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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:
; L6 l5 R, a8 J3 PName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (( v" ~, r* Q# D2 z) A8 A u1 `# H( X
IID_NULL, // reserved% \( |( y- R0 }1 h1 {
&Name, // Array of names to get IDs for0 ~; u3 c- t) q. h
1, // # of names in the array
5 y* |4 ?6 E+ k- I9 p* Q& v LOCALE_SYSTEM_DEFAULT, // System locale
2 S# f5 b) J. c' h. M" z &pokeID); // Array of IDs to fill on output; H7 w! {" X: _) i Z; t1 ]
7 o) O: J+ D3 b7 g if (hr)
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MessageBox ("Get Poke Unsuccessful");
# J% ]. B& n& t5 i1 G, O return;
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& B- {9 S; [# D8 [$ A6 \% C/**************************传递数据给extend**************************************/
* g$ N/ ^) m8 M5 V pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 P; Y/ R. \* }2 R# Y- z" y J
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valueStr = SysAllocString((WCHAR *) L"1232"); A% I5 N6 F z3 ~# @
VariantInit(&pokeVariant[0]); 9 e }: v% V$ L8 X
pokeVariant[0].vt = VT_BSTR;9 A+ X% N* I! w, i. R: L' X5 S
pokeVariant[0].bstrVal = valueStr;
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6 V+ P" A& c( g3 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 ^7 u( b/ S4 l" \4 ~4 t( R: R4 g2 { VariantInit(&pokeVariant[1]); " f( L; Z" I F M! C1 g1 r
pokeVariant[1].vt = VT_BSTR;1 i3 U$ R6 L/ b
pokeVariant[1].bstrVal = itemStr;
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v9 S q5 e z) T9 V+ T8 I topicStr = SysAllocString((WCHAR *) L"system");$ }/ V N, s4 z' l* w! V
VariantInit(&pokeVariant[2]); * G1 q6 |0 Q9 F0 e' C
pokeVariant[2].vt = VT_BSTR;
! `% R: u3 d4 e6 P pokeVariant[2].bstrVal = topicStr;+ t2 p$ j. H3 g5 d0 K/ P" \
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;/ r% ^0 }) m/ `
dp.cArgs = 3;5 m; V* w0 ?: s1 l2 {" y
dp.rgdispidNamedArgs = NULL;
5 F3 |. m) a9 A t" k dp.cNamedArgs = 0;, o' J) U$ W# I; d% [1 ~
; G' X- s+ U) J* [// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
2 j5 j ~. D& A% L+ _ pokeID,+ H; L/ I+ u; b; U S/ l4 R
IID_NULL,4 E" E2 k- I' M: ^! \
LOCALE_SYSTEM_DEFAULT,
$ W. G1 _% g5 f- Z' @* q DISPATCH_METHOD, I+ E/ `8 N: e6 x/ R( D4 f
&dp,
5 u8 E( W1 o4 R! l, D NULL,
9 I! Q% c% k2 G1 p6 h& f &ei,
( ^ X& ~# A0 U &uiErr);0 a# X7 C* B6 |0 r c% J' ?
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SysFreeString(topicStr);
9 C" Y+ ]( `. A+ V SysFreeString(itemStr);
$ @, A3 C2 J2 _1 j5 {2 ]. R9 F. ] SysFreeString(valueStr);6 ^! O1 q8 L# D4 H
1 }' ~: N7 f+ x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???9 @0 i, [5 `7 P8 ?; T
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
" F6 s; b6 {; L3 j// Request a value from Extend: N# H+ H& c9 c/ l4 D
//& I' N) N ^5 K8 z: {
// Initialize the variant that will hold the BSTR. Set the variant's) S) x8 i6 F5 e/ v
// type flag to indicate the fact that this variant holds a BSTR. Place the7 k& l" @. `$ v# r& Y) @
// BSTR into the variant structure.$ Y# z1 v8 J0 v0 i, [1 Z. ]
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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+ ^3 y( n6 x8 {* e2 J) z0 d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 a6 ~$ N5 s6 s0 y. q6 O2 q VariantInit(&requestVariant[0]);
; L) X2 X. Y& L requestVariant[0].vt = VT_BSTR;# J3 J% h% ?) Y7 P# Y8 F5 s" K
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
( I2 S1 W0 S w VariantInit(&requestVariant[1]); ) G& z0 y3 m p6 O2 X
requestVariant[1].vt = VT_BSTR;
/ @5 O* Y! h8 K requestVariant[1].bstrVal = topicStr;% G) B+ G8 [! K; Z2 g% v6 @/ `
( t; O7 P5 k& f! B// Set the DISPPARAMS structure that holds the variant.8 }& t$ F$ {7 u6 M3 j
7 e) r) e$ p, j# F dp2.rgvarg = requestVariant;
. z+ h4 M7 P8 i. y dp2.cArgs = 2;$ j5 s5 Y. \( Q4 {6 m3 R, H
dp2.rgdispidNamedArgs = NULL;- k' h" u) Y j- e8 E/ [
dp2.cNamedArgs = 0;+ F; \( f. Z, l% E
/ U. J. ~ F5 k6 c var.vt = VT_EMPTY;, x0 o7 a* _* N$ ^; \$ H
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
_- O6 O& R4 d! D requestID,
$ M8 D: q7 U, ^2 s& A$ q IID_NULL,
! q; C ^) w) j% {$ j6 S8 X; c LOCALE_SYSTEM_DEFAULT,. d8 U8 B( n I" \3 t8 ^* q
DISPATCH_METHOD,
8 t' a, H6 I( T" X4 w7 {- Q &dp2,
0 M* P# z* Y" r3 D &var,
7 M$ R) |" m/ \% B &ei,
- h+ P4 a3 @' U& R( N2 r8 ~8 L, M &uiErr);3 k! f: R# P, J. M
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SysFreeString(topicStr);- h, ?* ^( ^% V" D2 j
SysFreeString(itemStr);3 d1 }. q8 i4 ] Y5 Z3 v
请问该程序是获得extend里面的哪个值?
+ k" w' S- o7 [+ e8 Z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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