0 U! x# y2 Q6 ]9 u- O2.这是request的程序 5 X3 F. a5 g W( s( V& D" K* R// Request a value from Extend 0 r0 N' A0 t9 o" B//2 q5 _ u7 y3 Q, e
// Initialize the variant that will hold the BSTR. Set the variant's b4 z7 o7 F L. q" M// type flag to indicate the fact that this variant holds a BSTR. Place the 0 K; D$ W( w" C A7 N. t// BSTR into the variant structure., S! l6 X/ f1 T q$ | v
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 {" Y% }: x$ J! _- |% K! t2 t
" O! l. C- O0 _" Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: v8 E. b% I# \
VariantInit(&requestVariant[0]); + d. _5 I1 `9 z) u$ L# s
requestVariant[0].vt = VT_BSTR;9 @7 a# _9 {, Y
requestVariant[0].bstrVal = itemStr; 4 Q, Z4 ~" `( }7 I8 N6 D. x& R4 K' r. X$ ?) [% M7 Y
topicStr = SysAllocString((WCHAR *) L"system");: u7 d9 t- P4 l6 t
VariantInit(&requestVariant[1]); + M: C8 @, z% j/ l2 b. r requestVariant[1].vt = VT_BSTR;0 s1 ` K/ z% j6 K/ P. H& F
requestVariant[1].bstrVal = topicStr;# W2 O, R/ l& h4 M! _. w
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// Set the DISPPARAMS structure that holds the variant.+ t* P" b/ N) ~0 \3 ^& T
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dp2.rgvarg = requestVariant; f" M; d+ F. \& l% J5 j; g7 r( h5 E
dp2.cArgs = 2;) X2 b( k7 T6 _( \$ |9 J9 n
dp2.rgdispidNamedArgs = NULL; + c2 m' K6 ` P1 Z dp2.cNamedArgs = 0; % X- x6 l3 _/ b. n" Q( c0 Y2 o0 O. z% ]% \
var.vt = VT_EMPTY; 4 m0 k6 z2 @ z- |+ u" D9 z8 q 2 j& ?7 v1 @" X// Call IDispatch::Invoke() 5 I9 t* I! t9 }, h. y+ f ! r1 ?/ ?3 U, v; P+ h8 A hr = m_pDisp->Invoke( : j6 S) D: V' s! J requestID,0 I2 j: Y: }# B, G* t# c* S
IID_NULL, c" S5 X* T' f# m/ g2 N9 C. m
LOCALE_SYSTEM_DEFAULT, @: h6 N( W1 o6 k
DISPATCH_METHOD, ' G: G; y) W5 ^+ {% E, H &dp2, ; v h* v& {+ `7 j" Y8 { &var, 6 I) C' m L% ?) t+ t" t1 i$ b2 p &ei,$ z3 b4 Q; y3 m. u2 i! z( k
&uiErr); 9 O) ^: Q+ [' @& Y1 A2 A , q5 v1 K* [# a! R7 O5 ?2 V3 p) U) P SysFreeString(topicStr); 6 p4 j4 f+ v0 ^5 J% G' ]8 }" @3 i SysFreeString(itemStr); 3 X1 Y/ }, P) \( s0 n M9 u6 e1 U请问该程序是获得extend里面的哪个值?% z+ T( `4 t1 ]$ k: J5 Q+ ?0 Y
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????