public static void ExtractPropertyName_WithTypedProperty()
{
Expression <Func <Person, int> > exp;
exp = me => me.Age;
var propName = ExpressionPropertyAnalyzer.ExtractPropertyName(exp);
Assert.AreEqual("Age", propName);
}
public static void ExtractPropertyName_WithMultiStepConvertProperty()
{
Expression <Func <Person, object> > exp;
exp = me => me.Brother.Age;
var propName = ExpressionPropertyAnalyzer.ExtractPropertyName(exp);
Assert.AreEqual("Age", propName);
}
public static BridgeMethod <T> Create <TResult>(Expression <Func <T, TResult> > propertyAccessor)
{
MemberExpression memberExpression = ExpressionPropertyAnalyzer.UnwrapLambda(propertyAccessor);
if (!(memberExpression.Expression is ParameterExpression))
{
throw new InvalidOperationException("Extended Properties are not allowed.");
}
var name = ExpressionPropertyAnalyzer.ExtractPropertyName(propertyAccessor);
Action <T> changedCallback = me => me.OnPropertyChanged(name);
Action <T> changingCallback = me => me.OnPropertyChanging(name);
var method = new BridgeMethod <T>(changingCallback, changedCallback);
return(method);
}