C# Panel.Dispose方法代码示例

        public void add_total(int total)
        {
            for (int i = 0; i < total; i++)
            {
                Panel Temp_Panel = new Panel();
                Temp_Panel.BackColor = System.Drawing.Color.Aqua;
                Temp_Panel.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
                Temp_Panel.BringToFront();
                Temp_Panel.Location = new System.Drawing.Point(X_Location, Y_Location);
                Temp_Panel.Name = "Panel" + i;
                Temp_Panel.Size = new System.Drawing.Size(10, 16);
                panels.Add(Temp_Panel);
                Temp_Panel = null;
                if (Temp_Panel != null)
                    Temp_Panel.Dispose();
                write_controls(panels.Count - 1);
                //Controls.Add(panels[panels.Count - 1]);

                if ((X_Location + 16) > 575)
                {
                    write_textbox("\r\n");
                    Y_Location += 18;
                    X_Location = 4;

                }
                else
                    X_Location += 16;
                //panels[panels.Count - 1].Show();
            }
            write_progress(0, panels.Count);
            if (panels.Count >= 200)
                MessageBox.Show("Achievement Unlocked: Over 200!", "Achievement Unlocked", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
        }

        public void WorkAsync(WorkAsyncInfo info)
        {
            if (info.Host == null)
            {
                throw new NullReferenceException("WorkAsyncInfo Host property is null!");
            }

            _infoPanel = InformationPanel.GetInformationPanel(info.Host, info.Message, info.MessageWidth, info.MessageHeight);
            _worker = new BackgroundWorker
            {
                WorkerReportsProgress = info.ProgressChanged != null,
                WorkerSupportsCancellation = info.IsCancelable
            };
            _worker.DoWork += info.PerformWork;

            if (_worker.WorkerReportsProgress && info.ProgressChanged != null)
            {
                _worker.ProgressChanged += info.PerformProgressChange;
            }

            _worker.RunWorkerCompleted += (s, e) =>
            {
                if (info.Host.Controls.Contains(_infoPanel))
                {
                    _infoPanel.Dispose();
                    info.Host.Controls.Remove(_infoPanel);
                }
                if (info.PostWorkCallBack != null)
                {
                    info.PostWorkCallBack(e);
                }
            };

            _worker.RunWorkerAsync(info.AsyncArgument);
        }

        public void WorkAsync(Control host, string message, Action<DoWorkEventArgs> work, Action<RunWorkerCompletedEventArgs> callback, object argument = null, int messageWidth = 340, int messageHeight = 150)
        {
            _infoPanel = InformationPanel.GetInformationPanel(host, message, messageWidth, messageHeight);

            var worker = new BackgroundWorker();

            worker.DoWork += (s, e) => work(e);

            worker.RunWorkerCompleted += (s, e) =>
            {
                if (host.Controls.Contains(_infoPanel))
                {
                    _infoPanel.Dispose();
                    host.Controls.Remove(_infoPanel);
                }
                callback(e);
            };
            worker.RunWorkerAsync(argument);
        }

        /// <summary>
        /// Printing Functionality
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnPrint_Click(object sender, System.EventArgs e)
        {
            //Create a Panel and clip all other panels to this panel
            Panel pnl=new Panel();
            pnl.Tag = "Department Information";
            pnl.Font = new Font("Arial", 8F, GraphicsUnit.Point);
            pnl.Width = tbcDepartment.Width;
            pnl.Height = tbcDepartment.Height*2+20;
            pnl.Controls.Add(pnlContact);
            pnl.Controls.Add(pnlAddress);

            pnlDeptInfo.Controls.Remove(chkNoDept);
            pnl.Controls.Add(pnlDeptInfo);

            //Resize for print-outs
            pnlDeptInfo.Height = 185;
            pnlDeptInfo.Dock = DockStyle.Top;
            pnlAddress.Dock = DockStyle.Fill;

            CreateFormPrintingObject(pnl);
            //PrintingFunctions.SetProperties(ref fp, ps);
            PrintingFunctions.SetProperties(ref xfp);

