我现在用c++编写了一个程序,希望能够和extend交换数据,以及自动对extend进行一些操作。我参阅了例子里的关于OLE AUTOMATION方面的c++程序,但搞得不是很懂。比如说,c++程序向extend发送一个数据:* Z" D+ \" g! S" e, {3 B
Name = (WCHAR *) L"Poke";$ e' L9 b1 }7 ~) M) I/ y$ {/ ]
; u! M" y2 u: b4 N& R hr = m_pDisp->GetIDsOfNames (. `, @- G7 Q" D
IID_NULL, // reserved . C/ c7 W) j$ P/ _" i$ c &Name, // Array of names to get IDs for ; R, z) n/ s* B0 u 1, // # of names in the array6 P3 B2 d# M6 D: q2 H! d
LOCALE_SYSTEM_DEFAULT, // System locale; w0 S- h. e, j- Y4 Y" |1 y
&pokeID); // Array of IDs to fill on output ) F9 m7 m/ k p) A& V& X* T . p6 p" B A1 z- h9 l$ P if (hr) # F4 m9 F. F) \1 y. x3 |: _0 z {$ B( ]. N/ [/ D0 n* ]2 _
MessageBox ("Get Poke Unsuccessful"); 3 ~# v; b$ K3 t8 F) Z return; " G |9 d3 V, d( ` }' K- c. o C: g. U% }" J# @/ W9 C( Z
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/**************************传递数据给extend**************************************/ 4 T7 ^& Q1 k9 C pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 ]( b& Q; b# Z* A; v3 p
; E# ?* O3 N! V* c valueStr = SysAllocString((WCHAR *) L"1232"); 5 v- [. @9 e1 f; P, M$ n" j VariantInit(&pokeVariant[0]); H9 b; D5 X3 T' ~ pokeVariant[0].vt = VT_BSTR;5 e/ f2 l3 b' T# J1 ]
pokeVariant[0].bstrVal = valueStr;2 l: O J' _- B; |# n+ l6 ]
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! W8 U( k; \7 l& Y8 y$ G8 f
VariantInit(&pokeVariant[1]); , o: N$ r$ Z) r# O( s2 V
pokeVariant[1].vt = VT_BSTR; K( q' X1 C1 r2 @8 }% m. o pokeVariant[1].bstrVal = itemStr; 2 s+ e4 [; \ _7 t4 w" A, H4 Q" x9 _
topicStr = SysAllocString((WCHAR *) L"system"); b3 C" X0 w. X; \ VariantInit(&pokeVariant[2]); 4 Y: S6 T0 i& K2 T1 `9 R& g pokeVariant[2].vt = VT_BSTR;8 t& D# g. O) ^8 f2 c' f! ~, I
pokeVariant[2].bstrVal = topicStr;8 f3 K8 ?8 ^1 b O3 L9 {9 e1 b Y I
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// Set the DISPPARAMS structure that holds the variant. + c5 _4 A% _8 y4 u! O1 m" d, R5 Q3 `: h3 z
dp.rgvarg = pokeVariant; # S4 u' }- t' C2 u) Y dp.cArgs = 3;4 `0 k4 B' B+ N, W; _/ ]% P
dp.rgdispidNamedArgs = NULL; , s+ P, a% E0 i3 s dp.cNamedArgs = 0; 4 v( j" o9 V m A( n0 ?: e( h3 c0 ]$ ^/ |/ v
// Call IDispatch::Invoke() 3 u6 l1 j' S5 w$ V3 x0 o0 Q3 J" s& f6 D, B
hr = m_pDisp->Invoke(0 G; e+ l( r1 `# p$ B
pokeID, 7 A$ k7 @1 M$ k( e; [ IID_NULL,& l3 W& B/ V/ \5 j! ~
LOCALE_SYSTEM_DEFAULT, 7 h7 f+ T: F/ p1 ~: T DISPATCH_METHOD,2 a0 F9 ?; f. R7 u, C
&dp,2 L$ X! k) u/ v4 P; t2 B. [: d+ i
NULL,8 d/ s s( ^4 L0 r" R% q
&ei,% }3 I* `% G2 V
