source: branches/PushGP/HeuristicLab.PushGP/HeuristicLab.Problems.ProgramSynthesis/Push/Extensions/ControlExntensions.cs @ 14834

using System;

namespace HeuristicLab.Problems.ProgramSynthesis.Push.Extensions {
  using System.Linq.Expressions;
  using System.Reflection;
  using System.Windows.Forms;

  public static class ControlExntensions {
    private delegate void SetPropertyThreadSafeDelegate<TResult>(Control control, Expression<Func<TResult>> property, TResult value);

    public static void SetPropertyThreadSafe<TResult>(
        this Control control,
        Expression<Func<TResult>> property,
        TResult value) {
      var propertyInfo = (property.Body as MemberExpression).Member
          as PropertyInfo;

      if (propertyInfo == null ||
          !control.GetType().IsSubclassOf(propertyInfo.ReflectedType) ||
          control.GetType().GetProperty(
              propertyInfo.Name,
              propertyInfo.PropertyType) == null) {
        throw new ArgumentException("The lambda expression 'property' must reference a valid property on this Control.");
      }

      if (control.InvokeRequired) {
        control.Invoke(new SetPropertyThreadSafeDelegate<TResult>
        (SetPropertyThreadSafe), control, property, value);
      } else {
        control.GetType().InvokeMember(
            propertyInfo.Name,
            BindingFlags.SetProperty,
            null,
            control,
            new object[] { value });
      }
    }
  }
}