public static object GetPropertyInstance(Control ctrl, string propertyName)
{
if (ctrl.InvokeRequired)
{
GetPropertyInstanceDelegate del = new GetPropertyInstanceDelegate(CrossThreadUI.GetPropertyInstance);
if (CrossThreadUI.ExecSync)
{
return(ctrl.Invoke(del, ctrl, propertyName));
}
else
{
ctrl.BeginInvoke(del, ctrl, propertyName);
}
}
else
{
Type ctrlType = ctrl.GetType();
PropertyInfo pi = ctrlType.GetProperty(propertyName, CrossThreadUI.Binding);
if (pi != null)
{
return(pi.GetValue(ctrl, null));
}
else
{
throw new ArgumentException("Specified control does not expose a '" + propertyName + "' property.");
}
}
return(null);
}
/// <summary>
/// Gets the object instance assigned to the property of a given control.
/// </summary>
/// <param name="ctrl">The System.Windows.Forms.Control instance whose property will be queried.</param>
/// <param name="propertyName">The name of the property whose value will be returned.</param>
/// <returns>An object whose type will match the specified property's signature.</returns>
public static object GetPropertyInstance(Control ctrl, string propertyName)
{
if (ctrl.InvokeRequired)
{
GetPropertyInstanceDelegate del = new GetPropertyInstanceDelegate(CrossThreadUI.GetPropertyInstance);
if (CrossThreadUI.ExecSync)
return ctrl.Invoke(del, ctrl, propertyName);
else
ctrl.BeginInvoke(del, ctrl, propertyName);
}
else
{
Type ctrlType = ctrl.GetType();
PropertyInfo pi = ctrlType.GetProperty(propertyName, CrossThreadUI.Binding);
if (pi != null)
{
return pi.GetValue(ctrl, null);
}
else
throw new ArgumentException("Specified control does not expose a '" + propertyName + "' property.");
}
return null;
}
