private void _scintilla_SelectionChanged(object sender, EventArgs e)
{
this.copyToolStripButton.Enabled = this._scintilla.Clipboard.CanCopy;
this.cutToolStripMenuItem.Enabled = this._scintilla.Clipboard.CanCut;
this.pasteToolStripButton.Enabled = this._scintilla.Clipboard.CanPaste;
Editor.StatusBar.Items[1].Text = this._scintilla.Selection.Length == 0 ? "" :
String.Format("Selection Length: {0}", this._scintilla.Selection.Length);
}