/// <summary>
/// Adds a callback for when the hint is set.
/// </summary>
/// <param name="callback">The callback.</param>
/// <param name="data">Data to pass to the callback.</param>
public void AddCallback(HintCallback callback, IntPtr data)
{
Native.SDL_AddHintCallback(_name, callback, data);
if (_callbacks == null)
{
_callbacks = new Dictionary <HintCallback, int>();
}
if (!_callbacks.TryGetValue(callback, out var count))
{
count = 1;
}
_callbacks[callback] = count;
}
/// <summary>
/// Deletes a callback for when the hint is set.
/// </summary>
/// <param name="callback">The callback.</param>
/// <param name="data">Data to pass to the callback.</param>
public void DeleteCallback(HintCallback callback, IntPtr data)
{
Native.SDL_DelHintCallback(_name, callback, data);
if (_callbacks != null)
{
var count = _callbacks[callback] - 1;
if (count == 0)
{
_ = _callbacks.Remove(callback);
}
else
{
_callbacks[callback] = count;
}
}
}
