public object GetFirstParameterValue <T>(T source, Expression <Action> expression)
{
var invocationCall = expression.Body as InvocationExpression;
ExpressionAnalyzer analyzer = new ExpressionAnalyzer();
bool dontIgnore = analyzer.TryProcessParameter(source, invocationCall.Arguments.First(), checkForParameterDoNotCache: true, parameterValue: out object parameterValue);
if (!dontIgnore)
{
Assert.Fail("Should not have been ignore");
}
return(parameterValue);
}