public void ConfigureLanguage()
{
if ((this._query.QueryKind >= QueryLanguage.FSharpExpression) && this._document.get_SpanIndicatorLayers().Contains("Syntax error"))
{
this._document.get_SpanIndicatorLayers().get_Item("Syntax error").Clear();
}
QueryCompiler compiler = QueryCompiler.Create(this._query, false);
this._language = this.GetLanguage();
this._document.ResetLanguage();
if (this._query.QueryKind == QueryLanguage.SQL)
{
string str;
this._document.set_FooterText((string)(str = null));
this._document.set_HeaderText(str);
}
else
{
this._document.set_HeaderText(compiler.GetHeader(this._query));
this._document.set_FooterText(compiler.GetFooter(this._query));
}
this._document.set_Language(this._language);
this._document.Reparse();
}