appendNode
Appends @node to the current render node of @snapshot, without changing the current node.
If @snapshot does not have a current node yet, @node will become the initial node.
Parameters
node
a GskRenderNode
Appends @node to the current render node of @snapshot, without changing the current node.
If @snapshot does not have a current node yet, @node will become the initial node.
a GskRenderNode