この質問は、 http： //ssmsaddin2012.codeplex.com/SourceControl/changeset/view/19629#101185にあるSSMSAddinDenali SQL Server ManagementStudio2012アドインを参照しています。SSMS 2012アドインを構築しようとしているときに、.Net 4.0/4.5を使用してIObjectExplorerServiceを実装できません。ObjectExplorerServiceへの接続に関する詳細情報を誰かが公開できるかどうか知りたいです。データベーステーブルのコンテキストメニューでメニュー項目を作成する方法。このエラーが発生します（タイプMicrosoft.SqlServer.Management.SqlStudio.Object.ObjectExplorerServiceをタイプMicrosoft.SqlServer.Management.SqlStudio.Object.ContextServiceにキャストできません）
ビルドするためだけに更新する必要のある重要なリファレンス：
Microsoft.SqlServer.Management.SDK.SqlStudio
C：\ Program Files（x86）\ Microsoft SQL Server \ 110 \ Tools \ Binn \ ManagementStudio\Microsoft.SqlServer.Management.Sdk.SqlStudio.dllバージョン11.0.0.0
Microsoft.SqlServer.Management.SqlStudio.Explorer
C：\ Program Files（x86）\ Microsoft SQL Server \ 110 \ Tools \ Binn \ ManagementStudio \ Extensions \ Application\Microsoft.SqlServer.Management.SqlStudio.Explorer.dllバージョン11.0.0.0
SqlPackageBase
C：\ Program Files（x86）\ Microsoft SQL Server \ 110 \ Tools \ Binn \ ManagementStudio\SqlPackageBase.dllバージョン11.0.0.0
SqlManagerUI
C：\ Program Files（x86）\ Microsoft SQL Server \ 110 \ Tools \ Binn \ ManagementStudio\SQLManagerUI.dllバージョン11.0.0.0
SqlWorkbench.Interfaces
C：\ Program Files（x86）\ Microsoft SQL Server \ 110 \ Tools \ Binn \ ManagementStudio\SqlWorkbench.Interfaces.dllバージョン11.0.0.0
アドインをビルドしてSSMS2012で実行した後、表示されているコードを使用してtrycatchでこのエラーが発生します
さらに助けていただければ幸いです。
public void OnConnection(object application, ext_ConnectMode connectMode, object addInInst, ref Array custom)
{
//debug_message("OnConnection::");
//_applicationDTE = (DTE)application;
//_applicationObject = (DTE2)application;
//_addInInstance = (AddIn)addInInst;
//return;
//if (connectMode == ext_ConnectMode.ext_cm_UISetup)
//{
// object[] contextGUIDS = new object[] { };
// Commands2 commands = (Commands2)_applicationObject.Commands;
// string toolsMenuName = "Tools";
// //Place the command on the tools menu.
// //Find the MenuBar command bar, which is the top-level command bar holding all the main menu items:
// Microsoft.VisualStudio.CommandBars.CommandBar menuBarCommandBar = ((Microsoft.VisualStudio.CommandBars.CommandBars)_applicationObject.CommandBars)["MenuBar"];
// //Find the Tools command bar on the MenuBar command bar:
// CommandBarControl toolsControl = menuBarCommandBar.Controls[toolsMenuName];
// CommandBarPopup toolsPopup = (CommandBarPopup)toolsControl;
// //This try/catch block can be duplicated if you wish to add multiple commands to be handled by your Add-in,
// // just make sure you also update the QueryStatus/Exec method to include the new command names.
// try
// {
// //Add a command to the Commands collection:
// // add + (int)vsCommandStatus.vsCommandStatusEnabled if we want the default state to be enabled
// Command command = commands.AddNamedCommand2(_addInInstance, "FormatSQL", "Format SQL", "Executes the command for SSMSAddinDenali", true, 59, ref contextGUIDS, (int)vsCommandStatus.vsCommandStatusSupported + (int)vsCommandStatus.vsCommandStatusEnabled, (int)vsCommandStyle.vsCommandStylePictAndText, vsCommandControlType.vsCommandControlTypeButton);
// //Add a control for the command to the tools menu:
// if ((command != null) && (toolsPopup != null))
// {
// command.AddControl(toolsPopup.CommandBar, 1);
// }
// }
// catch (System.ArgumentException)
// {
// //If we are here, then the exception is probably because a command with that name
// // already exists. If so there is no need to recreate the command and we can
// // safely ignore the exception.
// }
//}
#region Object Explorer Context Event
try
{
/* Microsoft.SqlServer.Management.UI.VSIntegration.ServiceCache
* is from SqlPackageBase.dll and not from Microsoft.SqlServer.SqlTools.VSIntegration.dll
* the code below just throws null exception if you have wrong reference */
ObjectExplorerService objExplorerService;
ContextService cs;
NavigationService ns;
objExplorerService = (ObjectExplorerService)ServiceCache.ServiceProvider.GetService(typeof(Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.IObjectExplorerService));
cs = (ContextService)objExplorerService.Container.Components[0];
//cs.ObjectExplorerContext.CurrentContextChanged += new NodesChangedEventHandler(ObjectExplorerContext_CurrentContextChanged);
//cs.UtilityExplorerContext.CurrentContextChanged += new NodesChangedEventHandler(UtilityExplorerContext_CurrentContextChanged);
ns = (NavigationService)objExplorerService.Container.Components[1];
//objExploreS = (ObjectExplorerService)objExplorerService.Container.Components[2];
//sqlStudioExplorer = new SqlStudioExplorer();
//ObjectExplorerService objExplorerService = (ObjectExplorerService)ServiceCache.ServiceProvider.GetService(typeof(IObjectExplorerService));
//INodeInformation node = objExplorerService.FindNode(cs.Context);
//if (node.Parent.InvariantName.Equals("Databases"))
//{
// if (_databaseMenu == null)
// {
// string value = typeof(IMenuHandler).ToString();
// _databaseMenu = (HierarchyObject)node.GetService(typeof(IMenuHandler));
// String wtf = _databaseMenu.ToString();
// RestoreMenuItem rst = new RestoreMenuItem();
// _databaseMenu.AddChild(string.Empty, rst);
// }
//}
//ContextService cs = (ContextService)objExplorerService.Container.Components[0];
//cs.ObjectExplorerContext.CurrentContextChanged += new NodesChangedEventHandler(Provider_SelectionChanged);
// for some reason calling GetSelectedNodes forces to add ContextService to ObjectExplorerService.Container.Components
//int count = objExplorerService.Container.Components.Count;
//int nodeCount; INodeInformation[] nodes;
//objExplorerService.GetSelectedNodes(out nodeCount, out nodes);
//count = nodeCount; count = nodes.Length;
//count = objExplorerService.Container.Components.Count;
//ContextService contextService = (ContextService)objExplorerService.Container.Components[1];
//INavigationContextProvider provider = contextService.ObjectExplorerContext;
//provider.CurrentContextChanged += new NodesChangedEventHandler(Provider_SelectionChanged);
}
catch (Exception ex)
{
MessageBox.Show("OnConnection::ERROR " + ex.Message);
}
#endregion
}