ARCed.Scintilla.FindReplaceDialog.OnActivated C# (CSharp) Method

        protected override void OnActivated(EventArgs e)
        {
            if (this.Scintilla.Selection.Length > 0)
            {
                this.chkSearchSelectionF.Enabled = true;
                this.chkSearchSelectionR.Enabled = true;
            }
            else
            {
                this.chkSearchSelectionF.Enabled = false;
                this.chkSearchSelectionR.Enabled = false;
                this.chkSearchSelectionF.Checked = false;
                this.chkSearchSelectionR.Checked = false;
            }

            //	if they leave the dialog and come back any "Search Selection"
            //	range they might have had is invalidated
            this._searchRange = null;

            this.lblStatus.Text = string.Empty;

            this.MoveFormAwayFromSelection();

            base.OnActivated(e);
        }