extensions/source/ole/unoobjw.cxx | 10 ++++++++++
1 file changed, 10 insertions(+)
New commits:
commit 552b62f24a8804b6875cfcf1191093af80af2923
Author: Tor Lillqvist <t...@collabora.com>
Date: Tue Apr 10 15:53:28 2018 +0300
Add informative comment
Change-Id: I428c2bbaa273d893fa5a3cc42bb7f3d060f375ad
diff --git a/extensions/source/ole/unoobjw.cxx
b/extensions/source/ole/unoobjw.cxx
index 0a30609fc03e..fc8457f3129d 100644
--- a/extensions/source/ole/unoobjw.cxx
+++ b/extensions/source/ole/unoobjw.cxx
@@ -2180,6 +2180,16 @@ Sink::Call( const OUString& Method, Sequence< Any >&
Arguments )
VariantInit(&aVarResult);
UINT uArgErr;
+ // In the case of a VBScript client, which uses "late binding",
calling Invoke on the
+ // sink it provides will cause a callback to our
CXTypeInfo::GetNames for the given
+ // member id, and in that we will tell it the name of the
corresponding method, and the
+ // client will know what event handler to invoke based on that
name.
+ //
+ // As the outgoing interfaces used
(ooo::vba::word::XApplicationOutgoing and others) are
+ // totally not stable and not published in any way, there can be
no client that would
+ // have done "compile-time binding" and where the sink would
actually be an object with
+ // a vtbl corresponding to the outgoing interface. Late binding
clients that work like
+ // VBScript is all we support.
nResult = pDispatch->Invoke(nMemId, IID_NULL, LOCALE_USER_DEFAULT,
DISPATCH_METHOD, &aDispParams, &aVarResult, NULL, &uArgErr);
SAL_WARN_IF(!SUCCEEDED(nResult), "extensions.olebridge", "Call to
" << Method << " failed: " << WindowsErrorStringFromHRESULT(nResult));
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