public static void UnregisterFormHotKey(Keys keys, Function<bool, Keys> callback)
{
if (hotkeyRegistrar != null)
{
Function<bool, Keys> theDelegate = hotkeyRegistrar[keys];
theDelegate -= callback;
hotkeyRegistrar[keys] = theDelegate;
IComponent targetAsComponent = callback.Target as IComponent;
if (targetAsComponent != null)
{
targetAsComponent.Disposed -= TargetAsComponent_Disposed;
}
IHotKeyTarget targetAsHotKeyTarget = callback.Target as IHotKeyTarget;
if (targetAsHotKeyTarget != null)
{
targetAsHotKeyTarget.Disposed -= TargetAsHotKeyTarget_Disposed;
}
if (theDelegate.GetInvocationList().Length == 0)
{
hotkeyRegistrar.Remove(keys);
}
if (hotkeyRegistrar.Count == 0)
{
hotkeyRegistrar = null;
}
}
}
