public ImageSource GetLayerPreviewSource(Layer layer)
{
ImageSource imageSource = null;
GettingLayerPreviewSourceLayerPluginEventArgs arg1 = new GettingLayerPreviewSourceLayerPluginEventArgs(null, layer);
OnGettingLayerPreview(arg1);
if (arg1.Cancel)
{
imageSource = arg1.ImageSource ?? new BitmapImage();
}
else
{
imageSource = GetLayerPreviewSourceCore(layer);
GottenLayerPreviewSourceLayerPluginEventArgs arg2 = new GottenLayerPreviewSourceLayerPluginEventArgs(imageSource, layer);
OnGottenLayerPreview(arg2);
if (arg2 != null)
{
imageSource = arg2.ImageSource;
}
}
return(imageSource);
}
protected virtual void OnGettingLayerPreview(GettingLayerPreviewSourceLayerPluginEventArgs e)
{
EventHandler <GettingLayerPreviewSourceLayerPluginEventArgs> handler = GettingLayerPreviewSource;
if (handler != null)
{
handler(this, e);
}
}