2 ^- _% c. A3 ^+ O9 a2.这是request的程序6 R0 R* }' E0 d6 \2 e' k2 |8 I
// Request a value from Extend" f( L6 ~* o* S
// 6 E# n+ F1 v% |1 j// Initialize the variant that will hold the BSTR. Set the variant's 7 ~, W! E- r6 o& f% K0 j2 c// type flag to indicate the fact that this variant holds a BSTR. Place the ! d! e( B, {: z- o- f8 C. E// BSTR into the variant structure.: G. Z- q4 |# k
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); $ K( {9 T4 L6 W ) z8 R" V2 O& ~" ?2 K, S" R. T
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! W) T7 t: a+ E9 U) d- P: g* o
VariantInit(&requestVariant[0]); & N0 ~: S- A$ @/ q requestVariant[0].vt = VT_BSTR;6 F3 V7 q' {3 [) {) `! w1 |
requestVariant[0].bstrVal = itemStr;$ v6 u* |% L+ K8 \* y$ T
: U0 X- I% t6 `1 u3 w! u W topicStr = SysAllocString((WCHAR *) L"system");/ M, s7 t/ _/ F* C% h
VariantInit(&requestVariant[1]); z5 c! o( K7 f4 j
requestVariant[1].vt = VT_BSTR; # y; ?9 F7 T# F3 S requestVariant[1].bstrVal = topicStr; 7 @: C+ _6 y. U) C: O. u) r& Q6 L0 n( T( S" z+ j/ \
// Set the DISPPARAMS structure that holds the variant. ' L$ o: C8 y; ~6 A 2 Q {2 c1 k! N dp2.rgvarg = requestVariant;# _+ N% B! D1 m+ o: _5 E V% x% y* y
dp2.cArgs = 2; : a' x! y3 z v2 o b5 Z* M/ X5 s dp2.rgdispidNamedArgs = NULL;( N4 [3 O7 K0 z& R
dp2.cNamedArgs = 0;/ F9 j z" P& z0 @; X
D! P) L3 ?1 x7 r7 \ var.vt = VT_EMPTY; 0 R7 |5 f5 M' f' W$ Z( k0 e" `. ]$ Q8 i' E R: O' ^$ B
// Call IDispatch::Invoke(): D* I% P B, t1 E, S' {7 L9 {% V* u
( g5 a1 S( o: r hr = m_pDisp->Invoke(. \4 _, ~ e/ a5 R6 R
requestID, 1 y: M$ _7 c4 @' l& v) b! g- O IID_NULL, 3 Z% ]$ X/ `& N LOCALE_SYSTEM_DEFAULT,! \; j9 E ^/ f! G! i7 \6 l6 q
DISPATCH_METHOD,/ s/ W: G& d* W {
&dp2, 9 e- S7 p$ [2 g. F. `! \ &var, , _1 e8 y6 g- ]0 Y7 ? &ei, : o1 `8 S0 F2 r+ J1 q &uiErr);5 h- j' q7 {% `, p( D8 C) f
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SysFreeString(topicStr);' k+ ]$ k8 v: T B* Y+ m8 \
SysFreeString(itemStr);( ]6 M/ f" G6 v3 E
请问该程序是获得extend里面的哪个值?7 X) }: T/ Y0 d! O9 n2 ^" n- {" K
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????