BF2Statistics.TaskForm.CloseForm C# (CSharp) Method

        public static void CloseForm()
        {
            // No exception here
            if (Instance == null || Instance.IsDisposed)
                return;

            // Remove all cancellation subs
            if (Cancelled != null)
                Cancelled = (CancelEventHandler) Delegate.RemoveAll(Cancelled, Cancelled);

            try
            {
                Instance.Invoke((Action)delegate()
                {
                    Instance.Close();
                    Instance = null;
                });
            }
            catch { }
        }

        /// <summary>
        /// Reset stats button click event
        /// </summary>
        private async void ResetStatsBtn_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("Are you sure you want to reset players stats?", "Confirm", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
            {
                try
                {
                    TaskForm.Show(this, "Reset Player Stats", "Reseting Player \"" + Player["name"] + "\"'s Stats", false);
                    await Task.Run(() =>
                    {
                        // Delete the players
                        using (StatsDatabase Driver = new StatsDatabase())
                        {
                            // Delete old player statistics
                            Driver.DeletePlayer(Pid, TaskForm.Progress);

                            // Insert a new player record
                            Driver.Execute(
                                "INSERT INTO player(id, name, country, joined, clantag, permban, isbot) VALUES(@P0, @P1, @P2, @P3, @P4, @P5, @P6)",
                                Pid, Player["name"], Player["country"], Player["joined"], Player["clantag"], Player["permban"], Player["isbot"]
                                );
                        }
                    });

                    // Reload player
                    LoadPlayer();
                    Notify.Show("Player Stats Reset Successfully!", "Operation Successful", AlertType.Success);
                }
                catch (DbConnectException Ex)
                {
                    HttpServer.Stop();
                    ExceptionForm.ShowDbConnectError(Ex);
                    TaskForm.CloseForm();
                    this.Close();
                    return;
                }
                catch (Exception E)
                {
                    // Show exception error
                    using (ExceptionForm Form = new ExceptionForm(E, false))
                    {
                        Form.Message = String.Format("Failed to reset player stats!{1}{1}Error: {0}", E.Message, Environment.NewLine);
                        Form.ShowDialog();
                    }
                }
                finally
                {
                    // Close task form
                    TaskForm.CloseForm();
                }
            }
        }