            // Print!
            //fp.Print();
            xfp.PaperKind = PaperKind.A4;
            xfp.Print();
            pnlDeptInfo.Controls.Add(chkNoDept);
            tbpDeptInfo.Controls.Add(pnlDeptInfo);
            tbpAddress.Controls.Add(pnlAddress);
            //tbpContact.Controls.Clear();
            tbpContact.Controls.Add(pnlContact);
            //pnlContact.Height = 484;
            //pnlContact.Dock = DockStyle.Fill;
            //pnlContact.Dock = DockStyle.Fill;
            //pnlContact.Controls[0].Dock = DockStyle.Fill;
            //pnlContact.Controls[1].Dock = DockStyle.Bottom;
            //Back to original values so the panel displays fine on the UI
            pnlDeptInfo.Height = 484;
            pnlDeptInfo.Dock = DockStyle.Fill;

            pnl.Dispose();
            pnl=null;
        }

//.........这里部分代码省略.........
                                        lbTabSquare.Location = new Point(control.Location.X, control.Location.Y);
                                        lbTabSquare.Size = TextRenderer.MeasureText(lbTabSquare.Text, lbTabSquare.Font);
                                        lbTabSquare.Size = new Size(lbTabSquare.Size.Width + lbTabSquare.Padding.Size.Width, lbTabSquare.Size.Height + lbTabSquare.Padding.Size.Height);
                                        lbTabSquare.Tag = "showtab";
                                        lbTabSquare.BringToFront();
                                        printPanel.Controls.Add(lbTabSquare);
                                    }
                                }
                            }
                        }*/
                        printPanel.BackgroundImageLayout = ImageLayout.None;
                        if (printPanel.Size.Width > 0 && printPanel.Size.Height > 0)
                        {
                            try
                            {
                                Bitmap b = new Bitmap(printPanel.Size.Width, printPanel.Size.Height);
                                Graphics bufferGraphics = Graphics.FromImage(b);

                                if (!(color.Equals(Color.Empty)))
                                {
                                    printPanel.BackColor = color;
                                }

                                bufferGraphics.Clear(printPanel.BackColor);

                                if (image != null)
                                {
                                    Image img = image;
                                    switch (imageLayout.ToUpper())
                                    {
                                        case "TILE":
                                            TextureBrush tileBrush = new TextureBrush(img, System.Drawing.Drawing2D.WrapMode.Tile);
                                            bufferGraphics.FillRectangle(tileBrush, 0, 0, printPanel.Size.Width, printPanel.Size.Height);
                                            tileBrush.Dispose();
                                            break;

                                        case "STRETCH":
                                            bufferGraphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
                                            bufferGraphics.DrawImage(img, 0, 0, printPanel.Size.Width, printPanel.Size.Height);
                                            bufferGraphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Default;
                                            break;

                                        case "CENTER":
                                            int centerX = (printPanel.Size.Width / 2) - (img.Size.Width / 2);
                                            int centerY = (printPanel.Size.Height / 2) - (img.Size.Height / 2);
                                            bufferGraphics.DrawImage(img, centerX, centerY);
                                            break;

                                        default:
                                            bufferGraphics.DrawImage(img, 0, 0);
                                            break;
                                    }
                                }

                                foreach (Control control in pageControls)
                                {
                                    if (control is DragableGroupBox)
                                    {
                                        Pen pen = new Pen(Color.Black);
                                        Point ul = control.Location;
                                        Point ur = new Point(control.Location.X + control.Width, control.Location.Y);
                                        Point ll = new Point(control.Location.X, control.Location.Y + control.Height);
                                        Point lr = new Point(control.Location.X + control.Width, control.Location.Y + control.Height);
                                        bufferGraphics.DrawLine(pen, ul, ur);
                                        bufferGraphics.DrawLine(pen, ur, lr);
                                        bufferGraphics.DrawLine(pen, lr, ll);

