+ w c! z7 }; P! W6 H% p: Y$ _+ W , T, x2 x2 `; `* v+ v: ]5 J2.这是request的程序" N! w1 q: _4 H0 R/ y: T
// Request a value from Extend# _ k* L- ]: b2 d- B$ b; H% l
// 1 S/ L" u% D( E$ B& R// Initialize the variant that will hold the BSTR. Set the variant's c# m* L- v9 |& N( V; K9 y4 u4 G# t// type flag to indicate the fact that this variant holds a BSTR. Place the 6 b% Q! H& P- b$ @- w# Y9 c// BSTR into the variant structure.- V) y2 x4 `$ N) B/ v2 j% y
* C: z+ N0 f! a* V9 T# d requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& K+ H* W) n1 j c# V
# a) N, g& [: |1 |% c( f8 h" a) J
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) U* Q( R, g; @
VariantInit(&requestVariant[0]); 9 v q a, P$ V# j, J7 Y2 C8 _- u
requestVariant[0].vt = VT_BSTR;, x. Z0 x# h! [+ |9 Y6 V/ e! B0 n
requestVariant[0].bstrVal = itemStr; 2 @3 t, Y, w/ s; q3 O- s ! h( l s! t& ^4 k% }: @ topicStr = SysAllocString((WCHAR *) L"system"); 8 N" |- a t2 \1 G% V2 h: Z' k8 Z- j VariantInit(&requestVariant[1]); . ]2 K! V L" w% o" _
requestVariant[1].vt = VT_BSTR; , ^9 l& t0 A" ~2 T9 S requestVariant[1].bstrVal = topicStr; 7 O& |" }; Y' @ n8 P9 `! [' [+ T! l5 d4 r) ]" o0 o
// Set the DISPPARAMS structure that holds the variant. ( j6 U, _; s* K& I/ o9 Y1 U 2 m& [5 n' k6 j dp2.rgvarg = requestVariant;- |( s7 J: B8 m8 [
dp2.cArgs = 2;6 T9 o) p/ A) K3 Q
dp2.rgdispidNamedArgs = NULL;: J; {1 x$ F! @4 W- W+ f
dp2.cNamedArgs = 0;, E* ^- ]4 |& Q4 G
% J, v7 W r8 }4 W6 R var.vt = VT_EMPTY; % n6 F5 V& t: m' G* q 0 @( ?4 |+ Q* K/ u' N6 t// Call IDispatch::Invoke()2 y, ^! R0 B9 E& V2 ^% _' I6 l7 H" z
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hr = m_pDisp->Invoke( 7 ~3 o# H, U5 X; [ requestID,& }: V$ T0 F" P* ]+ U- F' U
IID_NULL,/ _$ b4 _3 K( T! `+ l" j) V
LOCALE_SYSTEM_DEFAULT, 9 N* i2 I U9 n0 o0 @) ^" J3 Z DISPATCH_METHOD, 6 I* ?7 K' N- T &dp2,+ @4 E2 ~) `! ?* u3 j6 r. n
&var,, k8 R4 \' k% s
&ei,2 i3 A5 n) Q) Y0 \
&uiErr);7 h/ k' U9 Q' ^& {, n
1 a5 P2 N2 D: z
SysFreeString(topicStr); % v- o4 s, Z% } SysFreeString(itemStr);6 y: I% b7 a, O E: z- q$ a
请问该程序是获得extend里面的哪个值? 9 e% y3 J1 { h如果我希望获得extend程序里面的某个变量的数值,那个c++程序应该如何实现????