/// <summary>Freezes the context, making it impossible to add or remove context properties from the current context.</summary>
/// <exception cref="T:System.InvalidOperationException">The context is already frozen. </exception>
/// <PermissionSet>
/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Infrastructure" />
/// </PermissionSet>
public virtual void Freeze()
{
if (this.context_properties != null)
{
foreach (object obj in this.context_properties)
{
IContextProperty contextProperty = (IContextProperty)obj;
contextProperty.Freeze(this);
}
}
}
