' H$ g+ b8 L n/ f2.这是request的程序 6 v Q3 q4 N% Y, k// Request a value from Extend3 l7 U5 w( ^7 X
//* \. l& `9 E0 V1 v+ s- i
// Initialize the variant that will hold the BSTR. Set the variant's( W4 I# e2 U! m/ y7 ^: J
// type flag to indicate the fact that this variant holds a BSTR. Place the8 c! o5 v# }% k I8 C d7 s" S
// BSTR into the variant structure.9 e4 N/ w9 S# A, e! {
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); . h% P+ {0 f' l% P e 4 c$ Z, h: d/ x) a+ W: P2 c
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 6 U1 w' @/ J4 m$ W9 t. J; g VariantInit(&requestVariant[0]); 4 M% N n: i. a8 c% X3 F+ d' r
requestVariant[0].vt = VT_BSTR;& ?; a1 h$ M1 @$ S( l6 ^
requestVariant[0].bstrVal = itemStr; 9 |# g$ w2 f% X1 _: K4 C 1 T; ~& x. ?5 M' A6 p; \ topicStr = SysAllocString((WCHAR *) L"system"); . S P2 F9 o" G& m VariantInit(&requestVariant[1]); 9 A* b4 w. `1 A' z) ~ requestVariant[1].vt = VT_BSTR; % ]0 q% l) S" l requestVariant[1].bstrVal = topicStr;. l+ w, D7 z6 J
k; ~6 z# l2 O* Y5 {" h+ |, S// Set the DISPPARAMS structure that holds the variant. * _4 H' B6 A2 \3 }/ I + X2 J' s) `& B5 }- e dp2.rgvarg = requestVariant;1 ^7 i/ p& H! b* E
dp2.cArgs = 2; 1 B' e* ~+ Z1 ?# ~- m dp2.rgdispidNamedArgs = NULL; / X4 t' Z: ?1 f+ a dp2.cNamedArgs = 0; ) ]) G2 |6 V. p' h s( ~4 V" Q2 K9 y# M+ O+ [/ S" t. Q1 \
var.vt = VT_EMPTY; - u( D* a5 n* d* `' H4 a! t7 [" j; `# A, x; [, I
// Call IDispatch::Invoke()* ]5 s, P5 @& j2 q8 D8 {
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hr = m_pDisp->Invoke( 8 k7 w4 L* E0 H$ ]8 k/ t requestID,. n8 K0 X* J! h
IID_NULL,1 R4 Z0 A* ?* `% w2 H
LOCALE_SYSTEM_DEFAULT, " C% }" H7 h( V. {" b+ V DISPATCH_METHOD,' z9 m2 S) O* L" z/ w- R" O$ C
&dp2, / t! a! n6 \( s S' N) O &var,3 @6 S `: Q6 g& x! P; E# @8 [
&ei, + @' K! f3 v4 e9 r &uiErr); 0 Y4 \! D% _6 z; Y* S # @& ~- a ]% l SysFreeString(topicStr);% d; ?# _" F- ]
SysFreeString(itemStr); 1 h& G; P. q) ]6 Z7 I! h8 h请问该程序是获得extend里面的哪个值? ( s, ]! ]) A; h; s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????