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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:, e- P& d. a$ D% [
Name = (WCHAR *) L"Poke";
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& }# T% b+ {7 q6 u( ~( L hr = m_pDisp->GetIDsOfNames (
- x/ c* ~/ v' |' y0 j: Y IID_NULL, // reserved' A) o: `. ?; [, K; l; y
&Name, // Array of names to get IDs for4 l: Y8 S: b: V# A
1, // # of names in the array
" y" S0 ?: \6 P3 H* j7 N3 w: `/ G LOCALE_SYSTEM_DEFAULT, // System locale5 C3 c' z# R! a ^/ x, x# u
&pokeID); // Array of IDs to fill on output6 h) W( k" }- @9 c3 r; f
- l- o) G+ L) M7 b
if (hr)
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MessageBox ("Get Poke Unsuccessful");
, Q( E4 g" d, S( l% t" B return;
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0 q1 s2 L6 p# W' v& w/**************************传递数据给extend**************************************/* M* x/ t, k+ P' H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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1 g# E) q/ b3 I! ~* g valueStr = SysAllocString((WCHAR *) L"1232");2 Z. K+ y% a) B7 |( ~3 e: g
VariantInit(&pokeVariant[0]); 0 A6 s$ Q4 i8 m6 j! l
pokeVariant[0].vt = VT_BSTR;* n: [, l# a5 o' d1 L, Z% Q# T7 o
pokeVariant[0].bstrVal = valueStr;0 N* Z9 u; D2 o! A. X1 w. z# F& O7 B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: f4 D- w( i7 @4 l6 a- x3 W
VariantInit(&pokeVariant[1]); ! c, W, U c" g5 G
pokeVariant[1].vt = VT_BSTR;
+ G! Z7 l2 W7 Y$ _1 b pokeVariant[1].bstrVal = itemStr;7 A: H- o! u& j# r* N# k! f
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topicStr = SysAllocString((WCHAR *) L"system");
5 J4 T5 B, z) D VariantInit(&pokeVariant[2]);
. J. T0 X6 I4 j" P+ e pokeVariant[2].vt = VT_BSTR;
( q0 w& P- W B8 J! ~ b pokeVariant[2].bstrVal = topicStr;7 Y" ]5 I! C5 k4 l1 g. g) H& a0 H
9 [4 Y3 ?* C7 o7 I6 i// Set the DISPPARAMS structure that holds the variant.6 c' X6 h+ Q r- n
+ b6 f' D9 }& V: j
dp.rgvarg = pokeVariant;
( Q i9 }, F* }' E4 ^ V dp.cArgs = 3;
m) o% T( S" q) n1 Z! ]2 i H dp.rgdispidNamedArgs = NULL;
% N3 H6 p/ V# K. w0 v% l dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke($ b5 ~- _4 r0 @8 P9 a$ }6 _% E6 Q
pokeID,
/ u+ c) o% L/ m6 b& Y/ P IID_NULL,+ V. d: d0 Z b
LOCALE_SYSTEM_DEFAULT,
9 G( R3 r7 u7 i" P q1 v) \/ i DISPATCH_METHOD,2 U/ i7 X7 `5 \8 [
&dp,9 r1 Q J- b: f3 `$ Q
NULL,( |$ z( p2 }. t
&ei,
F' V, _; g$ E+ {% {; ^ &uiErr);, L& \. }# v _
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SysFreeString(topicStr);
: c; G- H" ^6 t6 \ SysFreeString(itemStr);
& B% [8 Y; n* J4 p1 p SysFreeString(valueStr);
; E) c. d4 s+ K4 w( l5 K0 D0 l% r) Q. d$ P- {$ C& K* [$ 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???& L# @- F" ?! M
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????, }2 c* Q% j E9 A
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2 ]+ c; V) C; H+ x" s9 ~2.这是request的程序
. f& S0 c; }$ b7 A7 o// Request a value from Extend# q! d6 g7 n: ~! G9 B5 o
//
' h6 [8 o- Q4 J- \9 v// Initialize the variant that will hold the BSTR. Set the variant's
3 ]5 |1 E5 G; V// type flag to indicate the fact that this variant holds a BSTR. Place the2 z2 y+ E$ V; a7 K% k
// BSTR into the variant structure. h/ g& D% b7 X$ x
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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% T5 v. S6 Z5 w% M$ ?5 t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 X6 N y' \( l6 U; K* }
VariantInit(&requestVariant[0]);
& _2 `2 v. j' U/ j0 H requestVariant[0].vt = VT_BSTR;* F+ O" ~! |" `1 G. X
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
5 c4 K% \6 I/ ?4 g( U8 \ VariantInit(&requestVariant[1]);
1 @ O5 F. v& n, a# D+ W requestVariant[1].vt = VT_BSTR;7 P; e. u( x7 g) w
requestVariant[1].bstrVal = topicStr;6 p& {1 H3 S* u+ o! J, r- V$ C% c+ P
& g5 V: j+ Y3 \- a// Set the DISPPARAMS structure that holds the variant.: d+ \: n- o. `# Y3 A% a
0 y: ^3 m1 k5 q+ e7 E' t dp2.rgvarg = requestVariant;: S- ~. f+ b* B" b) K$ h
dp2.cArgs = 2;
, I$ z/ W# } s. H2 M dp2.rgdispidNamedArgs = NULL;2 B; a. a; t* O6 P. E1 w4 @
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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0 F. T9 d6 l- |& I/ T6 t+ w% m// Call IDispatch::Invoke()" a p' y( Q# t7 o) F' N3 A8 F* G
7 E% y! h4 y$ Z3 o0 i* J" r0 ] hr = m_pDisp->Invoke(
; Y+ s% g2 m3 a6 P4 G6 h requestID,4 ` G8 m% D! X' A) u5 E6 y
IID_NULL,
* X1 q; G7 [5 [8 i" @ LOCALE_SYSTEM_DEFAULT,) Q6 C6 U/ y4 D8 S+ x$ ]
DISPATCH_METHOD,
4 F% d6 `6 Z: Z. ` &dp2,& q: P3 B" q% `' C2 F; B0 @. B
&var,
- y7 C) E& C! s+ G: C6 A* P5 Q &ei,
/ t; S: `- B( v9 a+ y5 K8 g% t &uiErr);" R" v7 Z3 v5 c4 | z0 M$ u
# _6 `/ N% r6 B% E3 h SysFreeString(topicStr);* J, j. W) ]# F9 [" y6 O
SysFreeString(itemStr);3 t% ^1 S* H! P+ X8 l8 O
请问该程序是获得extend里面的哪个值?
: w- j+ W! C; g- ]2 `) 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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