        private void btnPrint_Click(object sender, EventArgs e)
        {
            //Create a Panel and clip all other panels to this panel
            Panel pnl = new Panel();
            pnl.Tag = "User Information";
            pnl.Width = tbcUser.Width;
            pnl.Height = tbcUser.Height*3 + 20;
            TextBox password = (TextBox)pnlLogin.Controls["txtPwd"];
            Label lpass = (Label)pnlLogin.Controls["lblPassword"];

            pnlLogin.Controls.Remove(password);
            pnlLogin.Controls.Remove(lpass);
            pnl.Controls.Add(pnlContact);
            pnl.Controls.Add(pnlPersonal);
            pnl.Controls.Add(pnlLogin);

            pnlLogin.Dock = DockStyle.Top;
            pnlPersonal.Dock = DockStyle.Top;
            pnlContact.Dock = DockStyle.Top;

            //pnl.Controls.Add(pnlBody);

            CreateFormPrintingObject(pnl);
            //PrintingFunctions.SetProperties(ref fp, ps);
            PrintingFunctions.SetProperties(ref xfp);

            // Print!
            //fp.Print();
            xfp.PaperKind = PaperKind.A4;
            xfp.Print();

            tbpLogin.Controls.Add(pnlLogin);
            tbpPersonal.Controls.Add(pnlPersonal);
            pnlLogin.Controls.Add(password);
            pnlLogin.Controls.Add(lpass);
            tbpContact.Controls.Add(pnlContact);
            pnl.Dispose();
            pnl = null;
        }

        private void btnPrint_Click(object sender, System.EventArgs e)
        {
            Panel pnl=new Panel();
            //pnl.Tag = "Client Information";
            pnl.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            pnl.Tag = "Client Information";
            pnl.Width = tbcClient.Width;
            pnl.Height = tbcClient.Height*3+20;

            pnlClientInfo.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            //pnlClientInfo.Font = new System.Drawing.Font("Microsoft Sans Serif", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));

            pnl.Controls.Add(pnlAddress);
            pnl.Controls.Add(pnlClientInfo);

            //Resize for print-outs
            pnlClientInfo.Height = 160;
            pnlClientInfo.Dock = DockStyle.Top;
            pnlAddress.Dock = DockStyle.Fill;

            CreateFormPrintingObject(pnl);
            //PrintingFunctions.SetProperties(ref fp, ps);
            PrintingFunctions.SetProperties(ref xfp);

            // Print!
            xfp.PaperKind = PaperKind.A4;
            xfp.Print();

            tbpClientInfo.Controls.Add(pnlClientInfo);
            tbpAddress.Controls.Add(pnlAddress);
            pnlClientInfo.Height = 484;
            pnlClientInfo.Dock = DockStyle.Fill;

            pnl.Dispose();
            pnl=null;
        }

        private void btnUpdate_Click(object sender, EventArgs e)
        {
            chart["name"] = txtName.Text;
            chart["description"] = txtDescription.Text;
            chart["datadescription"] = tecDataDescription.Text;
            chart["presentationdescription"] = tecVisualizationDescription.Text;

            infoPanel = InformationPanel.GetInformationPanel(this, "Updating chart...", 350, 150);

            var worker = new BackgroundWorker {WorkerReportsProgress = true};
            worker.DoWork += (w, evt) =>
            {
                service.Update((Entity)evt.Argument);

                ((BackgroundWorker)w).ReportProgress(0,"Publishing entity...");

                service.Execute(new PublishXmlRequest
                {
                    ParameterXml = [email protected]"<importexportxml><entities><entity>{chart.GetAttributeValue<string>("primaryentitytypecode")
                            }</entity></entities><nodes/><securityroles/><settings/><workflows/></importexportxml>"
                });
            };
            worker.ProgressChanged += (w, evt) =>
            {
                InformationPanel.ChangeInformationPanelMessage(infoPanel, evt.UserState.ToString());
            };
            worker.RunWorkerCompleted += (w, evt) =>
            {
                if (evt.Error != null)
                {
                    MessageBox.Show(this, evt.Error.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                else
                {
                    HasUpdatedContent = true;
                }

