( ^6 A! m5 z$ t, U: Z2.这是request的程序 / d3 I W) {* ^) S// Request a value from Extend ( i# G t2 x- g+ f5 e5 A// & ^0 K) o) A, u- q! A// Initialize the variant that will hold the BSTR. Set the variant's: d/ M* A& J+ D7 @* d; e
// type flag to indicate the fact that this variant holds a BSTR. Place the3 C( }1 d6 A: E; B i2 t
// BSTR into the variant structure.7 ]$ o# D- A& j! I
) H) J8 q T- f! g& D; `: R, f- H. _! r. F requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); / r' c% S6 s1 e3 h- [$ G - X; j- U, j e" i+ |% I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 ~# I+ X7 x: n
VariantInit(&requestVariant[0]); % ]6 s) r& t. q6 t7 E. Z0 F
requestVariant[0].vt = VT_BSTR; + s: [$ b; \; Z requestVariant[0].bstrVal = itemStr;0 y2 K* W- a4 V! }) G
1 v7 g3 v0 [6 G1 l: q- c
topicStr = SysAllocString((WCHAR *) L"system");& I+ T" _* Y. @0 F1 y$ \1 W
VariantInit(&requestVariant[1]); 7 H3 p5 ~8 r6 I: @$ q5 N' B5 _ requestVariant[1].vt = VT_BSTR;. C2 }- I d# H% s
requestVariant[1].bstrVal = topicStr; + H/ c) `# \* O& F; i, p7 t d; ?8 A1 I
// Set the DISPPARAMS structure that holds the variant.8 ]9 S7 z7 t3 r1 r9 b; G
1 k* U* T* V! A2 z% ]: U# R+ _0 y X dp2.rgvarg = requestVariant; / w$ R" r! Z/ f; I; ^- N dp2.cArgs = 2; # R- l* @4 `3 X dp2.rgdispidNamedArgs = NULL; 3 Q9 b, R0 [ r: ~ dp2.cNamedArgs = 0;) Y/ E. x9 E% t9 c9 K6 e7 _
$ t8 M% Q$ K+ G3 u# C w' t+ e
var.vt = VT_EMPTY;' Y" H$ J8 i( j$ | O
3 F. c( |& U4 }3 }5 Z1 Z V
// Call IDispatch::Invoke() 9 }4 J/ E4 X% W i* q( l: K& W* `1 p" X6 V& G
hr = m_pDisp->Invoke( $ p |' M7 T. Z$ @ requestID,5 o( y* ~1 Z2 M. I' r! S& \
IID_NULL, $ Q9 h J6 a9 G/ u% D# W3 w" x LOCALE_SYSTEM_DEFAULT, 0 ], v7 o& H$ l5 u' u: S9 M, N5 s DISPATCH_METHOD,3 e7 u. P6 a+ n7 ]( F
&dp2,1 r% R+ V' B6 Z
&var, # i) G4 I8 X& h+ ~* Z0 `6 i- W &ei,% ~( a# G3 e6 J
&uiErr); 9 m. p5 h* w( n0 k1 ]! H" w$ Q / L/ P( O8 H% U3 k SysFreeString(topicStr);# N8 C+ v, p) J* x
SysFreeString(itemStr);5 W3 j- n1 m. z6 }) ]$ F
请问该程序是获得extend里面的哪个值? 1 q4 @7 S6 N/ c, 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????