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5仿真币
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:
" E( F Q* }. C% s. RName = (WCHAR *) L"Poke";- t) j3 h6 g7 g
3 d8 T3 N: ^% _/ X+ W2 ^6 A# |: {9 @ hr = m_pDisp->GetIDsOfNames (* e/ L, m0 T& ^# f3 X: x
IID_NULL, // reserved% n1 z* e1 |0 R1 Q# R( m6 I
&Name, // Array of names to get IDs for& ^' Z$ @5 G* X, E0 Y; Q+ v
1, // # of names in the array0 ?6 J# {3 u; C0 Z( W0 S+ u
LOCALE_SYSTEM_DEFAULT, // System locale, q# Y6 T( C) u, Z. ?4 j- [" P6 w8 a
&pokeID); // Array of IDs to fill on output8 i; F+ K: D! j: T) A! L9 L
6 s' p" F. K! r% v' t& R- E) e if (hr)- K! {/ E% v3 Z# r+ W5 @3 N {
{9 y2 {3 X4 S) M& u! I* L) M
MessageBox ("Get Poke Unsuccessful");2 u, D: V8 w5 E7 J t8 g
return;
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* v v. C& b) n; G# t9 f0 M; O, |: L3 d& A z& t% {
/**************************传递数据给extend**************************************/
$ T. t/ d) m5 ^) F) }1 Q/ B pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& h* H3 c, \9 ^% k; m
3 P" u3 C4 t: @: f1 E. o+ D
valueStr = SysAllocString((WCHAR *) L"1232");) |0 Y$ k0 d' z% E0 `
VariantInit(&pokeVariant[0]);
" ]' G# Y+ c4 S# n" E pokeVariant[0].vt = VT_BSTR;
# }, r% k/ M5 M) W pokeVariant[0].bstrVal = valueStr;
; \' S/ c: b; P1 F; o" g2 {2 B; c0 |8 [8 u [ I' V
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ s' \" m, R$ |/ ?( y& b VariantInit(&pokeVariant[1]);
8 p( h& B# S7 a3 n1 } pokeVariant[1].vt = VT_BSTR;
: }- |0 ]" m9 `' H$ d" G# D pokeVariant[1].bstrVal = itemStr;
$ V6 W0 E* \( x0 \& C
- s: a+ Y! o( N. A- F topicStr = SysAllocString((WCHAR *) L"system");% P9 r6 u" f$ H% v2 E) Y% Y- y
VariantInit(&pokeVariant[2]); 9 l' ?1 h" F# @4 Z/ `* G
pokeVariant[2].vt = VT_BSTR;
3 ?/ Q; H0 e: {, B% }+ G pokeVariant[2].bstrVal = topicStr;7 V$ ~( {$ e, x! J/ K: h
$ ], i# e! c" Z
// Set the DISPPARAMS structure that holds the variant.6 V- x( n% x2 y: Y, c
2 P- b k% ~! u# g, W dp.rgvarg = pokeVariant;
5 m9 x1 ~' y. t* P7 D3 H dp.cArgs = 3;" ^0 \4 O4 v6 F. x
dp.rgdispidNamedArgs = NULL;
6 O6 L" q8 D; G' ~9 _5 G dp.cNamedArgs = 0;
# K+ U0 A& x1 X a
! p3 `+ v' E% K( h3 y9 }// Call IDispatch::Invoke()
' O/ f. Y1 m2 `: o* O. d2 w. x' O6 x3 T: K; @7 Z$ z; T {
hr = m_pDisp->Invoke(
$ C, j3 k5 v4 r% T3 n. Y+ R9 _ pokeID,4 b% e; Q' }8 ~; @: S l+ k
IID_NULL,
0 [4 W4 s" ]6 Y+ c LOCALE_SYSTEM_DEFAULT,
" h r6 j& x' ~$ [; Z DISPATCH_METHOD," E4 t; {9 C$ Y! Y3 O6 o( |4 S
&dp,
1 O7 f( i: P9 c NULL,; G$ X, N8 h; V l2 t) A9 y9 G& V x
&ei,3 ~$ J+ @5 }& {$ c. u
&uiErr);
3 [' z( X& V, i+ ~3 h- g0 X. x9 z8 d+ Z. S
SysFreeString(topicStr);1 r9 h3 U) U6 c1 P' ]( t D/ ?
