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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:% M2 [9 F" z6 S& {; x
Name = (WCHAR *) L"Poke";) M/ W5 C' @" I: c- Y# M2 `
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hr = m_pDisp->GetIDsOfNames (5 j) `0 Z: L+ M: o0 x$ o" M% b# q
IID_NULL, // reserved
: A5 X" ~, F, M8 y5 h, c; Y &Name, // Array of names to get IDs for, @5 F9 x+ s6 W/ k2 G0 u
1, // # of names in the array' ^0 \% j# j- G3 ?. U7 E# i( }$ Q- T
LOCALE_SYSTEM_DEFAULT, // System locale }) ?7 H5 U8 t4 u$ [$ ^/ @0 \2 P
&pokeID); // Array of IDs to fill on output: X( K7 s" {9 N
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if (hr)- O% S. [- s2 Q3 `1 `
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MessageBox ("Get Poke Unsuccessful");7 E7 @6 A# {7 P4 J
return;
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/**************************传递数据给extend**************************************/! H: H6 \' M! o! }$ Q( T/ k* B0 \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" l* ?* H. S5 T: d& }
X0 ?; s& R) B* j; x. k0 C- U valueStr = SysAllocString((WCHAR *) L"1232");9 U( z) @8 z2 m' M5 ^7 q/ m1 G
VariantInit(&pokeVariant[0]); 2 s! w9 c" ?& ~( v( t% s
pokeVariant[0].vt = VT_BSTR;4 e$ `( x% j ]; o- A
pokeVariant[0].bstrVal = valueStr;8 ]3 x8 ~ x0 v9 |
7 Z+ {. m5 u, t3 s$ E" z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 u" Q, P8 [. ~
VariantInit(&pokeVariant[1]);
X$ Y q$ O' v4 S pokeVariant[1].vt = VT_BSTR;6 m( H1 U0 H4 v& \ h7 K
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- O) d: E" R0 j6 o VariantInit(&pokeVariant[2]); D& i1 x h1 l1 d% q r
pokeVariant[2].vt = VT_BSTR;6 r0 }# Q1 i) A& \* r
pokeVariant[2].bstrVal = topicStr;: M9 ]+ s6 c" m
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// Set the DISPPARAMS structure that holds the variant.
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/ e9 g8 ]6 M+ s% N/ x: j$ A. G dp.rgvarg = pokeVariant;
$ [3 }5 W. j6 o* S* _7 Z3 W dp.cArgs = 3;. j9 c" A' k3 p8 _# n, L
dp.rgdispidNamedArgs = NULL;, C) u, _' R- Z! t1 n5 Y$ l9 f) ]
dp.cNamedArgs = 0;
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9 G6 C* g8 v/ Q2 U2 f' |5 {// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(" h" m7 X8 D: }& E. H# w; S/ V4 }0 j' s- p
pokeID,
$ d2 G W. V% Q- M IID_NULL,
* O6 Q. e# e7 p6 ^6 Z LOCALE_SYSTEM_DEFAULT,! D( Z: A$ E/ b* j- O M
DISPATCH_METHOD,
! R. z# V3 l' y) F# G* N &dp,
7 g" U; `$ x# A8 Z, p NULL,; p/ F5 N# M! U& D" w6 Z3 M. N; `
&ei,
' l4 B+ z8 |+ q &uiErr);7 g0 f7 r8 w' y% p; ~
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SysFreeString(topicStr);
, T9 }$ r2 v: V6 A SysFreeString(itemStr);- q2 a" x1 ~3 Q( t( A
SysFreeString(valueStr);/ E9 y3 `! C7 [0 R, v" |
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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???* G3 r) J# @: q5 N# e% G6 |/ ^9 o
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
& h3 L( K: ?3 y" C+ m// Request a value from Extend
/ Q: A2 @9 s, ? W* b+ X4 |//9 ] M. A+ u7 s
// Initialize the variant that will hold the BSTR. Set the variant's9 c" D; i7 }# d& G) }
// type flag to indicate the fact that this variant holds a BSTR. Place the
+ I0 Y) ]" A& J// BSTR into the variant structure.
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' q+ D9 B. O* d$ j8 q* A requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 N2 @9 b; z( B% [5 h& E- @8 P/ L VariantInit(&requestVariant[0]);
+ Y5 Y0 I2 S" S: f9 d, C requestVariant[0].vt = VT_BSTR;
! t7 D4 V3 q' H! Q- x/ i4 @$ y requestVariant[0].bstrVal = itemStr;9 |( E8 X$ {: o q
' F* s& I0 d2 X& x z topicStr = SysAllocString((WCHAR *) L"system");
3 \6 z. m0 b# M# B VariantInit(&requestVariant[1]);
6 Q0 o( H% Z* q$ D requestVariant[1].vt = VT_BSTR;
7 l) n" b7 b5 v requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ F: B" ?& _8 S
/ P! W0 u; k' p* S* C dp2.rgvarg = requestVariant;
$ V5 u5 K" ^: K! t- ` dp2.cArgs = 2;3 y3 @0 C8 _* V0 b# L
dp2.rgdispidNamedArgs = NULL;
# g) [+ ` f* _: I1 x( d dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;1 {# F, x- M; }7 w0 S$ y
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(0 l; ?! w& v7 t/ i. t( y
requestID,
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LOCALE_SYSTEM_DEFAULT,3 I8 Y3 ~ V6 `& U# a: F4 O
DISPATCH_METHOD,/ q# [6 E& s/ g) A4 _1 [* E2 u+ y% l
&dp2,/ x) M) H) Y( p& s1 D8 x* i
&var,
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$ I- t4 L1 l) e: ~8 T &uiErr);% s k" T/ M: @* V3 h
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SysFreeString(topicStr);3 l# q( x" W$ T4 z$ g- ?& M
SysFreeString(itemStr);
' S) j: ]0 Q4 z. O8 F1 l/ b$ B( G6 E请问该程序是获得extend里面的哪个值?
: S' G' w. R1 f9 f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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