&uiErr); r* f* F- ]; \3 U- @$ g/ k9 S6 Z) @- @7 n' [5 [
SysFreeString(topicStr); 0 P2 J6 `' l; K6 u/ a% Z& G* j SysFreeString(itemStr);2 u, T+ n# Z$ S8 S! {
SysFreeString(valueStr); 8 t( g% T( N+ U( [$ q9 o. j/ F0 L, D, j1 G0 S' H* t
现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???" D# z3 {# Z- {3 t
此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现???? 1 R3 ~; N8 e+ p6 j1 m ^/ s U3 t1 ^* A; J8 Z! v: q: L
9 @0 { ]2 @: }: u. E* z2.这是request的程序6 L! z5 c- o4 X2 M: {" C6 P2 H% _
// Request a value from Extend$ h. A3 A2 B6 P% _1 J
// , \7 o, }9 m' R/ X W0 Y// Initialize the variant that will hold the BSTR. Set the variant's% @1 X/ w7 L, G X, N$ T
// type flag to indicate the fact that this variant holds a BSTR. Place the3 ~* \. H) { W9 N: w
// BSTR into the variant structure. # V w4 r+ o& k! N0 C }0 `9 r) v9 Q/ q1 a
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# j2 l+ N2 `$ T: Z5 n
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% q: N" i* H$ C8 t' p& A5 M
VariantInit(&requestVariant[0]); % |% L+ n# D) n w+ ?2 a requestVariant[0].vt = VT_BSTR; 9 ]: k" e% E% L requestVariant[0].bstrVal = itemStr;! E6 ~/ b- m4 }/ h; i: ?5 ]
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topicStr = SysAllocString((WCHAR *) L"system");& j, g* y0 n/ R( T7 |( f9 h
VariantInit(&requestVariant[1]); + k% ~7 q" X0 F" y6 P5 X. q$ v
requestVariant[1].vt = VT_BSTR;/ J' ]0 P) _: _. x
requestVariant[1].bstrVal = topicStr; 6 v0 m# L: d7 g5 q, I' t) a2 @/ g% C" u! R/ v t! ]$ g
// Set the DISPPARAMS structure that holds the variant. - m" ~2 _$ Y1 S% k " j7 u/ {* q0 b+ k2 h: L2 I dp2.rgvarg = requestVariant;8 b" q2 ]' Y* b! W/ x, d0 U2 i, r9 K- s
dp2.cArgs = 2;3 ^8 X7 z* \ p
dp2.rgdispidNamedArgs = NULL;" i7 B8 g9 B; `9 i
dp2.cNamedArgs = 0; . h: a9 M1 x0 {1 U4 d/ |; }% n5 @- x' y$ U/ g0 k+ c: G
var.vt = VT_EMPTY; : |2 p: E0 x6 H- C: S! a, | 0 e# P8 c& |3 S: R// Call IDispatch::Invoke() / J& M! U1 E& G% A8 O0 d5 h/ q4 H: w$ L% i
hr = m_pDisp->Invoke( 8 [/ M6 k# X4 B! y" r requestID, ) g6 k3 v2 y7 t2 \+ p$ [ IID_NULL,% I n: g n, ?) c/ _
LOCALE_SYSTEM_DEFAULT, 4 m e9 b, c! S2 W0 h2 E DISPATCH_METHOD, ; y4 S' J1 B' f& I &dp2,0 J8 y( L, h2 m6 W
&var,' m" C/ @/ \2 y S; F
&ei,- A; u+ r: B9 x. o9 N8 I7 b9 G
&uiErr); 8 X. F% x' b' m7 b! ?. @ ! r. l% X) D. T. l SysFreeString(topicStr); 2 G' i M; W: f% p$ m3 G+ | w- v- Q H SysFreeString(itemStr);5 n3 p: C% {) s& {4 r
请问该程序是获得extend里面的哪个值? 9 A* _1 m! J; {% w8 e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????