C# Label.Dispose方法代码示例

        private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            try
            {
                Label lb = new Label();
                lb.AutoSize = true;
                lb.Margin = new Padding(3, 3, 3, 3);
                lb.BorderStyle = BorderStyle.FixedSingle;
                lb.Text = string.Format("{0} - {1}", this.dataGridView1.SelectedRows[0].Cells[0].Value.ToString(), this.dataGridView1.SelectedRows[0].Cells[1].Value.ToString());
                lb.Tag = string.Format("{0} {1}", this.dataGridView1.SelectedRows[0].Cells[0].Value.ToString(), this.dataGridView1.SelectedRows[0].Cells[2].Value.ToString());
                OnButtonClick lbClick = (object sender1, EventArgs e1) =>
                {
                    lb.Dispose();
                };
                lb.DoubleClick += new EventHandler(lbClick);

                this.flowLayoutPanel1.Controls.Add(lb);
            }
            catch (Exception ex)
            {
                //MessageBox.Show(ex.ToString());
                MessageBox.Show(ex.Message);
                return;
            }
        }

 private void button1_Click(object sender, EventArgs e)
 {
     Label tmp;
     for (int i = 0; i < 200; i++)
     {
         tmp = new Label();
         tmp.Dispose();
     }
     GC.Collect();
 }

 public static int GetDropdownWidth(IEnumerable<string> values)
 {
     int maxWidth = 0;
     int temp = 0;
     Label label1 = new Label();
     label1.Font = new System.Drawing.Font("Arial", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
     foreach (var val in values)
     {
         label1.Text = val;
         temp = label1.PreferredWidth;
         if (temp > maxWidth)
         {
             maxWidth = temp;
         }
     }
     label1.Dispose();
     return maxWidth;
 }

        private void Filter_DropDown(object sender, EventArgs e)
        {
            var cb = sender as ComboBox;
            if (cb == null)
                return;

            int maxWidth = 0;
            int temp = 0;
            Label label1 = new Label();

            foreach (var obj in cb.Items)
            {
                label1.Text = obj.ToString();
                temp = label1.PreferredWidth;
                if (temp > maxWidth)
                    maxWidth = temp;
            }
            label1.Dispose();

            if (maxWidth > cb.Width)
                cb.DropDownWidth = maxWidth;
        }

        public static DialogResult MessageShowAgain(string title, string promptText)
        {
            Form form = new Form();
            System.Windows.Forms.Label label = new System.Windows.Forms.Label();
            CheckBox chk = new CheckBox();
            Controls.MyButton buttonOk = new Controls.MyButton();
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainV2));
            form.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));

            form.Text = title;
            label.Text = promptText;

            chk.Tag = ("SHOWAGAIN_" + title.Replace(" ", "_"));
            chk.AutoSize = true;
            chk.Text = "Show me again?";
            chk.Checked = true;
            chk.Location = new Point(9, 80);

            if (MainV2.config[(string)chk.Tag] != null && (string)MainV2.config[(string)chk.Tag] == "False") // skip it
            {
                form.Dispose();
                chk.Dispose();
                buttonOk.Dispose();
                label.Dispose();
                return DialogResult.OK;
            }

            chk.CheckStateChanged += new EventHandler(chk_CheckStateChanged);

            buttonOk.Text = "OK";
            buttonOk.DialogResult = DialogResult.OK;
            buttonOk.Location = new Point(form.Right - 100, 80);

            label.SetBounds(9, 40, 372, 13);

            label.AutoSize = true;

            form.ClientSize = new Size(396, 107);
            form.Controls.AddRange(new Control[] { label, chk, buttonOk });
            form.ClientSize = new Size(Math.Max(300, label.Right + 10), form.ClientSize.Height);
            form.FormBorderStyle = FormBorderStyle.FixedDialog;
            form.StartPosition = FormStartPosition.CenterScreen;
            form.MinimizeBox = false;
            form.MaximizeBox = false;

