02/02: [EXPLORER] CTrayBandSite: Call DBID_SETWINDOWTHEME on new bands to make them use the theme of the taskbar. CORE-14176

[Giannis Adamopoulos]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=71e66c69c1fe53c9cec35…

commit 71e66c69c1fe53c9cec35e5fbf62b64a67f73f3a
Author:     Giannis Adamopoulos <gadamopoulos(a)reactos.org>
AuthorDate: Tue Jan 16 11:43:28 2018 +0200
Commit:     Giannis Adamopoulos <gadamopoulos(a)reactos.org>
CommitDate: Tue Jan 16 11:50:52 2018 +0200

    [EXPLORER] CTrayBandSite: Call DBID_SETWINDOWTHEME on new bands to make them use the
theme of the taskbar. CORE-14176
---
 base/shell/explorer/tbsite.cpp | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/base/shell/explorer/tbsite.cpp b/base/shell/explorer/tbsite.cpp
index 1cb3ab5a66..aa2f4e6985 100644
--- a/base/shell/explorer/tbsite.cpp
+++ b/base/shell/explorer/tbsite.cpp
@@ -355,7 +355,23 @@ public:
         /* FIXME: Should be delayed */
         IUnknown_Exec(punk, IID_IDeskBand, DBID_DELAYINIT, 0, NULL, NULL);
 
-        return m_BandSite->AddBand(punk);
+        HRESULT hr = m_BandSite->AddBand(punk);
+        if (FAILED_UNEXPECTEDLY(hr))
+            return hr;
+
+        VARIANT vThemeName;
+        V_VT(&vThemeName) = VT_BSTR;
+        V_BSTR(&vThemeName) = SysAllocString(L"TaskBar");
+        IUnknown_Exec(punk,
+                      IID_IDeskBand,
+                      DBID_SETWINDOWTHEME,
+                      0,
+                      &vThemeName,
+                      NULL);
+
+        SysFreeString(V_BSTR(&vThemeName));
+
+        return S_OK;
     }
 
     virtual HRESULT STDMETHODCALLTYPE EnumBands(