BEurtle.IssuesForm.contextMenu_Opening C# (CSharp) Méthode

        private void contextMenu_Opening(object sender, CancelEventArgs e)
        {
            try
            {
                contextmenu_initialising = true;
                contextMenu.SuspendLayout();

                FromStatusTextBox.Text = "";
                fillInMenuItems(fromStatusToolStripMenuItem, status_filters, new EventHandler(FromStatusTextBox_TextChanged), new KeyPressEventHandler(FromStatusTextBox_KeyPress));
                FromSeverityTextBox.Text = "";
                fillInMenuItems(fromSeverityToolStripMenuItem, severity_filters, new EventHandler(FromSeverityTextBox_TextChanged), new KeyPressEventHandler(FromSeverityTextBox_KeyPress));
                FromCreatedTextBox.Text = "";
                fillInMenuItems(fromCreatedToolStripMenuItem, created_filters, new EventHandler(FromCreatedTextBox_TextChanged), new KeyPressEventHandler(FromCreatedTextBox_KeyPress));
                FromSummaryTextBox.Text = "";
                fillInMenuItems(fromSummaryToolStripMenuItem, summary_filters, new EventHandler(FromSummaryTextBox_TextChanged), new KeyPressEventHandler(FromSummaryTextBox_KeyPress));

                filterOutToolStripMenuItem.Checked = (status_filters.Count > 0 || severity_filters.Count > 0 || created_filters.Count > 0 || summary_filters.Count > 0);
                allClosedItemsToolStripMenuItem.Checked = (status_filters.Contains("closed") && status_filters.Contains("fixed") && status_filters.Contains("wontfix"));
                allNotSeriousToolStripMenuItem.Checked = (severity_filters.Contains("target") && severity_filters.Contains("wishlist") && severity_filters.Contains("minor"));

                if (!contextmenu_fixupclosing)
                {   // Hack in such that any attempts to auto-close the filter menu are prevented
                    filterOutToolStripMenuItem.DropDown.Closing += new ToolStripDropDownClosingEventHandler(filterOutToolStripMenuItem_Closing);
                    fromStatusToolStripMenuItem.DropDown.Closing += new ToolStripDropDownClosingEventHandler(filterOutToolStripMenuItem_Closing);
                    fromSeverityToolStripMenuItem.DropDown.Closing += new ToolStripDropDownClosingEventHandler(filterOutToolStripMenuItem_Closing);
                    fromCreatedToolStripMenuItem.DropDown.Closing += new ToolStripDropDownClosingEventHandler(filterOutToolStripMenuItem_Closing);
                    fromSummaryToolStripMenuItem.DropDown.Closing += new ToolStripDropDownClosingEventHandler(filterOutToolStripMenuItem_Closing);
                    contextmenu_fixupclosing = true;
                }
            }
            finally
            {
                contextMenu.ResumeLayout();
                contextmenu_initialising = false;
            }
        }