            ThemeManager.ApplyThemeTo(form);

            DialogResult dialogResult = form.ShowDialog();

            form.Dispose();

            form = null;

            return dialogResult;
        }

        // wrapper to handle the width of the combo box
        int DropDownWidth(ComboBox myCombo)
        {
            int maxWidth = 0;
            int temp = 0;
            Label label_test = new Label();

            foreach (var obj in myCombo.Items)
            {
                label_test.Text = obj.ToString();
                temp = label_test.PreferredWidth;
                if (temp > maxWidth)
                    maxWidth = temp;
            }
            label_test.Dispose();
            return maxWidth;
        }

//.........这里部分代码省略.........
                    sfxPlayer.Initialize(wr);
                    if (!mute)
                        sfxPlayer.Play();

                    for (int x = 0; x <= 64; x++)
                    {
                        testimonyPB.Location = new Point(256 - (4 * x), 3);
                        //icon.Location = new Point(256 + 6 - (2 * x), 3 + 5);
                        //name.Location = new Point(256 + 91 - (2 * x), 3 + 8);
                        //note.Location = new Point(256 + 92 - (2 * x), 3 + 26);
                        //desc.Location = new Point(256 + 9 - (2 * x), 3 + 81);
                        icon.Refresh();
                        name.Refresh();
                        note.Refresh();
                        desc.Refresh();
                    }

                    System.Threading.Thread.Sleep(3000);

                    for (int x = 0; x <= 64; x++)
                    {
                        testimonyPB.Location = new Point(0 - (4 * x), 3);
                        //icon.Location = new Point(6 - (2 * x), 3 + 5);
                        //name.Location = new Point(91 - (2 * x), 3 + 8);
                        //note.Location = new Point(92 - (2 * x), 3 + 26);
                        //desc.Location = new Point(9 - (2 * x), 3 + 81);
                        icon.Refresh();
                        name.Refresh();
                        note.Refresh();
                        desc.Refresh();
                    }

                    testimonyPB.Image = null;
                    name.Dispose();
                    icon.Dispose();
                    desc.Dispose();
                    note.Dispose();
                }
                else
                {
                    Data msgReceived = new Data(byteData);

                    //Accordingly process the message received
                    switch (msgReceived.cmdCommand)
                    {
                        case Command.Login:
                            break;

                        case Command.Logout:
                            break;

                        case Command.ChangeMusic:
                            if (msgReceived.strMessage != null && msgReceived.strMessage != "" & msgReceived.strName != null)
                            {
                                appendTxtLogSafe("<<<" + msgReceived.strName + " changed the music to " + msgReceived.strMessage + ">>>\r\n");
                                musicReader = new DmoMp3Decoder("base/sounds/music/" + msgReceived.strMessage);

                                if (musicPlayer.PlaybackState != PlaybackState.Stopped)
                                    musicPlayer.Stop();
                                musicPlayer.Initialize(musicReader);
                                if (!mute)
                                    musicPlayer.Play();
                            }
                            break;

                        case Command.ChangeHealth:

        //===========================================================================
        //
        // Functions
        //
        //===========================================================================
        //
        // GetName(string text, string oldName)
        // Opens the get name form, allowing the user to input a name
        //
        private string GetName(string text, string oldName)
        {
            //Construct the form
            string name = null;
            Form nameForm = new Form() { FormBorderStyle = FormBorderStyle.FixedSingle, MinimizeBox = false, MaximizeBox = false };
            nameForm.StartPosition = FormStartPosition.CenterParent;
            nameForm.Width = 200;
            nameForm.Height = 110;
            nameForm.Text = "NSS Keylogger";
            nameForm.Icon = Properties.Resources.nsskeylogger;
            nameForm.BackColor = Color.Black;

            Label lblName = new Label()
            {
                Width = 190,
                Height = 20,
                Location = new Point(5, 2),
                Text = text,
                ForeColor = Color.White
            };

