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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 ?/ _; u2 n# eName = (WCHAR *) L"Poke";( ~: ~, Y1 m8 \$ j X$ q0 i3 |
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hr = m_pDisp->GetIDsOfNames (
6 M7 S: Y* l$ T8 E IID_NULL, // reserved
0 L& L a4 A. D+ g &Name, // Array of names to get IDs for
9 ]1 N3 z. r" L" ]: @2 n 1, // # of names in the array0 F2 H. b0 i4 ]6 S, u8 _. q
LOCALE_SYSTEM_DEFAULT, // System locale. o) ~8 b V x
&pokeID); // Array of IDs to fill on output
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if (hr)& } M1 a8 M& C; D @, a
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MessageBox ("Get Poke Unsuccessful");- ]) K" e1 P0 a4 V1 _$ D. T6 v
return;
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2 ?) D v0 W: {/**************************传递数据给extend**************************************/0 u1 I: N& ~3 y+ F' z, M0 q% ?
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
! b3 X: G; H+ W$ m+ B VariantInit(&pokeVariant[0]); . K0 ]$ \4 V! b' v; X
pokeVariant[0].vt = VT_BSTR;! J" b* [ o) S" I* _% W9 M
pokeVariant[0].bstrVal = valueStr;( v; R. j7 `3 E; ~
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" F3 s3 f0 F9 K9 H: t4 Y! g; e6 P$ r
VariantInit(&pokeVariant[1]); 9 W: J6 M6 c$ W4 U, Y
pokeVariant[1].vt = VT_BSTR; M) B0 J' V) n4 Y* O
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");1 i/ d8 ^! L( F* Z* W- v8 p& i$ {5 Z
VariantInit(&pokeVariant[2]); 6 S1 r4 B: w1 e8 O3 }
pokeVariant[2].vt = VT_BSTR;( |0 a& \ Y2 U: _; A9 ]
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ Z( J8 x7 h. F5 r
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dp.rgvarg = pokeVariant; ]1 [. S( V2 a
dp.cArgs = 3;0 r, v7 M* }1 q8 f" n4 ]& v
dp.rgdispidNamedArgs = NULL;0 _ I' c, Q0 c" h& s6 @# p/ y7 r7 x
dp.cNamedArgs = 0;7 s; \7 C3 D8 f$ G) ~( H# [
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// Call IDispatch::Invoke()
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U4 @, Q. S7 _! R# P) i. i hr = m_pDisp->Invoke(6 z& U( E% y0 N- V: @4 {4 [& H
pokeID,. u; H$ z( x6 W3 b& k0 |/ l; N: ~1 K5 U
IID_NULL,
7 o# y6 e' d* j; Q* A1 _# t LOCALE_SYSTEM_DEFAULT,
$ ^! B: J% S( Q+ H DISPATCH_METHOD," }7 `6 q; B: B4 x
&dp,, R4 ~; @/ b$ W" d* K' _
NULL,( `8 W+ y: q- r+ O F5 \
&ei,7 j" i! l# q b J: @
&uiErr);, @* U) o4 [+ l
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SysFreeString(topicStr);; m- R) }7 v: }$ X$ y
SysFreeString(itemStr);) s! A0 C- b0 q# t- D2 P' I
SysFreeString(valueStr);) P1 w1 Y1 _. j3 |3 y/ T/ F$ N& g
6 `! p$ c9 Z" ]; c
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???1 q" a! d7 H$ B. j4 S
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????+ s @, |$ a0 R4 g) E; i; B
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2.这是request的程序
f8 i1 k1 }" N2 l6 g( |// Request a value from Extend
2 Q3 y1 e/ s: V//
2 z) G1 S0 I; @& b1 o8 r// Initialize the variant that will hold the BSTR. Set the variant's' J N( z" @4 E! E. }, |
// type flag to indicate the fact that this variant holds a BSTR. Place the& T4 c( i6 d0 x% \$ N
// BSTR into the variant structure.4 ?$ l& O3 d( I ?! f _
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);9 b; t- I. E {/ I$ p& n
0 l# A) K0 \$ P( k) A2 u5 H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, T- [7 s' P- Q; z VariantInit(&requestVariant[0]);
- g) b/ m, L! S# z% L4 o requestVariant[0].vt = VT_BSTR;
+ O |6 }) k3 P% S requestVariant[0].bstrVal = itemStr;
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7 D$ G. {' x9 { topicStr = SysAllocString((WCHAR *) L"system");
8 u4 a1 D' ^7 h1 `/ U6 L+ M VariantInit(&requestVariant[1]);
8 X, L, e1 I' ]8 {, l1 u4 _ requestVariant[1].vt = VT_BSTR;
# W/ Z7 N$ J1 E. y& D requestVariant[1].bstrVal = topicStr;) d6 P5 d8 m. @: v- |' V0 o
) M* h7 x8 P7 X) ]$ {// Set the DISPPARAMS structure that holds the variant.
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7 e' b3 |+ G5 s dp2.rgvarg = requestVariant;
9 l; `" I3 a, d6 O l5 | dp2.cArgs = 2;
! n& U; z, I" u9 H8 q8 a2 Y dp2.rgdispidNamedArgs = NULL;
' S( S6 G% M' g) A dp2.cNamedArgs = 0;
[4 q6 M/ v5 P9 m& ^/ }! {
3 l& W1 \$ I' w. W- ?* Z4 ]* L var.vt = VT_EMPTY;# {1 |- q( t: R
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// Call IDispatch::Invoke()
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9 c; ?3 X# u7 A# r! q1 d hr = m_pDisp->Invoke(7 ?7 y5 k! H2 V
requestID,
8 n* \ i v5 U2 ` IID_NULL,
' w& c2 n7 B6 g4 t% [ LOCALE_SYSTEM_DEFAULT,
+ x8 V* o/ ?$ f, P* H$ a% u DISPATCH_METHOD,- g$ ]; f( [/ }6 L+ E7 L
&dp2,# J3 y" j( i0 K; m# i+ P" [
&var,' F' A7 ]2 ?. r/ n- _6 @, T
&ei,& q) E _ y7 `# `" R% P6 l
&uiErr); d. C; o9 ~2 I/ H
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SysFreeString(topicStr);
# N4 R$ l# K+ F4 ?8 n- d& q9 V SysFreeString(itemStr);3 Q8 b5 `0 w' O3 g6 B$ J$ d) L
请问该程序是获得extend里面的哪个值?/ e. P0 l0 ~: ?7 Q/ K0 b
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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