private Assembly ResolveAssembly(ProjectId projectId, string assemblyName)
{
this.AssertIsForeground();
if (_workspace == null)
{
return(null);
}
IVsHierarchy hierarchy;
string targetMoniker;
if (!_workspace.TryGetHierarchy(projectId, out hierarchy) ||
!hierarchy.TryGetProperty((__VSHPROPID)__VSHPROPID4.VSHPROPID_TargetFrameworkMoniker, out targetMoniker) ||
targetMoniker == null)
{
return(null);
}
try
{
// Below we use the DesignTimeAssemblyResolver functionality of VS to
// determine if we can resolve the specified assembly name in the context
// of this project. However, this service does not do the right thing
// in UWP apps. Specifically, it *will* resolve the assembly to a
// reference assembly, even though that's never what we want. In order
// to deal with that, we put in this little check where we do not allow
// reference assembly resolution if the projects TargetFrameworkMoniker
// is ".NETCore, Version=5.0" or greater.
var frameworkName = new FrameworkName(targetMoniker);
if (StringComparer.OrdinalIgnoreCase.Equals(frameworkName.Identifier, ".NETCore") &&
frameworkName.Version >= new Version(major: 5, minor: 0))
{
return(null);
}
}
catch (ArgumentException)
{
// Something wrong with our TFM. We don't have enough information to
// properly resolve this assembly name.
return(null);
}
try
{
var frameworkProvider = new VsTargetFrameworkProvider(
_workspace.GetVsService <SVsFrameworkMultiTargeting, IVsFrameworkMultiTargeting>(),
targetMoniker,
_workspace.GetVsService <SVsSmartOpenScope, IVsSmartOpenScope>());
return(frameworkProvider.GetReflectionAssembly(new AssemblyName(assemblyName)));
}
catch (InvalidOperationException)
{
// VsTargetFrameworkProvider throws InvalidOperationException in the
// some cases (like when targetting packs are missing). In that case
// we can't resolve this path.
return(null);
}
}
public string ResolveAssemblyPath(ProjectId projectId, string assemblyName)
{
this.AssertIsForeground();
if (_workspace != null)
{
IVsHierarchy hierarchy;
string targetMoniker;
if (_workspace.TryGetHierarchy(projectId, out hierarchy) &&
hierarchy.TryGetProperty((__VSHPROPID)__VSHPROPID4.VSHPROPID_TargetFrameworkMoniker, out targetMoniker) &&
targetMoniker != null)
{
try
{
var frameworkProvider = new VsTargetFrameworkProvider(
_workspace.GetVsService <SVsFrameworkMultiTargeting, IVsFrameworkMultiTargeting>(),
targetMoniker,
_workspace.GetVsService <SVsSmartOpenScope, IVsSmartOpenScope>());
var assembly = frameworkProvider.GetReflectionAssembly(new AssemblyName(assemblyName));
// Codebase specifies where the assembly is on disk. However, it's in
// full URI format (i.e. file://c:/...). This will allow us to get the
// actual local in the normal path format.
Uri uri;
if (Uri.TryCreate(assembly.CodeBase, UriKind.RelativeOrAbsolute, out uri))
{
return(uri.LocalPath);
}
}
catch (InvalidOperationException)
{
// VsTargetFrameworkProvider throws InvalidOperationException in the
// some cases (like when targetting packs are missing). In that case
// we can't resolve this path.
}
}
}
return(null);
}