            TextBox tbName = new TextBox()
            {
                Width = 185,
                Height = 20,
                Location = new Point(5, 23),
                Text = oldName
            };

            Button btnOK = new Button()
            {
                Width = 92,
                Height = 25,
                Location = new Point(5, 48),
                ImageAlign = ContentAlignment.MiddleCenter,
                TextAlign = ContentAlignment.MiddleCenter,
                Text = "OK",
                BackColor = SystemColors.ButtonFace,
                UseVisualStyleBackColor = true
            };
            btnOK.Click += (btnOKSender, btnOKe) =>
            {
                name = tbName.Text; //save the name
                nameForm.Close(); //close the form
            };

            Button btnCancel = new Button()
            {
                Width = 92,
                Height = 25,
                Location = new Point(98, 48),
                ImageAlign = ContentAlignment.MiddleCenter,
                TextAlign = ContentAlignment.MiddleCenter,
                Text = "Cancel",
                BackColor = SystemColors.ButtonFace,
                UseVisualStyleBackColor = true
            };
            btnCancel.Click += (btnCancelSender, btnCancele) =>
            {
                nameForm.Close(); //close the form without saving
            };

            //Build the form and show it
            nameForm.AcceptButton = btnOK;
            nameForm.CancelButton = btnCancel;
            nameForm.Controls.Add(lblName);
            nameForm.Controls.Add(tbName);
            nameForm.Controls.Add(btnOK);
            nameForm.Controls.Add(btnCancel);
            nameForm.ShowDialog();

            //Dispose the form's elements
            btnCancel.Dispose();
            btnOK.Dispose();
            tbName.Dispose();
            lblName.Dispose();
            nameForm.Dispose();

            return name;
        }

//.........这里部分代码省略.........
            timer.Enabled = true;
            timer.Elapsed += (sender, e) =>
            {
                try
                {
                    this.Invoke(new MethodInvoker(() =>
                    {
                        switch (textState)
                        { //add dots to the end of the message as time passes
                            case 0:
                                lblKey.Text = message;
                                break;
                            case 1:
                                lblKey.Text = message + ".";
                                break;
                            case 2:
                                lblKey.Text = message + "..";
                                break;
                            case 3:
                                lblKey.Text = message + "...";
                                break;
                        }
                    }));
                    textState = (textState + 1) % 4;
                }
                catch { }
            };
            KEYCOMBO key = new KEYCOMBO();
            Keys lastKey = Keys.None;
            key.valid = false; //assume invalid unless otherwise stated
            string strKey = null;
            keyPrompt.PreviewKeyDown += (sender, e) =>
            {
                timer.Stop();

                //Determine the key pressed
                strKey = keyStringConverter.KeyToString(e.KeyCode);

                //Determine key modifiers
                if (e.Alt && e.KeyCode != Keys.Menu)
                    strKey = "Alt + " + strKey;
                if (e.Shift && e.KeyCode != Keys.ShiftKey)
                    strKey = "Shift + " + strKey;
                if (e.Control && e.KeyCode != Keys.ControlKey)
                    strKey = "Ctrl + " + strKey;