                Controls.Remove(infoPanel);
                infoPanel.Dispose();
            };
            worker.RunWorkerAsync(chart);
        }

        protected override void OnMouseDown(MouseEventArgs e)
        {
            this.Focus();
            this.Leave += new EventHandler(p_Leave);
            img = ResClass.GetImgRes("login_inputbtn_down");
            if (Items != null)
            {
                p = new Panel();
                p.Left = 2;
                p.Top = 24;
                p.Width = this.Width - 5;
                p.Height = Items.Length * 20;
                p.AutoScroll = true;

                p.Focus();
                p.Leave+=new EventHandler(p_Leave);

                bool isScroll = false;

                int maxHeight = this.Parent.Height - this.Top - 24;
                int h = 20 * Items.Length + 5;
                if (h > maxHeight)
                {
                    isScroll = true;
                }
                else
                {
                    isScroll = false;
                }

                for (int i = 0; i < Items.Length; i++)
                {
                    QQComboBoxItem item = new QQComboBoxItem();
                    item.Name = "qqcomboBoxItem_" + i;
                    item.Texts = Items[i];
                    item.Left = 0;
                    item.Top = 20 * i;
                    if (isScroll)
                        item.Width = p.Width - 20;
                    else
                        item.Width = p.Width;
                    item.Height = 20;
                    item.MouseClick += new MouseEventHandler(item_MouseClick);
                    p.Controls.Add(item);
                }
                this.Controls.Add(p);
                if (this.Height == 26)
                {
                    if (isScroll)
                    {
                        this.Height += 20 * (maxHeight / 20) + 5;
                        p.Height = 20 * (maxHeight / 20);
                    }
                    else
                    {
                        this.Height += h;
                        p.Height = h - 5;
                    }
                    showed = true;
                }
                else
                {
                    this.Height = 26;
                    p.Height = 0;
                    showed = false;
                    p.Controls.Remove(p);
                    p.Dispose();
                }
                ControlCollection cce = this.Parent.Controls;
                for (int i = 0; i < cce.Count; i++)
                {
                    if (cce[i] is BasicComboBox && !cce[i].Name.Equals(this.Name))
                        (cce[i] as BasicComboBox).CloseListPanel();
                }
            }
            this.BringToFront();
            this.Invalidate();
        }

        private void btnPrint_Click(object sender, System.EventArgs e)
        {
            //Create a Panel and clip all other panels to this panel
            Panel pnl=new Panel();
            pnl.Tag = "Instructor Information";
            pnl.Font = new Font("Arial", 8F, GraphicsUnit.Point);
            pnl.Width = tbcUser.Width;
            pnl.Height = tbcUser.Height*3+20;

            pnl.Controls.Add(pnlAddress);
            pnl.Controls.Add(pnlPersonal);
            pnlPersonal.Dock = DockStyle.Top;
            pnlAddress.Dock = DockStyle.Fill;

            CreateFormPrintingObject(pnl);
            //PrintingFunctions.SetProperties(ref fp, ps);
            PrintingFunctions.SetProperties(ref xfp);

            // Print!
            //fp.Print();
            xfp.PaperKind = PaperKind.A4;
            xfp.Print();
            tbpPersonal.Controls.Add(pnlPersonal);
            tbpContact.Controls.Add(pnlAddress);
            pnlPersonal.Dock = DockStyle.Fill;

            pnl.Dispose();
            pnl=null;
        }

        public void Add(string url)
        {
            #region GENERATED CODE
            VistaControls.ProgressBar pbPercent = new VistaControls.ProgressBar();
            VistaControls.ThemeText.ThemedLabel lblName = new VistaControls.ThemeText.ThemedLabel();
            VistaControls.ThemeText.ThemedLabel lblPercent = new VistaControls.ThemeText.ThemedLabel();
            VistaControls.ThemeText.ThemedLabel lblSizeInfo = new VistaControls.ThemeText.ThemedLabel();
            VistaControls.Button btnCancel = new VistaControls.Button();

