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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:8 t r: f5 t: `/ Y7 ?- W
Name = (WCHAR *) L"Poke";
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# y" L z% v( l. G+ z( j/ ` hr = m_pDisp->GetIDsOfNames (- {+ ?' o5 P1 r' J$ q' d5 ~
IID_NULL, // reserved
) \ A& j0 n) j+ |/ V& K3 r7 N &Name, // Array of names to get IDs for
0 t2 b5 ?1 o/ ?% P% D# u2 f; k- w0 h 1, // # of names in the array
: {9 h- q1 E- G. d( u8 \0 z LOCALE_SYSTEM_DEFAULT, // System locale, ]0 E& \* p( x9 {8 ~
&pokeID); // Array of IDs to fill on output! z7 m/ W6 K. V: k0 o
5 l7 b1 G" ?9 Y if (hr)5 p; h0 i' E4 U
{
9 @0 [) d* Y( K; G. W MessageBox ("Get Poke Unsuccessful");- _- y0 q; M2 t6 U9 ]
return;
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/**************************传递数据给extend**************************************/
9 g0 B) r! s+ V" m/ c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" m3 M# ^6 _' n7 o9 c4 W: i
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valueStr = SysAllocString((WCHAR *) L"1232");
* D7 l. t* f8 b1 ]) O. n VariantInit(&pokeVariant[0]);
/ z0 P' n3 J5 z' N pokeVariant[0].vt = VT_BSTR;/ `3 \: A1 z# V- V1 [) d
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; Q# g8 D# L5 r* x. J
VariantInit(&pokeVariant[1]);
0 E! l, L2 D. J( W pokeVariant[1].vt = VT_BSTR;. R: b: \7 X/ @2 {
pokeVariant[1].bstrVal = itemStr;, j* A6 n; `- M$ Y7 a. j
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topicStr = SysAllocString((WCHAR *) L"system");
" p$ t; C" j4 c) R8 o4 m" K+ ] VariantInit(&pokeVariant[2]); " i- B( I3 f3 g, `& c
pokeVariant[2].vt = VT_BSTR;
. j% N" j) \$ L" d& k# r5 ~7 G pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
+ F# O3 D1 j8 m; d; a dp.cArgs = 3;
P" Z' x2 k0 q6 c2 B6 b dp.rgdispidNamedArgs = NULL;
2 N( Y: ]1 z6 g( ]: M, R+ M dp.cNamedArgs = 0;& Q7 i$ q; v/ K- a! j& N1 }
B+ r3 s( {; H5 b: G( {1 @// Call IDispatch::Invoke()/ y0 p7 Y2 C, t7 o6 {. m
3 r; h$ r/ p" k1 I! g0 G' v hr = m_pDisp->Invoke(
+ q/ A! w3 e5 S. E' U pokeID,1 p; p# i: v7 ~& c6 O
IID_NULL,
1 F$ B) i5 Z( I' R) A `( u" y LOCALE_SYSTEM_DEFAULT,
, q* k! D; R+ f7 x DISPATCH_METHOD,
4 D$ K! h! D; `6 d" U &dp,; n$ {% v: j" x
NULL,+ z' m' V& `4 Y# P( @4 T: O
&ei,
5 f5 }! ^! h# v3 T &uiErr);
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SysFreeString(topicStr);
0 T( x) ?- U- k0 r/ ^% ^8 U SysFreeString(itemStr);
7 e0 I3 K8 _+ ?+ |' r6 E& R SysFreeString(valueStr);. j3 v6 N: u3 n7 B
0 w8 H6 x5 ~$ @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???
& Q* ~ L8 X4 n* G1 C3 P. e3 l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????/ ~6 e5 ~5 N: {% e3 E
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2.这是request的程序6 m* O! E: k( [* d3 Z" {. M4 V
// Request a value from Extend8 `4 P2 u) W+ p
//
6 F/ k% P: K0 N// Initialize the variant that will hold the BSTR. Set the variant's
* y e0 D7 T) q. d5 m// type flag to indicate the fact that this variant holds a BSTR. Place the2 E4 K4 i4 H, {, s: \, A
// BSTR into the variant structure.% s: W7 }% G0 _/ q( A' g0 E( {7 t
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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: F; h* P% n8 i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 t# ]. L; U; ` |' P0 c
VariantInit(&requestVariant[0]); 1 Z. z1 }' c+ y4 s* b
requestVariant[0].vt = VT_BSTR;: s, m1 l7 y2 |# \% P% T
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");5 G$ k: Y6 ^, p7 R" t2 ^; s
VariantInit(&requestVariant[1]);
; a8 L5 A3 g/ u4 t requestVariant[1].vt = VT_BSTR;
. ?: B3 H1 N& u requestVariant[1].bstrVal = topicStr;7 Y* f+ [0 B0 ?; c# S
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;6 Y; F$ M/ x( Y) R/ e) m& d! {6 |' `
dp2.cArgs = 2;. U9 E. C9 |3 j7 Z4 V9 h
dp2.rgdispidNamedArgs = NULL;, |* k" v T E. `
dp2.cNamedArgs = 0;( P& @2 `; C1 n1 O4 `- Q1 {
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()+ n# A- l/ M" D0 F* @; F. g+ d5 f
: w$ T) A7 X6 b: L r8 T/ @% s3 B hr = m_pDisp->Invoke() P/ P2 j" ^5 d* X+ Z& V2 a
requestID,
. S/ [8 w# Z$ Y3 K IID_NULL,; T( b0 S! q! ^0 R" N
LOCALE_SYSTEM_DEFAULT,% G+ ~$ |0 A/ ]; R0 q6 |& g
DISPATCH_METHOD,
; w% V" W3 y/ {: T0 p &dp2,
! p9 ^ I+ l' c3 x2 w% i &var,
' i/ J8 Z& N: }2 `2 R4 m5 S &ei,, i" ?0 d+ } N% h
&uiErr);
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. v* C% h$ u' y; n1 d& V SysFreeString(topicStr);8 H0 Y. d' W+ ?. H" @8 n/ E
SysFreeString(itemStr);
8 b& W' j! `& w9 H: \8 S% l9 H请问该程序是获得extend里面的哪个值?+ g% k0 |8 r* W5 n( V P
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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