                lblKey.Text = strKey;
                lastKey = e.KeyCode;
            };
            keyPrompt.KeyDown += (sender, e) =>
            {
                if (e.Modifiers.Equals(Keys.Alt))
                {
                    e.Handled = true; //don't open the menu with alt
                }
            };
            keyPrompt.KeyUp += (sender, e) =>
            {
                keyPrompt.Close();
            };
            lblKey.MouseClick += (sender, e) =>
            {
                timer.Stop();
                if (e.Button == MouseButtons.Left)
                    strKey = "LeftClick";
                else if (e.Button == MouseButtons.Right)
                    strKey = "RightClick";
                else if (e.Button == MouseButtons.Middle)
                    strKey = "MiddleClick";
                else
                    return; //button not recognized
                string strLastKey = lblKey.Text.Split(' ').Last();
                if (strLastKey == "Ctrl" || strLastKey == "Shift" || strLastKey == "Alt")
                    strKey = lblKey.Text + " + " + strKey;
                lblKey.Text = strKey;
                lastKey = Keys.None;
                keyPrompt.Close();
            };
            keyPrompt.MouseWheel += (sender, e) =>
            {
                timer.Stop();
                if (e.Delta < 0) //negative is down
                    strKey = "MouseWheelDown";
                else //positive is up
                    strKey = "MouseWheelUp";
                string strLastKey = lblKey.Text.Split(' ').Last();
                if (strLastKey == "Ctrl" || strLastKey == "Shift" || strLastKey == "Alt")
                    strKey = lblKey.Text + " + " + strKey;
                lblKey.Text = strKey;
                lastKey = Keys.None;
                keyPrompt.Close();
            };
            keyPrompt.ShowDialog();

            //All done with the dialog
            keyPrompt.Dispose();
            lblKey.Dispose();
            key = ParseKEYCOMBO(strKey, lastKey);
            return key;
        }

 private void magnify()
 {
     try
     {
         if ((this.zoom.Width >= 5) && (this.zoom.Height >= 5))
         {
             this.picBox.Dock = DockStyle.None;
             Graphics graphics1 = this.picBox.CreateGraphics();
             int num1 = 0x10;
             int num2 = this.picBox.Width;
             int num3 = this.picBox.Height;
             int num4 = this.pnlImg.Width / this.zoom.Width;
             int num5 = this.pnlImg.Height / this.zoom.Height;
             if (num4 > num1)
             {
                 num4 = num1;
             }
             if (num5 > num1)
             {
                 num5 = num1;
             }
             this.picBox.Width = num2 * num4;
             this.picBox.Height = num3 * num5;
             Label label1 = new Label();
             label1.Location = new Point(this.zoom.Left, this.zoom.Top);
             label1.Size = new Size(this.zoom.Width, this.zoom.Height);
             label1.Name = "label";
             label1.Text = "LABEL!ADDED!";
             label1.Visible = true;
             this.pnlImg.Controls.Add(label1);
             this.pnlImg.ScrollControlIntoView(label1);
             graphics1.DrawImageUnscaled(this.bmp, 0, 0);
             this.picBox.Invalidate();
             graphics1.Dispose();
             label1.Dispose();
         }
     }
     catch (Exception exception1)
     {
         MessageBox.Show("Error: " + exception1.Message, "Error!");
     }
 }

        //Disk - wmi query for Win32_LogicalDisk
        public string Disk()
        {
            string s = "";
            string sLetter = "";
            string sFSType = "";
            string query = "SELECT * FROM Win32_LogicalDisk WHERE FileSystem IS NOT NULL";
            ManagementObjectSearcher seeker = new ManagementObjectSearcher(query);
            ManagementObjectCollection oReturnCollection = seeker.Get();
            int i = 0;
            System.Windows.Forms.Label lTemp = new System.Windows.Forms.Label(); //temporary lable for getting the necessary max size of pbar
            lTemp.AutoSize = true;
            foreach (ManagementObject m in oReturnCollection)
            {
                sLetter = m["DeviceID"].ToString();
                sFSType = m["FileSystem"].ToString();

                s += sLetter + " " + CalcSize(m["FreeSpace"].ToString(), 1) + " " + sFSType + "\n";

                if (bHDDPBar == true)
                {
                    long iFS = Convert.ToInt64(m["FreeSpace"]);
                    long iSize = Convert.ToInt64(m["Size"]);
                    if (iSize > 0)
                        _hddBar[i].Value = Convert.ToInt16((100 * (iSize - iFS) / iSize));  //percent used space: 100* (size - free space) / size
                                                                                            //if you want display free space: 100* freespace / size
                    else
                        _hddBar[i].Value = 100;

                    if (_hddBar[i].Value <= 50)
                        _pHddProg[i].Color = cColorHDDBar50;

                    if (_hddBar[i].Value > 50 && _hddBar[i].Value <= 75)
                        _pHddProg[i].Color = cColorHDDBar75;

                    if (_hddBar[i].Value > 75)
                        _pHddProg[i].Color = cColorHDDBar100;

