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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:
9 ?" m6 V1 t2 P. P% m- BName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
: [" ]0 S& ?8 b( a IID_NULL, // reserved6 o0 D+ i+ d7 T; T6 ^- m/ Y7 ~- E3 v
&Name, // Array of names to get IDs for
% H' ]3 {6 t- P 1, // # of names in the array
( v* q9 z' w& h1 u LOCALE_SYSTEM_DEFAULT, // System locale
+ f9 Y! }. w9 z &pokeID); // Array of IDs to fill on output
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if (hr)1 C ~+ _. I9 i* b
{4 s- B' e! [! K5 \# b& h" L5 ^3 @
MessageBox ("Get Poke Unsuccessful");
$ ~3 l( W0 M: o% w8 s" A9 e/ r return;
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: X. H3 c2 _% {/ n6 L/**************************传递数据给extend**************************************/
) W8 p( J5 Y, S Y3 s$ ^ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");( d2 [% q- q' h& F
VariantInit(&pokeVariant[0]);
) v; O* `0 e& h; P8 g/ N pokeVariant[0].vt = VT_BSTR;
@8 X( g% `4 v. g e! ]: E0 S7 O. z pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ i; P7 V& Y" s1 Q) @% t
VariantInit(&pokeVariant[1]); ! G( Q) s' i1 `1 T
pokeVariant[1].vt = VT_BSTR;3 q9 e2 j1 w) \% n! v6 q9 X
pokeVariant[1].bstrVal = itemStr;6 T6 t5 z1 f1 W: @
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topicStr = SysAllocString((WCHAR *) L"system");4 C3 z6 j/ z' }0 W- r p# m
VariantInit(&pokeVariant[2]); * S' k' N9 ]$ {2 E( V
pokeVariant[2].vt = VT_BSTR;9 O8 P/ _) u1 l% t3 x
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
. |, ^9 _' ]2 |2 u6 e dp.cArgs = 3;+ u; K4 y. b" {; f, b
dp.rgdispidNamedArgs = NULL;4 x+ N6 L+ \$ L6 C
dp.cNamedArgs = 0;9 k9 I& z$ ~5 \1 \, m/ ?: a2 X
8 R1 s7 `( q& }2 ^// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
+ J; p' S- K8 W4 v pokeID,
* d4 L6 n0 @% G1 ~0 ~ IID_NULL,. d0 v$ L3 f, Y
LOCALE_SYSTEM_DEFAULT,% K3 x; J+ Z/ d2 r4 s5 g8 ^
DISPATCH_METHOD,
( I7 o9 O8 T: i; Z3 x* k &dp,# k7 O) z4 M6 c7 D+ n9 z
NULL,
7 C3 z: \6 F% H9 ?/ f1 m+ v &ei,
4 l% m8 ]. w: A; A1 Q) h' C4 ]4 d &uiErr);
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SysFreeString(topicStr);4 f& P& u# a0 Y4 @
SysFreeString(itemStr);
2 R2 R- Y7 {" X- m. T, X SysFreeString(valueStr);
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' X: R- e9 n1 w1 C1 W! [# 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???6 R" R* a0 L* M6 Y+ N' w1 q
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????
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2.这是request的程序6 X, z* _6 R8 Z2 m* e" ^0 j% J
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's% O" W% A# N! b2 q
// type flag to indicate the fact that this variant holds a BSTR. Place the5 y) M" E3 l7 H
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 ]+ L i, h4 t+ K- V$ w
VariantInit(&requestVariant[0]);
7 |( W5 R1 Z5 @1 m$ D requestVariant[0].vt = VT_BSTR;8 x, I6 c( [5 _; z# X% ^: w
requestVariant[0].bstrVal = itemStr;
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" l6 M0 A" g3 X2 P' v e0 T topicStr = SysAllocString((WCHAR *) L"system");3 x4 j2 N9 P, o9 I
VariantInit(&requestVariant[1]);
5 ]" P( V O& ?8 M5 @# q requestVariant[1].vt = VT_BSTR;
1 c% r F. `7 Y! g% I+ q9 U6 J requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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3 Y- f; n4 S" y, ? dp2.rgvarg = requestVariant;
2 J( g$ C, t2 F0 x# ?. O& O4 l# o dp2.cArgs = 2;, a. e$ W# j8 n4 T" x
dp2.rgdispidNamedArgs = NULL;
( E5 v# m8 j: J/ J dp2.cNamedArgs = 0;" g8 e/ x( S6 Z0 y. S2 u- M! N
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()& d7 X1 k4 n1 H* R; D( c
: D4 }( E% N9 N5 r, I, H hr = m_pDisp->Invoke(& k/ y! |* M) y+ N. d
requestID,0 v" V8 K' _$ t j
IID_NULL,
% r+ o* ?, h3 u; q9 ]% { LOCALE_SYSTEM_DEFAULT,
( O1 e- z9 P5 Y$ q1 ^- b, b DISPATCH_METHOD,8 Y' S! ]( E; p5 N! w# M
&dp2,$ G j; e: g" g8 G" {( e' \' Z
&var,% }4 [, y- p4 E; A% S' {7 @% P) {
&ei,2 K7 P5 E w0 K" ]- [
&uiErr);
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, I( t, y! }$ g& Y; P" ] h SysFreeString(topicStr);( G0 c4 y4 z0 `6 I# H! m
SysFreeString(itemStr);
' ^% ?* T6 L) \, U3 i请问该程序是获得extend里面的哪个值?0 t+ e/ G. H+ ^$ y Z4 Q
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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