TryGetGraphFromGraphDataProvider
(
Object graphDataProvider,
out IGraph graph
)
{
Debug.Assert(graphDataProvider != null);
Debug.Assert(graphDataProvider is IGraphDataProvider2 ||
graphDataProvider is IGraphDataProvider);
graph = null;
GraphMLGraphAdapter oGraphMLGraphAdapter = new GraphMLGraphAdapter();
if (graphDataProvider is IGraphDataProvider2)
{
String sPathToTemporaryFile = null;
if (!((IGraphDataProvider2)graphDataProvider)
.TryGetGraphDataAsTemporaryFile(out sPathToTemporaryFile))
{
return(false);
}
try
{
graph = oGraphMLGraphAdapter.LoadGraphFromFile(
sPathToTemporaryFile);
}
finally
{
File.Delete(sPathToTemporaryFile);
}
}
else
{
String sGraphDataAsGraphML;
if (!((IGraphDataProvider)graphDataProvider).TryGetGraphData(
out sGraphDataAsGraphML))
{
return(false);
}
graph = oGraphMLGraphAdapter.LoadGraphFromString(
sGraphDataAsGraphML);
}
return(true);
}
OpenObject
(
String sFileName,
out Object oObject
)
{
Debug.Assert(!String.IsNullOrEmpty(sFileName));
Debug.Assert(File.Exists(sFileName));
AssertValid();
oObject = null;
// Use a graph adapter to create a graph from the file.
IGraphAdapter oGraphMLGraphAdapter = new GraphMLGraphAdapter();
oObject = oGraphMLGraphAdapter.LoadGraphFromFile(sFileName);
}