/// <summary>
/// Retrieves the <see cref="Type"/> corresponding to the <paramref name="codeClass"/>.
/// </summary>
/// <exception cref="InvalidOperationException">An <see cref="ITypeDiscoveryService"/> cannot be
/// retrieved for the project the class lives in.</exception>
/// <exception cref="InvalidOperationException">The <paramref name="codeClass"/> has not been
/// compiled into the project still.</exception>
public static Type ToType(CodeClass codeClass)
{
Guard.ArgumentNotNull(codeClass, "codeClass");
string typeFullName = codeClass.FullName;
Type returnType = null;
IServiceProvider provider = ToServiceProvider(codeClass.DTE);
DynamicTypeService typeService = VsHelper.GetService <DynamicTypeService>(provider, true);
IVsHierarchy hier = ToHierarchy(codeClass.ProjectItem.ContainingProject);
ITypeResolutionService typeResolution = typeService.GetTypeResolutionService(hier);
if (typeResolution == null)
{
throw new InvalidOperationException(String.Format(
CultureInfo.CurrentCulture,
Properties.Resources.ServiceMissing,
typeof(ITypeResolutionService)));
}
returnType = typeResolution.GetType(typeFullName);
if (returnType == null)
{
throw new InvalidOperationException(String.Format(
CultureInfo.CurrentCulture,
Properties.Resources.ClassNotCompiledYet,
typeFullName,
codeClass.ProjectItem.get_FileNames(1)));
}
return(returnType);
}
/// <summary>
/// Converts the project into a visual studio hierarchy object.
/// </summary>
public static IVsHierarchy ToHierarchy(Project project)
{
Guard.ArgumentNotNull(project, "project");
IServiceProvider provider = ToServiceProvider(project.DTE);
IVsSolution solution = (IVsSolution)VsHelper.GetService <SVsSolution>(provider, true);
IVsHierarchy hierarchy;
ErrorHandler.ThrowOnFailure(solution.GetProjectOfUniqueName(project.UniqueName, out hierarchy));
return(hierarchy);
}
/// <summary>
/// Retrieves the selected hierarchy from the provider.
/// </summary>
public static IVsHierarchy ToSelectedHierarchy(IServiceProvider provider)
{
Guard.ArgumentNotNull(provider, "provider");
uint itemId;
IVsMonitorSelection selectionMonitor = (IVsMonitorSelection)VsHelper.GetService <SVsShellMonitorSelection>(provider, true);
IntPtr hierarchyPointer = IntPtr.Zero;
IVsMultiItemSelect multiItemSelect = null;
IntPtr ppSC = IntPtr.Zero;
ErrorHandler.ThrowOnFailure(selectionMonitor.GetCurrentSelection(out hierarchyPointer, out itemId, out multiItemSelect, out ppSC));
return((IVsHierarchy)Marshal.GetObjectForIUnknown(hierarchyPointer));
}