/// <summary>
/// Unloads local content then calls <see cref="OnUnloadContent()"/> for inheriting controls.
/// </summary>
protected void UnloadContent()
{
_brushes.Cleanup();
_brushes = null;
_fonts.Cleanup();
_fonts = null;
foreach (var layer in Layers)
{
layer.UnloadContent();
var disposableLayer = layer as IDisposable;
if (disposableLayer != null)
{
disposableLayer.Dispose();
}
}
Layers.Clear();
OnUnloadContent();
}
/// <summary>
/// Unload content and cleanup unmanaged resources.
/// </summary>
public override void UnloadContent()
{
base.UnloadContent();
brushes.Cleanup();
brushes = null;
var regionProxies = regions.Values.ToList();
regions.Clear();
foreach (var r in regionProxies)
{
if (!r.IsDisposed)
{
r.Dispose();
}
}
if (state != null && !state.IsDisposed)
{
state.Dispose();
state = null;
}
}