diff options
Diffstat (limited to 'ext/win32ole')
| -rw-r--r-- | ext/win32ole/win32ole.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/ext/win32ole/win32ole.c b/ext/win32ole/win32ole.c index ce23bb06ca..5d6e96e32f 100644 --- a/ext/win32ole/win32ole.c +++ b/ext/win32ole/win32ole.c @@ -1691,6 +1691,7 @@ ole_invoke(argc, argv, self, wFlags) unsigned int argErr = 0; unsigned int i; unsigned int cNamedArgs; + int n; struct oleparam op; memset(&excepinfo, 0, sizeof(EXCEPINFO)); @@ -1768,7 +1769,7 @@ ole_invoke(argc, argv, self, wFlags) if(op.dp.cArgs > cNamedArgs) { realargs = ALLOCA_N(VARIANTARG, op.dp.cArgs-cNamedArgs+1); for(i = cNamedArgs; i < op.dp.cArgs; i++) { - int n = op.dp.cArgs - i + cNamedArgs - 1; + n = op.dp.cArgs - i + cNamedArgs - 1; VariantInit(&realargs[n]); VariantInit(&op.dp.rgvarg[n]); param = rb_ary_entry(paramS, i-cNamedArgs); @@ -1793,6 +1794,23 @@ ole_invoke(argc, argv, self, wFlags) &IID_NULL, lcid, wFlags, &op.dp, &result, &excepinfo, &argErr); if (FAILED(hr)) { + /* retry to call args by value */ + if(op.dp.cArgs > cNamedArgs) { + for(i = cNamedArgs; i < op.dp.cArgs; i++) { + n = op.dp.cArgs - i + cNamedArgs - 1; + param = rb_ary_entry(paramS, i-cNamedArgs); + ole_val2variant(param, &op.dp.rgvarg[n]); + } + memset(&excepinfo, 0, sizeof(EXCEPINFO)); + hr = pole->pDispatch->lpVtbl->Invoke(pole->pDispatch, DispID, + &IID_NULL, lcid, wFlags, + &op.dp, NULL, + &excepinfo, &argErr); + for(i = cNamedArgs; i < op.dp.cArgs; i++) { + n = op.dp.cArgs - i + cNamedArgs - 1; + VariantClear(&op.dp.rgvarg[n]); + } + } /* mega kludge. if a method in WORD is called and we ask * for a result when one is not returned then * hResult == DISP_E_EXCEPTION. this only happens on @@ -1811,7 +1829,7 @@ ole_invoke(argc, argv, self, wFlags) args = rb_cvar_get(cWIN32OLE, rb_intern("ARGV")); rb_funcall(args, rb_intern("clear"), 0); for(i = cNamedArgs; i < op.dp.cArgs; i++) { - int n = op.dp.cArgs - i + cNamedArgs - 1; + n = op.dp.cArgs - i + cNamedArgs - 1; rb_ary_push(args, ole_variant2val(&realargs[n])); VariantClear(&realargs[n]); } |