            System.Windows.Forms.Panel panel = new System.Windows.Forms.Panel();
            panel.SuspendLayout();
            //
            // pbPercent
            //
            pbPercent.Location = new System.Drawing.Point(3, 40);
            pbPercent.Name = "pbPercent";
            pbPercent.Size = new System.Drawing.Size(373, 23);
            pbPercent.TabIndex = 6;
            //
            // lblName
            //
            lblName.BorderSize = 10;
            lblName.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            lblName.Location = new System.Drawing.Point(3, 4);
            lblName.Name = "lblName";
            lblName.Padding = new System.Windows.Forms.Padding(10, 9, 0, 0);
            lblName.Size = new System.Drawing.Size(334, 34);
            lblName.TabIndex = 9;
            lblName.Text = "Loading";
            //
            // btnCancel
            //
            btnCancel.FlatStyle = System.Windows.Forms.FlatStyle.System;
            btnCancel.Image = Download_Manager.Properties.Resources.icon_cross.ToBitmap();
            btnCancel.Location = new System.Drawing.Point(376-22, 10);
            btnCancel.Name = "btnCancel";
            btnCancel.Size = new System.Drawing.Size(22, 23);
            btnCancel.TabIndex = 11;
            btnCancel.Text = " ";
            btnCancel.TextAlign = System.Drawing.ContentAlignment.BottomRight;
            btnCancel.UseVisualStyleBackColor = true;
            btnCancel.Parent = panel;
            btnCancel.Show();
            //
            // lblPercent
            //
            lblPercent.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            lblPercent.Location = new System.Drawing.Point(3, 63);
            lblPercent.Name = "lblPercent";
            lblPercent.Size = new System.Drawing.Size(196, 27);
            lblPercent.TabIndex = 7;
            lblPercent.Text = ".............";
            lblPercent.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
            //
            // lblSizeInfo
            //
            lblSizeInfo.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            lblSizeInfo.Location = new System.Drawing.Point(205, 63);
            lblSizeInfo.Name = "lblSizeInfo";
            lblSizeInfo.Size = new System.Drawing.Size(172, 27);
            lblSizeInfo.TabIndex = 8;
            lblSizeInfo.Text = ".............";
            lblSizeInfo.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
            //
            // panel
            //
            panel.BackColor = System.Drawing.Color.Transparent;
            panel.Controls.Add(pbPercent);
            panel.Controls.Add(lblSizeInfo);
            panel.Controls.Add(lblName);
            //panel.Controls.Add(btnCancel);
            panel.Controls.Add(lblPercent);
            panel.ForeColor = System.Drawing.Color.Black;
            panel.Location = new System.Drawing.Point(12, 12);
            panel.Name = "panel";
            panel.Size = new System.Drawing.Size(376, 99);
            panel.TabIndex = 10;
            #endregion

            panel.Parent = this._Form;

            //btnCancel.Parent = _Form;
            Download dl = new Download(url, "", panel, pbPercent, lblName, lblSizeInfo, lblPercent, btnCancel);
            dl.SaveTo = Environment.GetEnvironmentVariable("USERPROFILE") + Path.DirectorySeparatorChar + "Downloads" + Path.DirectorySeparatorChar + dl.Name;
            btnCancel.Click += delegate(object sender, EventArgs e)
            {
                dl.Stop();
                dl.RemoveControls();
                panels.Remove(panel);
                panel.Dispose();
                RePosition();
            };

            DateTime start = DateTime.Now;
            dl.Start(start, delegate()
            {
                dl.RemoveControls();
                CommandLink btn = new CommandLink();
                btn.Parent = dl._Panel;
                btn.SetBounds(1, 1, dl._Panel.Width - 1, dl._Panel.Height - 10);
//.........这里部分代码省略.........