SysFreeString(itemStr);# d- k7 r/ z. `! M
SysFreeString(valueStr);0 I. q0 {6 N& n1 z
' f0 ~, P% H7 Q1 Z9 _2 R6 c. _! p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???
6 t7 v# q. o6 n g: x% m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????8 t. [( I9 _ G1 ~
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. N& _5 L C2 I5 A2.这是request的程序
! s: d& b; U' q8 v% ]' o7 E2 i// Request a value from Extend4 g1 c9 ^% _% ^- p2 Z3 r
//
5 l: ~4 `/ W) i$ V1 g7 z// Initialize the variant that will hold the BSTR. Set the variant's
2 l$ ?# Y) q0 ]* \! z// type flag to indicate the fact that this variant holds a BSTR. Place the. m: w9 P, V+ { \' z
// BSTR into the variant structure.
* E3 c9 z2 b! d0 B: l' d2 o
E E% U5 y l( b. ]# P9 k requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
9 |) C3 z( j2 l. Z$ Z
3 I7 h q: z2 R, g7 g1 |6 S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" z: g) q) I' |4 F# m
VariantInit(&requestVariant[0]);
( y" t+ j7 B* B$ }8 f requestVariant[0].vt = VT_BSTR;, c) ^* p3 E* W$ g! h
requestVariant[0].bstrVal = itemStr;
- o- H" p3 D& j0 M$ m j' t, \' z
topicStr = SysAllocString((WCHAR *) L"system");
) o! E$ N+ D( q8 o7 Y# b7 w: s# ? VariantInit(&requestVariant[1]);
; ~, p) y, ~ d4 U" P$ e requestVariant[1].vt = VT_BSTR;8 g9 J9 u( t" F2 G& C5 I. I2 E
requestVariant[1].bstrVal = topicStr;
; D& T# w, x* b" K* a4 J4 ]4 v) E4 k; U% J6 r
// Set the DISPPARAMS structure that holds the variant.
; x: s6 P# M, |1 T, t5 U. u/ _4 W/ B& C
dp2.rgvarg = requestVariant;
6 g2 _; ] P1 ?& W1 }4 C# E dp2.cArgs = 2;
. u! w$ k/ G+ }/ x3 z5 q dp2.rgdispidNamedArgs = NULL;
$ {1 @* G2 r! R dp2.cNamedArgs = 0;1 t t$ a( q( s& u/ h
1 [' w: {( u9 `
var.vt = VT_EMPTY;$ M; Q6 o) W# S8 f) S' z7 a6 a
( z4 E; P1 O9 J+ J4 o$ T5 a# n" U
// Call IDispatch::Invoke()
1 [; f1 n4 b/ h" u9 w- L7 q8 k, g+ V7 I' {' E1 b% p7 v4 q: n! ~7 e
hr = m_pDisp->Invoke(8 s2 |+ D C0 u: t
requestID,. v2 e& l0 J6 s' ?
IID_NULL,
* v* {/ j K) B. q LOCALE_SYSTEM_DEFAULT,: t) v; A! _/ f$ m2 X! I5 V. Y
DISPATCH_METHOD,
& b6 n5 c2 |: B7 V$ V& p3 ] &dp2,0 S1 t- Z7 K# O* a. `8 W. V9 x- g0 y
&var,# P# Q1 E! O( J6 d
&ei,
3 d* r+ |, Z. H# Y, ] &uiErr);
1 h1 J% L& H! u0 f) s& u
8 }( K) J1 C8 P+ ^ ] SysFreeString(topicStr);
8 F! O( w) s9 t( X& @) j SysFreeString(itemStr);
! W y# ]5 b' d; Z; ?请问该程序是获得extend里面的哪个值?
( g- I( b$ L5 u; g5 ]5 J' a) v1 A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???? |
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