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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:( W' Q0 h- z4 W7 j6 o' w8 O" i6 q
Name = (WCHAR *) L"Poke";
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9 y5 R6 n7 n5 Q# D" k0 b hr = m_pDisp->GetIDsOfNames (
$ Q2 E& t1 q" Y IID_NULL, // reserved) D% ~ z/ V7 {! j: D8 M5 s0 s/ N
&Name, // Array of names to get IDs for
* a/ J1 V; s- I3 m$ W4 X0 C 1, // # of names in the array9 x) |! L3 F7 D
LOCALE_SYSTEM_DEFAULT, // System locale3 j( Z F: Z' } O; X
&pokeID); // Array of IDs to fill on output7 S X: E% B, q0 [2 {% `
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if (hr)" @- M$ [. ?8 l0 j+ ^! s
{
$ j! ~2 r: U9 k% ]& a# |& p; p MessageBox ("Get Poke Unsuccessful");
) i2 S ~$ \9 T/ N return;
* o' h& u# X/ ` }
, E# ^$ h9 d- T4 W+ f
* _* y8 [3 E3 ^+ [( _/**************************传递数据给extend**************************************/ U6 C. H0 P) s6 c
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
) g) X/ w- c# Y% S VariantInit(&pokeVariant[0]); 3 ]/ u+ Z4 r0 t% Y# }+ X! c
pokeVariant[0].vt = VT_BSTR;9 d; G" h6 q* v
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* j* O; v6 C' p" a0 n. w
VariantInit(&pokeVariant[1]); $ Y v8 R; O' l1 ]: ^) G
pokeVariant[1].vt = VT_BSTR;' y! r) O, ^5 z+ z; D' n" |* j8 D: m
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");- _0 r) L4 b! _3 g$ j! X/ V
VariantInit(&pokeVariant[2]); 5 N: H$ B- s) c0 p3 h& I& L
pokeVariant[2].vt = VT_BSTR;
* F* d; h9 }# [* o pokeVariant[2].bstrVal = topicStr;
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' x6 w4 H: b2 I* z// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;, O0 O( X1 {: f, v
dp.cArgs = 3;
/ }9 H* {2 @# ~8 | dp.rgdispidNamedArgs = NULL;
- @6 @! M! M5 z# J dp.cNamedArgs = 0;. u- Q8 }- x+ ~5 R( T. C: U L+ a
8 @" T O; s- b: L+ M. U// Call IDispatch::Invoke()
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3 E5 _6 x; i# G7 o8 M7 L8 |: U hr = m_pDisp->Invoke(3 S( ]9 K# _9 K& q" l
pokeID,
9 Q; j7 e+ `% H: Z& Q IID_NULL,
% v; e$ P) m/ E LOCALE_SYSTEM_DEFAULT,' S }9 j% G j ]. R
DISPATCH_METHOD,' t& ?' X6 L, } Y" V! b
&dp,9 r% N9 m+ p5 L( o: Y
NULL,% I: ~- O; G% F% V' u& z4 y
&ei,
7 c C2 P* y8 |' m& k: @2 X &uiErr);
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0 C) ~/ U2 U0 p: B SysFreeString(topicStr);8 L% i" U* h7 F9 W+ Q" w
SysFreeString(itemStr);
, h% p6 W/ f# j9 W1 o1 p4 L SysFreeString(valueStr);8 d% s8 n0 }$ `
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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???
% I7 q; `* N, N! x1 K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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% c/ \6 W+ r- U9 m
2.这是request的程序, c9 e5 t: k! B# G3 I
// Request a value from Extend; y5 j8 U1 B: R
//
" \2 u% Z6 ^6 J! \6 C0 I: G2 d// Initialize the variant that will hold the BSTR. Set the variant's
$ T p7 j9 A. D// type flag to indicate the fact that this variant holds a BSTR. Place the2 G$ x1 w" b% W/ r
// BSTR into the variant structure.5 w8 P) b: l6 @ z0 x4 i
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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- _4 Q( v3 H* M( j( ^. z8 r' q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 U( x$ g* x8 C' e& L9 M5 C
VariantInit(&requestVariant[0]); ) E# S& m$ U5 G. q/ L
requestVariant[0].vt = VT_BSTR;
! f- D" P+ g8 R) s E; Y+ X requestVariant[0].bstrVal = itemStr;- _7 ]9 e; X7 Q, y& @
. F7 J; G6 ]) t# {, X2 K7 Y1 E topicStr = SysAllocString((WCHAR *) L"system");
5 C. P9 T% |8 E VariantInit(&requestVariant[1]); + M4 q& v4 a5 F
requestVariant[1].vt = VT_BSTR;
. z! e9 K( M+ ?! s' b! |7 f5 Y( p requestVariant[1].bstrVal = topicStr;
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" Q% I2 R* h. S- n3 I// Set the DISPPARAMS structure that holds the variant.$ q! ]: g, _$ K% q r. w
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dp2.rgvarg = requestVariant;
% X* }3 M1 { k+ O! d; M$ `% h dp2.cArgs = 2;2 E4 J# a* l$ {5 ~1 ^
dp2.rgdispidNamedArgs = NULL;
$ u0 l: }2 A, S1 {# A dp2.cNamedArgs = 0;% Y% j( P' h+ A" S% i* m$ i+ ^
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var.vt = VT_EMPTY;" i: V6 X( G( M' t: w( P
5 s# n9 p0 M* x1 K* x0 C// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
# s8 \- l- L( d9 b7 C requestID,
* r; m2 p& `( i O+ ^6 C IID_NULL,5 E! ?6 C$ d# z/ n# U
LOCALE_SYSTEM_DEFAULT," n& d4 Z/ Z4 R2 d) [/ i ~& C
DISPATCH_METHOD,
) ~0 S% e+ V( \& C5 r7 C &dp2,
- o& E2 K+ A a+ j/ t &var,& N6 D, b! h* E3 x" \7 Q
&ei,
& G2 i3 z/ ]' e# n% E &uiErr);$ f' h6 X& ^! W
1 ~& r: Z0 U* L$ g1 Q SysFreeString(topicStr);, o/ L* s* Q, Q: V
SysFreeString(itemStr);
4 v+ B# r! |( ^$ q" Z请问该程序是获得extend里面的哪个值?6 V# T8 P4 X" v/ j& y
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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