" M8 v/ l6 o: n3 q; _. k; V topicStr = SysAllocString((WCHAR *) L"system");1 {% \1 S K$ A9 B% l5 b7 ~
VariantInit(&pokeVariant[2]); , J' r6 i% [, o' M+ F' q' W' M
pokeVariant[2].vt = VT_BSTR;$ n0 D' l5 A1 K3 M- F/ w% ], C
pokeVariant[2].bstrVal = topicStr; 9 x/ ]) q: o+ H. z& d" F D& A 1 J& \9 c2 a, S7 V# W// Set the DISPPARAMS structure that holds the variant.7 L! |% b. W6 F! q8 T Z. [
; s9 U# \1 z0 D dp.rgvarg = pokeVariant;3 g( Q' M2 w8 P4 U; `6 t/ U
dp.cArgs = 3; 7 {' ~) x5 l. y6 z" K' n& H5 X$ { dp.rgdispidNamedArgs = NULL;. C' B1 N3 d1 |: y9 g
dp.cNamedArgs = 0;- q1 S( d$ [9 C$ b: M6 G0 Q/ }
8 q0 l" C- w- T% B0 M9 i! s6 C3 A// Call IDispatch::Invoke() 9 R* c8 ~' L! V9 x. O 9 L4 b! X$ h% {& H1 a! s4 }9 T hr = m_pDisp->Invoke( 3 y, g C. P- A$ z3 b1 J2 |) j pokeID, ! H1 q8 p& k% O2 l0 w% Y4 Y IID_NULL, W3 N/ V5 U6 G' s8 l. ]* u LOCALE_SYSTEM_DEFAULT, 3 d0 d1 d! s* k9 l+ ` DISPATCH_METHOD,' @6 N; \/ w" Q4 [: T, J% e+ C
&dp, # L. \- R3 `7 K; r NULL,& X! @1 z8 |7 Z5 g( n( A2 A
&ei,7 f0 W6 W6 C3 [$ k6 h# ?1 ~0 ]
&uiErr);, X' F9 T R( V! z! Z; P
1 f0 J' h) B( x# I0 z c; r SysFreeString(topicStr);0 S8 S0 d! a8 S6 R. [3 N
SysFreeString(itemStr);6 K7 q5 t! Q6 X3 w" y& \- F: X
SysFreeString(valueStr);+ z$ V4 A( X, L0 \
2 Q( ^$ _$ E" ?8 y I 1 {7 F$ ^# U1 ?2.这是request的程序! ?1 h% K5 d% {3 a$ Z
// Request a value from Extend1 S$ f7 A9 a# q
// + t( p0 |, Y; B% |( q// Initialize the variant that will hold the BSTR. Set the variant's , q) O6 S7 v! Y& l// type flag to indicate the fact that this variant holds a BSTR. Place the% @- e/ ?* n, ~9 Z
// BSTR into the variant structure. 8 @" Y l+ K1 m. v1 N7 F: o' D" ~5 C& [& J0 Q
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); ' }- I- ?0 m' s- f7 u , M; b+ J+ s: v( C* k) m" i
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ' y( @ t( @# w. b( C VariantInit(&requestVariant[0]); . R& d% f" E8 M
requestVariant[0].vt = VT_BSTR; : `' ^" K; w$ p( i6 Y9 e7 Z' \. ? requestVariant[0].bstrVal = itemStr;4 O) g1 `3 k$ U' L% t
# M/ D5 H% b& ~5 `2 _3 g M$ [# S+ Q topicStr = SysAllocString((WCHAR *) L"system");& w! ~, P5 B; A- ^/ N; n
VariantInit(&requestVariant[1]); 5 C. F: Z% s# l& z
requestVariant[1].vt = VT_BSTR; 2 k0 I8 F) @& G" c requestVariant[1].bstrVal = topicStr; 5 k, D. z m7 H; v l ~) E% M! S2 O7 D% a9 O0 E
// Set the DISPPARAMS structure that holds the variant. - T- F5 e! O( ~; Q" A } X : t+ |4 V# |! R5 O/ t dp2.rgvarg = requestVariant;' W8 a9 {# p" V) F
dp2.cArgs = 2; , c0 W' a+ ^5 P: k dp2.rgdispidNamedArgs = NULL;# M: A7 e" M5 I( W. o, f( k
dp2.cNamedArgs = 0; & a, }) X6 a; P- X8 a5 }4 R9 Y; u9 u! ]4 l8 W
var.vt = VT_EMPTY;1 N3 H0 j/ q' n
8 T$ x! W) B4 k3 T( [
// Call IDispatch::Invoke() ; D1 a- D! R7 k9 U7 C) k" N8 E . Z0 G4 i9 C; z' T9 h: }/ s hr = m_pDisp->Invoke(4 {( L8 e g" m0 _; |) b1 S
requestID,& B; I! Z* N6 {$ H3 Y% l B
IID_NULL, * p$ B! ]6 s4 `. v' F+ T LOCALE_SYSTEM_DEFAULT,9 e; Z& @* ?! w' ?
DISPATCH_METHOD, $ ^& {: @0 Y5 W- C5 e) g &dp2,. Q$ l5 J |0 r! g" f% N
&var, 7 O- B9 N6 q$ T& C% h% { &ei, 7 r" C. P4 o, F% C3 k$ w7 ?) y0 U &uiErr); & c9 b& n0 y- D0 p3 s' G' N ) E6 D) I8 s1 e' c9 ~; C SysFreeString(topicStr); / A' d- x5 l$ H* a: u/ A SysFreeString(itemStr); 9 j8 ~9 b6 |. _: z/ ~8 N" L4 g! n请问该程序是获得extend里面的哪个值?6 `4 s! D! t9 Z& I" a+ O, d- A/ r
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????