How to transfer object to converter parameter in dynamic binding?

Question

var b=new Binding();
b.Source=myobj;
b.Path=new PropertyPath("Text",myParameter);//<-- myParemter is int value
b.Converter=new FollConverter();
control.SetBinding(UserControl.VisibilityProperty,b);

in my converter

public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if(parameter!=null)  //<-- PROBLEM IS HERE, ALWAYS NULL
}

How to transfer object in dynamic binding?

Answer 1

That ain't how you use converter paramters, this PropertyPath contstructor has nothing to do with that paramter in Convert.

b.Path = new PropertyPath("Text");
b.ConverterParameter = myParamter;