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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:
6 c& ~# ^/ C+ x, F/ X! D: NName = (WCHAR *) L"Poke";1 Z5 T- x3 U. v2 s: g9 a
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hr = m_pDisp->GetIDsOfNames ( B, r# p! x0 L; h& D& e. k! P
IID_NULL, // reserved
! G/ K2 C8 @2 Q: p. r &Name, // Array of names to get IDs for& \, L7 W( \/ x1 d
1, // # of names in the array
9 [0 v( D! E3 _. d LOCALE_SYSTEM_DEFAULT, // System locale1 u! U& K) y9 ~$ {
&pokeID); // Array of IDs to fill on output
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if (hr)
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% u% @# H4 b! w% X/ S MessageBox ("Get Poke Unsuccessful");
0 e( X$ b: a' M6 }. ^ return;
' N. i" }# L/ M6 C }) B" q* {. D7 ~ k
* B8 s( g$ x$ B' g5 F2 \- Z$ X4 P/**************************传递数据给extend**************************************/1 j6 G$ Y! E& V4 ~7 Z9 Y* g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
3 V, L( J+ V' l VariantInit(&pokeVariant[0]);
2 t4 }9 r. q; `9 E pokeVariant[0].vt = VT_BSTR;
; b4 h7 I, N$ c* h pokeVariant[0].bstrVal = valueStr;2 N( o9 |' z! x+ f# c
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) j' Q# J$ G4 m- k3 a7 E VariantInit(&pokeVariant[1]); " w, c ~3 }3 c) p$ H8 Z& ?
pokeVariant[1].vt = VT_BSTR;8 c4 X3 @% p8 E: ]# o) w+ j: \
pokeVariant[1].bstrVal = itemStr;/ y, }( B8 ~" u
0 R1 _7 h. {) q" [ topicStr = SysAllocString((WCHAR *) L"system"); S" l$ M+ v+ c; a4 \
VariantInit(&pokeVariant[2]);
{1 q- b9 K. y" K- i+ E: O7 U pokeVariant[2].vt = VT_BSTR;
% n2 g, ]+ O( I- \, R8 a' T pokeVariant[2].bstrVal = topicStr;4 ?% k* n2 V: ]
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
- O" {" G. R+ G& J ^ dp.cArgs = 3;
4 g& {/ e! E. _8 d- y2 \ dp.rgdispidNamedArgs = NULL;
8 V' W* r S- u2 L dp.cNamedArgs = 0;/ L" W6 {: D+ {3 W/ ?9 w9 @
& k; l, y/ E, n m// Call IDispatch::Invoke()
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' K2 o4 N- h$ p. }; h hr = m_pDisp->Invoke(
9 y0 v# W( u0 Y pokeID,
b* k# J1 i3 f0 _1 o( u# f% e IID_NULL,
9 m1 D% Q' S R( l. ^: ` LOCALE_SYSTEM_DEFAULT,
" Z' F" m2 u1 X: V: p DISPATCH_METHOD,# m- b2 C) a3 p( r+ r* c; ], _
&dp,- @2 S; Z" X- |8 v, O
NULL,8 U- a, ^* f/ k/ ?% u
&ei, Y1 o3 z6 I1 H+ d( r
&uiErr);" g* I. F5 i4 M1 d1 Q
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SysFreeString(topicStr);2 K9 [& J& e, y7 j
SysFreeString(itemStr);1 f1 y+ d& B t: e) P6 ~& r- H. E
SysFreeString(valueStr);
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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???
" Q6 _* n* S% X* T1 n# @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 |, ^$ e) O. z8 ]& J4 H0 h
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) L* Z# c. [9 S2.这是request的程序
7 i( L1 t1 }" O7 E+ R8 Q// Request a value from Extend
6 E1 l4 s# v5 ~$ U//
6 \* E) F* h7 N// Initialize the variant that will hold the BSTR. Set the variant's
$ t% z( a9 W: d( ?! y @// type flag to indicate the fact that this variant holds a BSTR. Place the+ q& ?9 ?+ U- |- u' Y5 Z/ J
// BSTR into the variant structure.
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- r, [9 F- z1 h+ o requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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! D' |: K9 a- d9 S' U& N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 z6 A9 g: O8 l3 }3 v! _- B5 ] VariantInit(&requestVariant[0]); : [6 l# S& m7 }3 r) h+ t5 z
requestVariant[0].vt = VT_BSTR;% @- u( u) {* a2 B- g9 y; j- L3 u
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
# M' r1 t1 V+ w# v8 v VariantInit(&requestVariant[1]);
: ]0 J% t% F' k, Y/ u requestVariant[1].vt = VT_BSTR;
7 c0 m4 M! J* h. G1 E8 t4 | requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.( R/ p$ ?: C \
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dp2.rgvarg = requestVariant;' R9 h j/ i7 G6 v7 v. s
dp2.cArgs = 2;1 [- d) ^( Q* U( q
dp2.rgdispidNamedArgs = NULL;, R9 R& m' k5 j' w2 ~
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(); s+ g: m5 b$ x5 }4 L/ U9 e' l
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hr = m_pDisp->Invoke(
6 j* D# L$ R Q, B- m6 ^ requestID,2 ^' ~5 |5 Z2 }" G6 v
IID_NULL,, I5 @5 P, q* z7 O1 z7 s4 W& C, B
LOCALE_SYSTEM_DEFAULT,0 Y- t9 F! u0 ^
DISPATCH_METHOD,) H) p' I+ q# W9 b4 X9 y) E- A
&dp2,
$ k4 b8 R8 |" g &var,
9 N! G% z: \8 t &ei,
: C* }+ j$ `2 F0 l &uiErr);( R# H& ^4 m/ t v' d5 ?6 G
: ?' E) o: O( m7 F) v SysFreeString(topicStr);
7 E$ f0 a4 d: W X; K' ~* d; |* G" M7 ` SysFreeString(itemStr);
1 ^0 M! T, o6 z请问该程序是获得extend里面的哪个值?0 Z3 F& U5 J9 N [! s. v
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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