                    _hddBar[i].Text = sLetter + " " + CalcSize(iFS.ToString(), 1) + " " + sFSType;
                    _hddBar[i].Name = _hddBar[i].Text + "\r\n" + "Size: " + CalcSize(iSize.ToString(), 1);  //used for tooltip text

                    i++;
                }
            }
            oReturnCollection.Dispose();
            seeker.Dispose();
            lTemp.Text = s;
            _pHddBack.Color = cColorHDDBack;
            for (int k = 0; k < 10; k++)
            {
                if (k < i)
                {
                    if (bColorGlobal)
                    {
                        _hddBar[k].Font = fFontGlobal;
                        lTemp.Font = fFontGlobal;
                    }
                    else
                    {
                        _hddBar[k].Font = fTitleFont[3];
                        lTemp.Font = fTitleFont[3];
                    }
                    _hddBar[k].Height = Convert.ToInt16(_hddBar[k].Font.GetHeight()) + 2;
                    _hddBar[k].Width = lTemp.PreferredWidth + 10; //size all bars to max necessary size
                    _hddBar[k].Top = _hddBar[k].Height * k;   //position the bar
                    _hddBar[k].ForeColor = cColorHDDText;
                    _hddBar[k].Visible = true;
                    _hddBar[k].BringToFront();
                    _hddBar[k].Update();
                }
                else
                    _hddBar[k].Visible = false;

            }
            lTemp.Dispose();
            lTemp = null;
            return s;
        }

        private void btnAbout_Click(object sender, EventArgs e)
        {
            Form aboutForm = new Form() { FormBorderStyle = FormBorderStyle.FixedSingle, MinimizeBox = false, MaximizeBox = false };
            aboutForm.StartPosition = FormStartPosition.CenterParent;
            aboutForm.Width = 400;
            aboutForm.Height = 200;
            aboutForm.Text = "About Clicktastic";
            aboutForm.Icon = Properties.Resources.clicktastic;
            aboutForm.BackColor = Color.Black;

            //Get the version number
            Assembly assembly = Assembly.GetExecutingAssembly();
            FileVersionInfo fileVersionInfo = FileVersionInfo.GetVersionInfo(assembly.Location);

            Label aboutText = new Label()
            {
                Width = 400,
                Height = 130,
                Location = new Point(0, 0),
                ImageAlign = ContentAlignment.MiddleCenter,
                TextAlign = ContentAlignment.MiddleCenter,
                Text = "Clicktastic v" + fileVersionInfo.ProductMajorPart + "." + fileVersionInfo.ProductMinorPart + "." + fileVersionInfo.ProductBuildPart + "\n\n" +
                    "Mass Click Mouse Buttons or\n" + "Mass Press Keyboard Keys\n\n" +
                    "Programmed and Designed by Coolcord"
            };
            Font aboutFont = new Font("Microsoft Sans Serif", 8, FontStyle.Bold);
            aboutText.Font = aboutFont;
            aboutText.ForeColor = Color.White;
            Button btnOk = new Button() { Width = 100, Height = 30, Text = "OK", Location = new Point(150, 130), ImageAlign = ContentAlignment.MiddleCenter, TextAlign = ContentAlignment.MiddleCenter };
            btnOk.Click += (btnSender, btnE) => aboutForm.Close(); //click ok to close
            btnOk.BackColor = SystemColors.ButtonFace;
            btnOk.UseVisualStyleBackColor = true;
            aboutForm.AcceptButton = btnOk;
            aboutForm.Controls.Add(aboutText);
            aboutForm.Controls.Add(btnOk);

