public static InvocationExpressionSyntax MkCSharpInvocationExpression(SyntaxNode first, params ExpressionSyntax[] pars)
{
var args = CSharpHelper.MkCSharpArgumentList(pars);
return(SyntaxFactory.InvocationExpression((ExpressionSyntax)first)
.WithArgumentList(
SyntaxFactory.ArgumentList(
SyntaxFactory.SeparatedList <ArgumentSyntax>(args))));
}