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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:# B* W, F; X+ Q
Name = (WCHAR *) L"Poke";" ]1 R9 P6 U F- v7 ]( |$ ?
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hr = m_pDisp->GetIDsOfNames (# u$ E/ a3 M" d8 I% J0 H
IID_NULL, // reserved7 n5 _, l8 x8 J- Z3 [1 X4 t) D" g. o
&Name, // Array of names to get IDs for0 ]& P! w; c8 O. t# t6 v- T- A6 q' l
1, // # of names in the array
0 h9 ^' L0 g! f7 O, g; n LOCALE_SYSTEM_DEFAULT, // System locale( V T0 l7 c$ w& n6 k9 o' h
&pokeID); // Array of IDs to fill on output
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# J8 N2 ~$ w) ^8 q2 W% Z. z if (hr)5 k3 U. Z* t* B5 A$ d8 I" e. n0 d6 |
{
2 @0 { ]9 l( \- |/ C4 C MessageBox ("Get Poke Unsuccessful");; k" y ~' O; l- A* T( q/ x' ~. P
return;8 u" W& q, \8 d: c9 Q0 J
}
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/**************************传递数据给extend**************************************/: {1 T3 o; d+ k( M9 |+ F4 C% m- b
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");$ B4 Z, h$ x1 k6 O' C& S
VariantInit(&pokeVariant[0]); 8 r' u8 C2 F2 I V. K
pokeVariant[0].vt = VT_BSTR;
- `4 f' [+ J6 _6 q. H% G+ q& m pokeVariant[0].bstrVal = valueStr;- {" u$ x7 d$ b1 d' L& O; J% a
# |" H- H* C% E5 ]7 z! \& r
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 Q% d) L0 v, ]' D3 g7 A' x
VariantInit(&pokeVariant[1]); & F- h4 R3 ]# ^* [7 b
pokeVariant[1].vt = VT_BSTR;
) K" R) b j r5 P% Y0 I0 B5 Z$ M pokeVariant[1].bstrVal = itemStr;
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! D4 t% u# F* M6 Z+ E1 y topicStr = SysAllocString((WCHAR *) L"system");
- v, C- }$ b Z' X VariantInit(&pokeVariant[2]); $ B6 K; H Y" n6 V u: B
pokeVariant[2].vt = VT_BSTR;/ E3 f% I' N3 y/ y9 z
pokeVariant[2].bstrVal = topicStr; g+ J6 k# b: f2 Z- q" O
# H4 I, j! s6 ]' f( q" s// Set the DISPPARAMS structure that holds the variant.0 A5 O% m% S' x5 i
+ L! H4 ^- Z! Z) i$ x" u dp.rgvarg = pokeVariant;/ D( [( H7 g% }1 r5 ~/ s
dp.cArgs = 3;
7 v/ c( f$ t3 } dp.rgdispidNamedArgs = NULL;" }" K8 E Z+ V0 c
dp.cNamedArgs = 0; u( u& p# h6 W* v. F
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// Call IDispatch::Invoke()
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# C5 ` w; A4 O9 G hr = m_pDisp->Invoke(* b( D! [# ^& N
pokeID,
G9 X* ^+ o& |. ] IID_NULL,/ ]' N5 y' {% S1 g" A/ ^5 W. p4 a
LOCALE_SYSTEM_DEFAULT,
8 q& v/ K, o2 h3 a DISPATCH_METHOD,
% U z! r) {: }2 X8 _ &dp,( Q# a% K3 J" s
NULL,
& i' s6 I$ m" t &ei,/ X- ? ~4 j& w6 S) f- g) F
&uiErr);
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SysFreeString(topicStr);
+ d: g0 m8 D5 A5 |5 N7 i SysFreeString(itemStr);
% P0 S: p/ r8 c" O4 w+ u2 f 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???; M: j3 N E( }! j) H
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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4 E- D" k7 W( V' g/ b) L. H. U4 n2.这是request的程序
: `8 F+ I2 M4 R5 l// Request a value from Extend- X; p; ?. @1 a& y
//) d/ _) B' O( \9 a. b
// Initialize the variant that will hold the BSTR. Set the variant's& P' e$ U/ Q# t
// type flag to indicate the fact that this variant holds a BSTR. Place the/ J! d; J7 x6 _ d" A
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 K' p7 Q+ `; G6 ?
VariantInit(&requestVariant[0]);
; M& b% v! p; D9 i0 _ requestVariant[0].vt = VT_BSTR;2 m* h- \; n. d7 E6 B* {. e: `
requestVariant[0].bstrVal = itemStr;
# \" I& p: x/ J) S
5 T: c3 |1 [) s3 D topicStr = SysAllocString((WCHAR *) L"system");
3 x& \1 S9 @* b1 c VariantInit(&requestVariant[1]); 6 Q& C$ N" e& H3 c8 m/ [
requestVariant[1].vt = VT_BSTR;+ \- i. ]. F" v
requestVariant[1].bstrVal = topicStr;% g7 Q5 _* V6 Z& ]
( p* s7 z; B3 J7 N6 ^+ S// Set the DISPPARAMS structure that holds the variant., @, ]- |- n- m" v1 ]
. M0 i# `8 w4 c% u( g7 f5 N dp2.rgvarg = requestVariant;
: r/ \( @' `& F1 f3 o) j+ j; a, w dp2.cArgs = 2;
7 W$ d* ^1 t# c0 d; V3 H dp2.rgdispidNamedArgs = NULL;, W/ ~( W5 V' |+ Z
dp2.cNamedArgs = 0;& u! L0 H& l: M
# d, L: B+ _% w3 B- H, @% [ var.vt = VT_EMPTY;7 u9 Z7 G+ p- [' ?+ \7 N% i% f/ V
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// Call IDispatch::Invoke()9 N3 R6 o: p) f
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hr = m_pDisp->Invoke(3 ]9 I/ E+ @6 q. I/ B
requestID,) x( H t3 m: |. \
IID_NULL,7 Q1 N/ [. g( `; I
LOCALE_SYSTEM_DEFAULT,. L4 q, D3 _7 H) Z7 x
DISPATCH_METHOD,
7 t7 F6 ?2 D. w2 q &dp2,
7 z* j$ d2 Q _ &var,: e2 N, ^3 d7 H3 z& k+ Z& x
&ei,
6 m/ r: b9 G' x1 X; [& f &uiErr);
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SysFreeString(topicStr);
9 B$ @4 b8 c1 U, F) [ |. D SysFreeString(itemStr);
9 W" }. ?* s+ u' o6 y! U+ ~请问该程序是获得extend里面的哪个值?
4 p" {# l3 ?, h' r9 j. g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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