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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:
. t% W7 L+ i8 AName = (WCHAR *) L"Poke";' Z( ], b: ~8 n$ F. X3 K8 D" ~
; p1 h$ r$ [6 c' @2 \+ a) _ hr = m_pDisp->GetIDsOfNames (
6 U8 w M. W, C% y6 ^$ _4 a% \ x IID_NULL, // reserved
+ e: U: ?0 X2 _4 c+ w% v: [6 [ &Name, // Array of names to get IDs for
7 O" w* i0 @+ S) ` 1, // # of names in the array+ t7 j$ @. R; q$ [: n; ~
LOCALE_SYSTEM_DEFAULT, // System locale2 i* `5 |9 y+ |$ e z1 @1 n
&pokeID); // Array of IDs to fill on output
; a* }$ y& T! B) t* E s# A8 T" Y ! K) K+ U% K- {/ q- a! u! t
if (hr)
5 F$ O5 V* X |# A' s4 y. h {- c8 M- x: I6 h2 m+ D
MessageBox ("Get Poke Unsuccessful");- M% @* e' p, `6 o$ T4 Y
return;
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" p2 D3 L; r8 Y/**************************传递数据给extend**************************************/
, \, Z0 i. {6 m1 ~& C2 [ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& g; x* p# k' @/ Q1 {
+ N# V* l- Z% \7 {( V valueStr = SysAllocString((WCHAR *) L"1232");
& K7 d5 D8 V7 Z$ Y VariantInit(&pokeVariant[0]);
, O$ x# L3 v3 l/ S1 C0 t8 W; } pokeVariant[0].vt = VT_BSTR;+ z" P$ M. g M0 x' K3 W0 v
pokeVariant[0].bstrVal = valueStr;" P. E; g8 Z- E5 u6 m8 T
1 Q& j/ W& M& a! i6 j- o/ ?7 F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 H/ q9 r3 i A2 w VariantInit(&pokeVariant[1]); + W: w0 k1 t7 f5 u3 d3 n
pokeVariant[1].vt = VT_BSTR;
. x+ X' ?6 b% y; ~) @4 u# d, `' R pokeVariant[1].bstrVal = itemStr;
4 \& X* B+ s; N" I# A
: Z) Q0 u7 V* F/ t5 J topicStr = SysAllocString((WCHAR *) L"system");
/ V8 B0 }" T6 j& H; ^2 J VariantInit(&pokeVariant[2]);
3 b9 ^1 ?; Q+ I" o" h pokeVariant[2].vt = VT_BSTR;8 z" r) b( X% S! E+ ]1 l
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
( D& e( Y. O0 j; a dp.cArgs = 3;' K3 y- T0 H! |% a# g
dp.rgdispidNamedArgs = NULL;% K F" {/ P8 s5 i+ S
dp.cNamedArgs = 0;& n9 |- W% b" i6 H
$ F0 }" `- X' c( B$ \// Call IDispatch::Invoke()
6 ` x6 D* K" o# z+ u4 p% r1 y
5 j. P5 O& L) h1 F1 K- O# N( Z hr = m_pDisp->Invoke(
/ H. G3 i h/ { pokeID,- D! k6 g0 t: d# F% }% E8 }
IID_NULL,
* G4 ~- G% l. e5 a# p LOCALE_SYSTEM_DEFAULT,
' o5 v* `6 a' F1 k8 b Z DISPATCH_METHOD,
$ O+ P: e0 y( Y# \8 \% b &dp,
% S& E% N" Z; {. U3 o NULL,/ O1 s5 n! C8 B \/ f) D% c. M! f: x
&ei,
% R. E# d! s8 l0 O &uiErr);
: p$ C: w S1 \- `( @; Y. P, r
! x$ q! I! o1 `. z4 @ SysFreeString(topicStr);5 E2 @8 G T& x% E
SysFreeString(itemStr);
3 m6 Y5 i: B' ~) T SysFreeString(valueStr);
: w$ ~+ n) f n% Y; D3 D' a
' D' a: O T7 p' F8 P/ r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???
0 m& b- M% c4 g) _. [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????: T6 ]' ~3 w- B& Q- m6 ]2 C8 g
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/ S7 o T; V; B" I. w2.这是request的程序
" V, i) c0 Y; U" N/ y// Request a value from Extend
* {: N8 Y" Y" x+ i0 F//
- P/ l8 D: S! b1 g3 m. V5 h* }// Initialize the variant that will hold the BSTR. Set the variant's. z6 d' |1 s- K0 V7 I" _2 `
// type flag to indicate the fact that this variant holds a BSTR. Place the
6 P2 N T! ?' |; y// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 n4 P, L2 U5 E$ @1 l6 n/ D
! w/ v; z5 h \
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% Z: @. T% {" U- P4 B( h2 y
VariantInit(&requestVariant[0]); * P$ `/ B1 V" A+ J& m! L
requestVariant[0].vt = VT_BSTR;
, Y1 Q3 l& k) S! [8 { k, y requestVariant[0].bstrVal = itemStr;) w1 ~, e; v) c1 |2 I; ?
7 d. |7 I/ G% L) }/ P
topicStr = SysAllocString((WCHAR *) L"system");' ~( e9 p' N7 c j% c. _( V
VariantInit(&requestVariant[1]); ( G2 _0 p4 D& Y- m" Q7 R. R/ X
requestVariant[1].vt = VT_BSTR;
7 W9 m! D) ^) `* s* l) ?# b requestVariant[1].bstrVal = topicStr;- g, o$ k) b4 z R/ g1 Z
1 q* U. Q, e0 m
// Set the DISPPARAMS structure that holds the variant.
1 v' l" i; P1 v& p
8 i9 [$ m4 y; o* p' v dp2.rgvarg = requestVariant;
, ~ C% y" p" E dp2.cArgs = 2;5 c& f/ V6 T: B3 E
dp2.rgdispidNamedArgs = NULL;
d+ w7 I6 h, V% Z3 @3 ? dp2.cNamedArgs = 0;2 M) E: s, I' s/ Q5 V
7 ?' E' M! r) I( [/ u' Y; u var.vt = VT_EMPTY;" [' i! ?+ S! {
+ a& w6 j5 A2 H9 e4 T7 z// Call IDispatch::Invoke()
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! @: K4 m- n# T hr = m_pDisp->Invoke(
: T! R; X; u) ] requestID,; y: ~3 G. H) l* G) Z& o2 Y
IID_NULL,
3 {4 _7 m7 v Y. Y' _ LOCALE_SYSTEM_DEFAULT,
- w& [ Y; F" b: N: G$ q$ O8 v DISPATCH_METHOD,
" L, r; a* ]+ m4 B# U &dp2,
- `0 {; N0 C/ ~5 C! f &var,
; B' v7 j8 H# }! S1 [ &ei,5 _: l5 Z I1 d C8 {3 s0 N
&uiErr);: M# Z# z% m5 b. {/ e
; b+ G# m8 L( ~ m SysFreeString(topicStr);, C# L3 e( ~0 T* v' }+ h
SysFreeString(itemStr);! b: j% Q! W4 I- K
请问该程序是获得extend里面的哪个值?
: H9 ^9 L: }& T: j" _9 k& C8 t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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