1 x3 f2 k8 u3 m) G2.这是request的程序 . X7 \" \9 U$ X* s( Y! ^; s// Request a value from Extend4 |/ U0 G+ z$ }$ H) L' E1 R/ e
// 9 E- W& b. \% _// Initialize the variant that will hold the BSTR. Set the variant's- {8 \5 L7 x# M
// type flag to indicate the fact that this variant holds a BSTR. Place the# p" M! N5 o, ]1 |) h5 ^
// BSTR into the variant structure. 1 D5 N E. V2 U; s1 u2 ^ # \8 _: q9 ^/ p4 J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 k2 M9 m9 b* m9 B# U0 c* J
, k5 D, F5 G7 }2 m* Y8 x: X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 6 i0 p4 n8 b; b. s/ s' W VariantInit(&requestVariant[0]); . }4 N9 p; y" v" m) I4 Z requestVariant[0].vt = VT_BSTR; 9 \0 N2 c2 F1 [" H requestVariant[0].bstrVal = itemStr;( p* N; m# q5 v! W" m
y6 Q/ y1 P* Z- N9 A
topicStr = SysAllocString((WCHAR *) L"system"); 5 v+ t$ x7 q/ _) S6 V VariantInit(&requestVariant[1]); - q3 J5 }- j% O" U- }% M' F1 t0 y) G requestVariant[1].vt = VT_BSTR; 1 [. G. u# y6 Y4 B9 e9 y3 _ requestVariant[1].bstrVal = topicStr; ' G" v) D6 g* Z7 H1 ? , E6 S( C+ P' G( u$ ?$ z// Set the DISPPARAMS structure that holds the variant.% ~% U% f. S8 |) f
( m$ k8 O8 T5 b( }; y# ] dp2.rgvarg = requestVariant; z1 a4 S0 C/ z/ a( [% g0 W1 ]
dp2.cArgs = 2;% E, _" P5 P# R: |% Z% u
dp2.rgdispidNamedArgs = NULL; 2 Z$ y/ P( B) Y Z dp2.cNamedArgs = 0;+ h6 a* N7 H: s* E# q+ R: E
+ ?/ I! j% e6 N) G
var.vt = VT_EMPTY; 9 c0 p- u' z% k& \' G4 { $ [7 e7 s/ s. @5 C+ L. \5 w0 d// Call IDispatch::Invoke()9 V" j. |/ g/ W6 V' H, l
4 [+ I- a# A) s( p6 e5 H0 [) w* \ hr = m_pDisp->Invoke( + S4 @( U* d2 b* m requestID, 3 G$ y7 e/ b1 i6 V8 B IID_NULL, ' H9 o, o8 t. {# [5 [, F' d LOCALE_SYSTEM_DEFAULT,) n9 |+ _. s1 U2 f" K4 X* x
DISPATCH_METHOD, , A& l3 F2 x. k4 q3 E &dp2, , }0 | G& N5 G &var, 0 p* e3 u; V# O &ei,* K* \% f) I3 _- T$ u5 v
&uiErr); ( Q4 y" b6 Q% ~4 t/ y& G5 n0 B3 A
SysFreeString(topicStr);6 k# \* G. J' E$ @1 L4 F4 j6 Z
SysFreeString(itemStr); * j2 q% J; q9 E: C( _: R请问该程序是获得extend里面的哪个值? - {# ]$ _* h" t6 ^; D! L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????