public virtual int get_KeyOutputObject(out IVsOutput2 ppKeyOutput) {
if (_keyOutput == null) {
Refresh();
if (_keyOutput == null) {
// horrible hack: we don't really have outputs but the Cider designer insists
// that we have an output so it can figure out our output assembly name. So we
// lie here, and then lie again to give a path in Output.get_Property
_keyOutput = new Output(_project, null);
}
}
ppKeyOutput = _keyOutput;
if (ppKeyOutput == null)
return VSConstants.S_FALSE;
return VSConstants.S_OK;
}
protected virtual void Refresh() {
// Let MSBuild know which configuration we are working with
_project.SetConfiguration(_projectCfg.ConfigName);
// Generate dependencies if such a task exist
if (_project.BuildProject.Targets.ContainsKey(_targetName)) {
bool succeeded = false;
_project.BuildTarget(_targetName, out succeeded);
if (!succeeded) {
Debug.WriteLine("Failed to build target {0}", _targetName);
this._outputs.Clear();
return;
}
}
// Rebuild the content of our list of output
string outputType = _targetName + "Output";
this._outputs.Clear();
if (_project.CurrentConfig != null) {
foreach (MSBuildExecution.ProjectItemInstance assembly in _project.CurrentConfig.GetItems(outputType)) {
Output output = new Output(_project, assembly);
_outputs.Add(output);
// See if it is our key output
if (_keyOutput == null ||
String.Compare(assembly.GetMetadataValue("IsKeyOutput"), true.ToString(), StringComparison.OrdinalIgnoreCase) == 0) {
_keyOutput = output;
}
}
}
_project.SetCurrentConfiguration();
// Now that the group is built we have to check if it is invalidated by a property
// change on the project.
_project.OnProjectPropertyChanged += new EventHandler<ProjectPropertyChangedArgs>(OnProjectPropertyChanged);
}
public virtual void InvalidateGroup() {
// Set keyOutput to null so that a refresh will be performed the next time
// a property getter is called.
if (null != _keyOutput) {
// Once the group is invalidated there is no more reason to listen for events.
_project.OnProjectPropertyChanged -= new EventHandler<ProjectPropertyChangedArgs>(OnProjectPropertyChanged);
}
_keyOutput = null;
}