msctf: Implement ITfContext::GetDocumentMgr.
diff --git a/dlls/msctf/context.c b/dlls/msctf/context.c
index 2c7acb0..5eaffcf 100644
--- a/dlls/msctf/context.c
+++ b/dlls/msctf/context.c
@@ -74,6 +74,7 @@
     TfClientId tidOwner;
     TfEditCookie defaultCookie;
     TS_STATUS documentStatus;
+    ITfDocumentMgr *manager;
 
     ITextStoreACP   *pITextStoreACP;
     ITfContextOwnerCompositionSink *pITfContextOwnerCompositionSink;
@@ -506,8 +507,15 @@
         ITfDocumentMgr **ppDm)
 {
     Context *This = (Context *)iface;
-    FIXME("STUB:(%p)\n",This);
-    return E_NOTIMPL;
+    TRACE("(%p) %p\n",This,ppDm);
+
+    if (!ppDm)
+        return E_INVALIDARG;
+
+    *ppDm = This->manager;
+    if (!This->manager)
+        return S_FALSE;
+    return S_OK;
 }
 
 static HRESULT WINAPI Context_CreateRangeBackup (ITfContext *iface,
@@ -758,7 +766,7 @@
     return S_OK;
 }
 
-HRESULT Context_Initialize(ITfContext *iface)
+HRESULT Context_Initialize(ITfContext *iface, ITfDocumentMgr *manager)
 {
     Context *This = (Context *)iface;
 
@@ -769,6 +777,7 @@
                             (IUnknown*)This->pITextStoreACPSink, TS_AS_ALL_SINKS);
     }
     This->connected = TRUE;
+    This->manager = manager;
     return S_OK;
 }
 
@@ -783,6 +792,7 @@
             This->pITextStoreACPSink = NULL;
     }
     This->connected = FALSE;
+    This->manager = NULL;
     return S_OK;
 }
 
diff --git a/dlls/msctf/documentmgr.c b/dlls/msctf/documentmgr.c
index 3d4dbe9..09cadb6 100644
--- a/dlls/msctf/documentmgr.c
+++ b/dlls/msctf/documentmgr.c
@@ -146,7 +146,7 @@
     This->contextStack[0] = check;
 
     ITfThreadMgrEventSink_OnPushContext(This->ThreadMgrSink,check);
-    Context_Initialize(check);
+    Context_Initialize(check, iface);
 
     return S_OK;
 }
diff --git a/dlls/msctf/msctf_internal.h b/dlls/msctf/msctf_internal.h
index 8e093eb..3b959be 100644
--- a/dlls/msctf/msctf_internal.h
+++ b/dlls/msctf/msctf_internal.h
@@ -40,7 +40,7 @@
 extern HRESULT CompartmentMgr_Constructor(IUnknown *pUnkOuter, REFIID riid, IUnknown **ppOut);
 extern HRESULT CompartmentMgr_Destructor(ITfCompartmentMgr *This);
 
-extern HRESULT Context_Initialize(ITfContext *cxt);
+extern HRESULT Context_Initialize(ITfContext *cxt, ITfDocumentMgr *manager);
 extern HRESULT Context_Uninitialize(ITfContext *cxt);
 extern HRESULT TF_SELECTION_to_TS_SELECTION_ACP(const TF_SELECTION *tf, TS_SELECTION_ACP *tsAcp);