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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:1 J3 q( q9 B0 H% d/ |4 F
Name = (WCHAR *) L"Poke";4 a4 k: }* {7 n# c2 x
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hr = m_pDisp->GetIDsOfNames (
5 Y }! y& a( Q: o) Y IID_NULL, // reserved
. t! \$ M' a1 W, f% e5 L# e &Name, // Array of names to get IDs for2 w. E' `; W8 z. F* }! S
1, // # of names in the array! m8 L4 {0 a: @$ f; d+ ^
LOCALE_SYSTEM_DEFAULT, // System locale
( m! o( H7 A4 L &pokeID); // Array of IDs to fill on output( m$ Y5 g6 E9 O5 d# Q
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
1 r7 x! D: h. X' \' l/ c) K return;
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e4 A) A2 X4 `# x) C/**************************传递数据给extend**************************************/
l6 t7 |6 _$ a pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 f7 t' t4 h2 P9 L( _
0 _1 |( x9 ^0 B6 \ valueStr = SysAllocString((WCHAR *) L"1232");+ i7 d6 P3 H# I4 p
VariantInit(&pokeVariant[0]); 7 T0 a' {8 j* ?6 x
pokeVariant[0].vt = VT_BSTR;
5 e1 m- ^$ {! f7 b pokeVariant[0].bstrVal = valueStr;8 z4 @3 G( V6 y3 c$ [- L
- F }6 x3 q8 ]7 n5 V% h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& n, c: \' ~$ g2 p/ H+ {, f4 u VariantInit(&pokeVariant[1]); 3 [) p# j' Q. f; Q, f* _) g
pokeVariant[1].vt = VT_BSTR;1 M' y% V: A6 l% y7 V1 K
pokeVariant[1].bstrVal = itemStr;4 e3 ?6 }9 N0 X
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topicStr = SysAllocString((WCHAR *) L"system");
4 m# h. c* H M VariantInit(&pokeVariant[2]); 5 l5 }' \) U+ C9 F
pokeVariant[2].vt = VT_BSTR;6 t/ d& G9 {2 h! \2 T8 l' w
pokeVariant[2].bstrVal = topicStr;% Q6 u7 I4 Q3 Q
0 P+ W2 X0 ]) U: {1 z! [0 _// Set the DISPPARAMS structure that holds the variant.# ?1 q6 U+ R: ?& L8 w4 {
8 w- z# E. q! v/ w2 c1 E dp.rgvarg = pokeVariant;: }4 L6 i6 V6 y( {& E" u6 x' l* Z
dp.cArgs = 3;
$ B; U5 a& M& T dp.rgdispidNamedArgs = NULL;, c% I+ M9 m: w) q
dp.cNamedArgs = 0;, C' p/ f% w( v/ U$ @
+ [; x& y/ o# ^4 S: T+ l// Call IDispatch::Invoke()' W5 B" t/ _% H7 p+ X
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hr = m_pDisp->Invoke(9 y5 Y1 d! ]1 Y. d& n
pokeID, F& Y: g4 N7 K/ Z* {7 W% J ]
IID_NULL,
9 u' V3 y& [4 p! H6 `# c) G2 J LOCALE_SYSTEM_DEFAULT,
9 a+ s9 M% j1 H5 k: | DISPATCH_METHOD,
! B0 V! J+ }0 ?: N! t9 T &dp,
) F* p9 w$ `2 V NULL,
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&uiErr);, V3 d. W1 U7 i# N0 z' M" z% K: m
& `1 l* O* x7 H6 q' t SysFreeString(topicStr);
+ j; K1 N/ X0 r# d* c SysFreeString(itemStr);6 e7 B% Z5 c. C
SysFreeString(valueStr);
9 R4 m+ c0 {/ |* L; M U
5 m/ K$ X" E4 ~% [4 U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???
7 k5 D1 S9 g& A% J+ l7 P4 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????
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2 W: N$ r( c! i2.这是request的程序
. I$ j! H2 T7 o, \9 x, l// Request a value from Extend
- B% u; ?8 N# [, \( D//
2 ]2 j. n# F' k0 {2 f8 ?// Initialize the variant that will hold the BSTR. Set the variant's
7 a9 Z" k7 ^- }. {4 u2 R// type flag to indicate the fact that this variant holds a BSTR. Place the" M6 Y2 Q& Q3 @. G
// BSTR into the variant structure.
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; S9 O8 p4 s, P5 j requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! B+ |% \% q% O VariantInit(&requestVariant[0]);
; g- a2 P% t, z v# B. k2 F3 J requestVariant[0].vt = VT_BSTR;
, u5 W, _1 D5 a; z. Z% f requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
8 J8 k! t, \+ _& }* K5 I VariantInit(&requestVariant[1]);
o `! \6 z0 ]. X requestVariant[1].vt = VT_BSTR;7 N; S/ q. L' {/ y+ u( N5 R! C
requestVariant[1].bstrVal = topicStr; W+ p. j. f2 p. P' p
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// Set the DISPPARAMS structure that holds the variant.
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2 @% [- Y) J( T m8 Z k9 T dp2.rgvarg = requestVariant;
1 s2 z/ z _ B4 }; _ dp2.cArgs = 2;! {7 K k1 s0 T, d0 d; }
dp2.rgdispidNamedArgs = NULL;+ ?! ]9 k: [$ e4 F
dp2.cNamedArgs = 0;
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. k$ G' M b7 B; o) Z var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
2 k1 }8 W6 d( f0 B: |/ v& S9 n requestID,
6 X% \. r u7 h* V6 L IID_NULL,
8 m0 z& O$ q- C3 ~6 w/ t/ C LOCALE_SYSTEM_DEFAULT,
- `1 O& n! o4 N DISPATCH_METHOD,
- @+ B8 I8 ~* M+ a- j9 v7 \0 L &dp2,
+ {6 w$ O, Q( P" f, i0 {7 d &var,0 u4 l6 o, K& |
&ei,4 F% z% m" X p& L2 J' }
&uiErr); T. R; T! a$ U+ N/ \
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SysFreeString(topicStr);
' L4 P% Y$ S: P& y+ }9 o SysFreeString(itemStr);0 X0 A4 Y x8 T* D- N7 i1 h" [( {
请问该程序是获得extend里面的哪个值?
$ `6 ]( c: n7 F) y) {2 X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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