protected override void OnApplyTemplate()
{
// Pass to base first
base.OnApplyTemplate();
// Get the swap chain panel
swapPanel = GetTemplateChild(SWAP_PANEL_NAME) as SwapChainPanel;
// Ensure panel was found
if (swapPanel == null)
{
throw new InvalidOperationException($"A {nameof(SwapChainPanel)} named {SWAP_PANEL_NAME} is required in the control template.");
}
// Attempt to get the preview element
placeholderElement = GetTemplateChild(PLACEHOLDER_ELEMENT_NAME) as UIElement;
// Panel found. If not in design mode, load Unity.
if (!Windows.ApplicationModel.DesignMode.DesignModeEnabled)
{
// Get the bridge
bridge = UnityBridge.Instance;
// Subscribe to bridge events
bridge.RenderingStarted += Bridge_RenderingStarted;
// Initialize Unity
bridge.Initialize(this, swapPanel);
}
}
/// <summary>
/// Initializes <see cref="UnityHelpers"/>
/// </summary>
static UnityHelpers()
{
bridge = UnityBridge.Instance;
}
