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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C# Forms.DrawListViewItemEventArgs类代码示例发布时间:2022-05-26
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