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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:
' Z- u1 B$ S U& \+ ZName = (WCHAR *) L"Poke";
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( H8 k( F. ]0 Z0 O: D/ h hr = m_pDisp->GetIDsOfNames (* x: f1 \9 C- @8 B0 s/ r2 J* e
IID_NULL, // reserved6 {' p6 u8 t( n% B5 T
&Name, // Array of names to get IDs for
; `6 m9 x& e- E 1, // # of names in the array o2 `- B+ d% X9 {* P0 m$ k
LOCALE_SYSTEM_DEFAULT, // System locale9 z2 ~# b0 X" k/ y8 H: s
&pokeID); // Array of IDs to fill on output$ ~. K T" T& T8 n5 [
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
, @! Z7 q i0 s+ Y5 ^ return;; A. S) u. @- P% d( U1 z
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/**************************传递数据给extend**************************************/
1 r* m* ]; t( R" T1 I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, t- @, H5 B2 f& c; E7 g+ W9 U* x
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valueStr = SysAllocString((WCHAR *) L"1232");3 W/ [8 O$ B! v0 Y5 [
VariantInit(&pokeVariant[0]);
7 d' ~6 j/ G8 H9 [1 ^9 ~ pokeVariant[0].vt = VT_BSTR;
! b r7 q0 H, \+ I$ Y3 u pokeVariant[0].bstrVal = valueStr;5 @7 f* u8 b% B5 ^. g9 f
2 s& I( `+ ]" ~7 C! U. P5 X5 W- P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 N3 p8 y' \9 ?: J$ D
VariantInit(&pokeVariant[1]); 1 A$ N m' V0 U! P7 R7 D
pokeVariant[1].vt = VT_BSTR;5 l/ _2 }. q9 y
pokeVariant[1].bstrVal = itemStr;; d+ L9 S0 x& V% @% W `3 ]5 @, X
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topicStr = SysAllocString((WCHAR *) L"system");
! y: i" ~: n9 ]9 t$ @5 i VariantInit(&pokeVariant[2]);
4 j0 F% D* q. V' E3 |0 k pokeVariant[2].vt = VT_BSTR;
) K9 _2 M" u" _- ^: H: t pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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' B0 _" Z* ~' Q dp.rgvarg = pokeVariant;. w0 D" C) }3 m0 s2 c* s+ k$ R
dp.cArgs = 3;
* r: E4 G+ Z' [ dp.rgdispidNamedArgs = NULL;
7 p: L* n. Q; @. T* p8 x dp.cNamedArgs = 0;
, R" B5 p6 o% a; W {
" u6 z O) W: s3 O// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
' c+ X. ^; t) O7 \, d. d# @ pokeID,
# P0 {5 r+ Z7 b1 z% D( p IID_NULL,& S- H7 D+ o, g
LOCALE_SYSTEM_DEFAULT,
9 J5 Q4 Q, u" ?, [ DISPATCH_METHOD,
% L3 `- \- t5 k0 Y1 c- H# q+ O! f &dp," Q1 c1 L4 J) u5 h3 E# \3 C
NULL,
. j% [ l! Y3 U# C" o9 k( v &ei,
/ r8 A. v+ F$ O &uiErr);
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SysFreeString(topicStr);' v" `+ K8 \- v4 ^1 L
SysFreeString(itemStr);
! ^! s! `/ Z: {0 _ SysFreeString(valueStr);5 F9 g( r; e8 Q
$ f( q; s: M3 e! ?9 X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???- e( W; H O/ @" k% a$ P% [& d; x
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
! H7 K. Y# m2 `% z6 l6 A// Request a value from Extend
/ u& q3 X! |5 X8 I7 P/ z//
3 _& Q- L& L3 V+ |2 E7 O# s// Initialize the variant that will hold the BSTR. Set the variant's
, G/ @% p' x0 [. W// type flag to indicate the fact that this variant holds a BSTR. Place the
" r% G4 p# @* l- `* [/ x// BSTR into the variant structure.
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- K# U" [0 A5 p9 X3 v requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 D; ]2 \# {6 H# E0 I! B D/ `
VariantInit(&requestVariant[0]); y5 i0 V$ D4 o9 s8 m8 W
requestVariant[0].vt = VT_BSTR;
/ [4 p' B# K$ [' A/ B$ Z; b9 V requestVariant[0].bstrVal = itemStr;
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4 X% ]& R' O, \ topicStr = SysAllocString((WCHAR *) L"system");
# ]! e; }2 M; k- t( R9 ? VariantInit(&requestVariant[1]); 1 s- n7 {8 l" n! h. M. T
requestVariant[1].vt = VT_BSTR;9 i' f1 }2 z5 r0 k* H; ^5 ?4 g, Z- ^
requestVariant[1].bstrVal = topicStr;2 @# w/ E! P# @& e# A4 h
0 I& P; r3 V% ~/ v// Set the DISPPARAMS structure that holds the variant.. |6 P2 z' t* q/ B: `6 g5 _# K
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dp2.rgvarg = requestVariant;/ \# h8 O* H& r$ |( k$ w' ^
dp2.cArgs = 2;$ @" o1 J$ D7 ?
dp2.rgdispidNamedArgs = NULL;( J2 m m9 I! g7 u
dp2.cNamedArgs = 0;% A z" h& u/ h6 [, r, w
& `( K% _' C% L* v% D, c var.vt = VT_EMPTY;/ w9 K, m; ?1 T: F4 j
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(& P2 m Y% F2 }& ~
requestID,
; S7 z/ w( G9 `. _' q- Y/ Y IID_NULL,* H% A& l. \) I; ^* c
LOCALE_SYSTEM_DEFAULT,& q: |" u4 i9 c" E/ e8 ~
DISPATCH_METHOD,
& C! D" N( e8 h. @ &dp2,1 n6 y9 m/ e. P% N+ ^, K
&var,
3 X% c, e/ @* J0 {: Z+ i &ei,
& z# u, e5 ]/ T8 P7 G2 `7 r1 \: J7 B &uiErr);
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SysFreeString(topicStr);) m" b- z3 h1 d: ?2 r
SysFreeString(itemStr);% }5 G0 e5 m" K1 A3 X: ?
请问该程序是获得extend里面的哪个值?. S6 J3 y9 S& 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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