public static bool Dispose(SwapChainPanel swapChainPanel)
{
if (swapChainPanel == null)
{
return(false);
}
RenderData renderData = null;
lock (s_aRenderData)
{
s_aRenderData.FirstOrDefault(rd => rd.swapChainPanel == swapChainPanel);
if (renderData == null)
{
return(false);
}
s_aRenderData.Remove(renderData);
}
try
{
renderData?.Dispose();
}
catch
{
}
return(true);
}
private static void SwapChainPanel_Unloaded(object sender, RoutedEventArgs e)
{
SwapChainPanel swapChainPanel = sender as SwapChainPanel;
if (swapChainPanel == null)
{
return;
}
Debug.WriteLine($"{nameof(SwapChainPanelPainter)}.{nameof(SwapChainPanel_Unloaded)} swapChainPanel={swapChainPanel}");
swapChainPanel.Loaded -= SwapChainPanel_Loaded;
swapChainPanel.Unloaded -= SwapChainPanel_Unloaded;
swapChainPanel.SizeChanged -= SwapChainPanel_SizeChanged;
swapChainPanel.CompositionScaleChanged -= SwapChainPanel_CompositionScaleChanged;
RenderData.Dispose(swapChainPanel);
}
static void PropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Debug.WriteLine($"{nameof(SwapChainPanelPainter)}.{nameof(PropertyChangedCallback)} d={d} e.OldValue={e.OldValue} e.NewValue={e.NewValue}");
SwapChainPanel swapChainPanel = d as SwapChainPanel;
if (swapChainPanel == null)
{
return;
}
ICommandListFactory commandListFactory = e.NewValue as ICommandListFactory;
if (commandListFactory == null)
{
// 'déconnexion de swapChainPanel'
bool _ok = RenderData.Dispose(swapChainPanel);
if (_ok)
{
// events
swapChainPanel.Loaded -= SwapChainPanel_Loaded;
swapChainPanel.Unloaded -= SwapChainPanel_Unloaded;
swapChainPanel.SizeChanged -= SwapChainPanel_SizeChanged;
swapChainPanel.CompositionScaleChanged -= SwapChainPanel_CompositionScaleChanged;
}
}
else
{
RenderData _renderData = RenderData.Find(swapChainPanel, false);
if (_renderData == null)
{
_renderData = RenderData.Find(swapChainPanel, true);
if (_renderData == null)
{
return;
}
bool _ok = false;
try
{
GraphicsDevice _graphicsDevice = _renderData.graphicsDevice;
if (_graphicsDevice == null)
{
return;
}
// events
swapChainPanel.Loaded += SwapChainPanel_Loaded;
swapChainPanel.Unloaded += SwapChainPanel_Unloaded;
swapChainPanel.SizeChanged += SwapChainPanel_SizeChanged;
swapChainPanel.CompositionScaleChanged += SwapChainPanel_CompositionScaleChanged;
_ok = true;
}
finally
{
if (_ok == false)
{
RenderData.Dispose(swapChainPanel);
}
}
}
}
}
