public void ProvideSearchSettings(IVsUIDataSource pSearchSettings)
{
SetIntValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.ControlMaxWidth, 200);
SetIntValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.SearchStartType, (int)VSSEARCHSTARTTYPE.SST_DELAYED);
SetIntValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.SearchStartDelay, 100);
SetBoolValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.SearchUseMRU, true);
SetBoolValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.PrefixFilterMRUItems, false);
SetIntValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.MaximumMRUItems, 25);
SetStringValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.SearchWatermark, ServicesVSResources.Search_Settings);
SetBoolValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.SearchPopupAutoDropdown, false);
SetStringValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.ControlBorderThickness, "1");
SetIntValue(pSearchSettings, SearchSettingsDataSource.PropertyNames.SearchProgressType, (int)VSSEARCHPROGRESSTYPE.SPT_INDETERMINATE);
void SetBoolValue(IVsUIDataSource source, string property, bool value)
{
var valueProp = BuiltInPropertyValue.FromBool(value);
_ = source.SetValue(property, valueProp);
}
void SetIntValue(IVsUIDataSource source, string property, int value)
{
var valueProp = BuiltInPropertyValue.Create(value);
_ = source.SetValue(property, valueProp);
}
void SetStringValue(IVsUIDataSource source, string property, string value)
{
var valueProp = BuiltInPropertyValue.Create(value);
_ = source.SetValue(property, valueProp);
}
}
private static void EnableNewsFeed( )
{
// This is where things get UGLY/Fragile
try
{
// In VS2019 the DownloadEnabled property binding for the data source was removed so,
// this needs to add enough support back to allow the XAML UI to correctly see
// the property from the source to trigger downloading contents of the feed.
var feedControl = RestoreIdeUIOptionsPage.FindChildElement(Application.Current.MainWindow, e => e.GetType( ).Name == "RssFeedControl");
// data types, property names etc.. of internal types was determined by attaching the debugger
// and the Live XAML viewer to see what the types are. Obviously this is fragile, but we have
// little choice when the VS team has gone to great lengths to make it hard to keep perfectly good working UI.
// DataContext for the RssFeedControl is an StartPageDataSource wrapped inside of an internal DataSource type
var ds = ( DataSource )feedControl.DataContext;
// StartPageDataSource has an "Rss" property that contains an instance of the internal RssFeedDataSource type
var rss = ( DataSource )ds.GetValue("Rss");
var field = typeof(DataSource).GetField("innerSource", BindingFlags.Instance | BindingFlags.NonPublic);
// RssFeedDataSource, while internal, derives from the public UIDataSource type
var rssd = ( UIDataSource )field.GetValue(rss);
var rssdType = rssd.GetType( );
// RssFeed property resolves to dead link for Community editions, so reset it to
// the same link as other SKUs
var feedProp = rssdType.GetRuntimeProperty("RssFeed");
string currentFeed = ( string )feedProp.GetValue(rssd);
string newFeed = currentFeed.Replace(CommunityLinkId, CorrectedLinkId);
feedProp.SetValue(rssd, newFeed);
// need to set the _announcementsFeed as it backs the Get only AnnouncementsFeed property
var announcmentsFeedField = rssdType.GetField("_announcementsFeed", BindingFlags.NonPublic | BindingFlags.Instance);
announcmentsFeedField.SetValue(rssd, newFeed);
// RssFeedDataSourceBase declares a virtual "OnPropertyChanged" that updates the rest,
// so force a change of the DownloadEnabled property
var method = rssdType.GetMethod("OnPropertyChanged", BindingFlags.Instance | BindingFlags.Public);
if (method != null)
{
object[] parameters = { /*IVsUIDataSource ds*/ null, "DownloadEnabled", /*IVsUIObject pVarOld*/ null, BuiltInPropertyValue.FromBool(true) };
/*void*/
_ = method.Invoke(rssd, parameters);
}
}
catch
{
/* NOP */
}
}