            //Easter Egg =D
            aboutForm.KeyPreview = true;
            CheatCode cheatCode = new CheatCode();
            aboutForm.KeyDown += new KeyEventHandler(cheatCode.GetCheatCode);

            //All done with the about form
            aboutForm.ShowDialog();
            aboutForm.Dispose();
            btnOk.Dispose();
            aboutText.Dispose();
            aboutFont.Dispose();
        }

        /// <summary>
        /// Funcion que nos devuelve el tamaño para ajustar un comboBox al texto
        /// </summary>
        /// <param name="myCombo">Recice el comboBox del cual queremos saber el tamaño</param>
        /// <returns></returns>
        private int dropDownWidth(ComboBox myCombo)
        {
            int maxWidth = 0;
            int temp = 0;
            Label label1 = new Label();

            foreach (KeyValuePair<String, String> item in myCombo.Items)
            {
                label1.Text = item.Value;
                temp = label1.PreferredWidth + 20;
                if (temp > maxWidth)
                {
                    maxWidth = temp;
                }
            }
            label1.Dispose();
            return maxWidth;
        }

        private void lblStatus_Click(object sender, EventArgs e)
        {
            Form aboutForm = new Form() { FormBorderStyle = FormBorderStyle.FixedSingle, MinimizeBox = false, MaximizeBox = false };
            aboutForm.StartPosition = FormStartPosition.CenterParent;
            aboutForm.Width = 400;
            aboutForm.Height = 200;
            aboutForm.Text = "About Internet Tester";
            aboutForm.Icon = Internet_Tester.Properties.Resources.Internet_Tester;

            //Get the version number
            Assembly assembly = Assembly.GetExecutingAssembly();
            FileVersionInfo fileVersionInfo = FileVersionInfo.GetVersionInfo(assembly.Location);

            Label aboutText = new Label()
            {
                Width = 400,
                Height = 130,
                Location = new Point(0, 0),
                ImageAlign = ContentAlignment.MiddleCenter,
                TextAlign = ContentAlignment.MiddleCenter,
                Text = "Internet Tester v" + fileVersionInfo.ProductMajorPart + "." + fileVersionInfo.ProductMinorPart + "." + fileVersionInfo.ProductBuildPart + "\n\n" +
                    "A Simple Program to Quickly\n" + "Check the Internet Connection\n\n" +
                    "Programmed and Designed by Coolcord"
            };
            Font aboutFont = new Font("Microsoft Sans Serif", 8, FontStyle.Bold);
            aboutText.Font = aboutFont;
            Button btnOk = new Button() { Width = 100, Height = 30, Text = "OK", Location = new Point(150, 130), ImageAlign = ContentAlignment.MiddleCenter, TextAlign = ContentAlignment.MiddleCenter };
            btnOk.Click += (btnSender, btnE) => aboutForm.Close(); //click ok to close
            aboutForm.AcceptButton = btnOk;
            aboutForm.Controls.Add(aboutText);
            aboutForm.Controls.Add(btnOk);
            aboutForm.ShowDialog();
            aboutForm.Dispose();
            btnOk.Dispose();
            aboutText.Dispose();
            aboutFont.Dispose();
        }

        private void Hauptfenster_Load(object sender, EventArgs e)
        {
            // Init script types
            comboBox_script_type.Items.AddRange(Info.ScriptTemplate);
            comboBox_script_type.SelectedIndex = 0;
            comboBox_script_type.DropDownStyle = ComboBoxStyle.DropDownList;

            // already done by selected index changed
            //Datastores.ReloadDB();
            //UpdateNPCListBox();

            // set width of the combo
            int maxWidth = 0;
            int temp = 0;
            Label label_test = new Label();

            foreach (var obj in comboBox_script_type.Items)
            {
                label_test.Text = obj.ToString();
                temp = label_test.PreferredWidth;
                if (temp > maxWidth)
                    maxWidth = temp;
            }
            label_test.Dispose();
            comboBox_script_type.DropDownWidth = maxWidth;
        }