/// <summary>
///
/// </summary>
/// <param name="control"></param>
public void Detach(ComboBox control)
{
if (control == null)
{
throw new ArgumentNullException("control");
}
MessageHook.UnSubclass(control.Parent.Handle, Callback);
Handle = IntPtr.Zero;
}
/// <summary>
///
/// </summary>
/// <param name="handle"></param>
/// <param name="callback"></param>
public static void Subclass(IntPtr handle, WndProcCallback callback)
{
MessageHook messageHook;
if (Hooks.TryGetValue(handle, out messageHook))
{
messageHook.AddHook(callback);
}
else
{
messageHook = new MessageHook(handle);
Hooks[handle] = messageHook;
messageHook.AddHook(callback);
}
}
/// <summary>
///
/// </summary>
/// <param name="handle"></param>
/// <param name="callback"></param>
public static void Subclass(IntPtr handle, WndProcCallback callback)
{
MessageHook messageHook;
if (Hooks.TryGetValue(handle, out messageHook))
{
messageHook.AddHook(callback);
}
else
{
messageHook = new MessageHook(handle);
Hooks[handle] = messageHook;
messageHook.AddHook(callback);
}
}
/// <summary>
///
/// </summary>
/// <param name="control"></param>
public void Attach(ComboBox control)
{
if (control == null)
{
throw new ArgumentNullException("control");
}
if (Handle != IntPtr.Zero)
{
throw new InvalidOperationException("behavior is attached");
}
Handle = control.Handle;
MessageHook.Subclass(control.Parent.Handle, Callback);
}