internal static bool ContainsVideoDrawing(DocumentNode node)
{
DocumentCompositeNode documentCompositeNode1 = node as DocumentCompositeNode;
if (PlatformTypes.DrawingBrush.IsAssignableFrom((ITypeId)node.Type))
{
documentCompositeNode1 = documentCompositeNode1.Properties[ConvertibleDrawing.DrawingBrushDrawingProperty] as DocumentCompositeNode;
}
if (documentCompositeNode1 != null && PlatformTypes.Drawing.IsAssignableFrom((ITypeId)documentCompositeNode1.Type))
{
if (PlatformTypes.VideoDrawing.IsAssignableFrom((ITypeId)documentCompositeNode1.Type))
{
return(true);
}
if (PlatformTypes.DrawingGroup.IsAssignableFrom((ITypeId)documentCompositeNode1.Type))
{
DocumentCompositeNode documentCompositeNode2 = documentCompositeNode1.Properties[ConvertibleDrawing.DrawingGroupChildrenProperty] as DocumentCompositeNode;
if (documentCompositeNode2 != null)
{
foreach (DocumentNode node1 in (IEnumerable <DocumentNode>)documentCompositeNode2.Children)
{
if (ConvertibleDrawing.ContainsVideoDrawing(node1))
{
return(true);
}
}
}
}
}
return(false);
}
public static bool CanCreateConvertibleDrawing(DocumentNode resourceNode)
{
if (ConvertibleDrawing.IsResourceTypeSupported(resourceNode.Type))
{
return(!ConvertibleDrawing.ContainsVideoDrawing(resourceNode));
}
return(false);
}
internal static bool ContainsVideoDrawing(Drawing drawing)
{
if (drawing is VideoDrawing)
{
return(true);
}
DrawingGroup drawingGroup = drawing as DrawingGroup;
if (drawingGroup != null)
{
foreach (Drawing drawing1 in drawingGroup.Children)
{
if (ConvertibleDrawing.ContainsVideoDrawing(drawing1))
{
return(true);
}
}
}
return(false);
}