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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: d$ `* V- B" ?' e. @! x5 p
Name = (WCHAR *) L"Poke";
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2 F4 ~' J/ u+ F9 v0 Q hr = m_pDisp->GetIDsOfNames (0 O& D* L* D" G y
IID_NULL, // reserved
$ N6 _1 h) f3 S/ {5 m, ] &Name, // Array of names to get IDs for; C% V$ T4 y- _* a+ z) M
1, // # of names in the array
" D4 [8 }) O/ A! _$ {$ y LOCALE_SYSTEM_DEFAULT, // System locale
) o! U; C" j8 Y( L/ X &pokeID); // Array of IDs to fill on output
+ X$ v- b1 D4 [' o4 Z1 M % D1 [' ~) ]% S8 E7 y8 V
if (hr)
: O/ r2 y$ c* g# z# S* T {
/ w& S; z; ?( c ] MessageBox ("Get Poke Unsuccessful");" e6 W9 d3 h7 D4 L) x8 K, C
return;
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/**************************传递数据给extend**************************************/
5 a; ^" w; S! S# j9 h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
: U2 G Z) W1 N8 L* F6 {
2 t% i7 W" B5 e valueStr = SysAllocString((WCHAR *) L"1232");% `7 |% u5 f/ k [$ i
VariantInit(&pokeVariant[0]);
) g( D: b# ]# `7 g/ l pokeVariant[0].vt = VT_BSTR;* u* g/ o# b$ F% K7 D* H
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; K: \, [' U! ~/ F5 g4 r9 F. Z
VariantInit(&pokeVariant[1]); * z; w( A( C i q8 i
pokeVariant[1].vt = VT_BSTR;
/ h5 e: l8 |2 `3 q: s pokeVariant[1].bstrVal = itemStr;
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' j+ ]6 @: o+ v. i" I& T( C topicStr = SysAllocString((WCHAR *) L"system");+ l9 j+ V2 A% V/ a
VariantInit(&pokeVariant[2]);
+ J$ `6 u! P# Z pokeVariant[2].vt = VT_BSTR;
4 I5 r8 k" E" _7 _ pokeVariant[2].bstrVal = topicStr;! C9 o: r Z- }- c, ]; W5 ]4 ^
1 Z! p7 L. y C! m9 G// Set the DISPPARAMS structure that holds the variant.% M4 l# T, I! X( B
5 M& j& @8 {6 Z! P dp.rgvarg = pokeVariant;8 N3 w, K2 n/ @$ Y8 |& w
dp.cArgs = 3;
1 r4 q; E: C" U( s9 Q dp.rgdispidNamedArgs = NULL;
( I+ x+ P+ c% B) v9 Q5 f$ Y dp.cNamedArgs = 0;1 _1 Q' v' Q5 k! H( G+ f7 N, [; y
4 b" H6 R. m9 a$ s! N N% ?2 N
// Call IDispatch::Invoke()! P5 a! P& v$ g: w, i2 Y8 V, ~+ ]4 f
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hr = m_pDisp->Invoke(- t" X4 N; y/ p% g# O& m5 R8 n3 ]" h
pokeID,
+ b9 R# [- n- e) |, `! o, _ IID_NULL,' h4 Y+ `: t5 ^0 s% j
LOCALE_SYSTEM_DEFAULT,
' |# k6 k! W7 s% a DISPATCH_METHOD,
. W& L6 m* O5 C( }1 Z &dp,1 u6 q% s0 g4 A5 E- d
NULL,
+ g/ }8 d) J* M9 z &ei,
( j3 A* U. \1 E f# K &uiErr);
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SysFreeString(topicStr);- @7 U' j; P: a7 l' F! V. ]' u
SysFreeString(itemStr);% s' i1 Z& r& y |" b; a7 W0 l
SysFreeString(valueStr);
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2 M3 ^# G; L/ w; J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???" {- v9 |/ r% ?, _4 ^& |9 W$ }
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
\0 b- z5 _3 p$ t, z// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
' y2 u; r3 V, t; n8 ~3 i// type flag to indicate the fact that this variant holds a BSTR. Place the
. ~: }( {9 |6 N// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 ^* u* ^; d0 p7 B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: ~2 {& d% ?, L$ R/ k) ~4 T+ i VariantInit(&requestVariant[0]);
6 P" W5 V0 ]0 R- s! B! ~2 i requestVariant[0].vt = VT_BSTR;* b" z/ d" ^: p5 D/ I. u
requestVariant[0].bstrVal = itemStr;! p8 `* C# J/ s; M% {
% i4 Z- s' W6 ^8 V% t& O topicStr = SysAllocString((WCHAR *) L"system");
! `1 \( y4 U6 X& E" [/ m VariantInit(&requestVariant[1]);
' z3 h0 a, J8 I B1 B requestVariant[1].vt = VT_BSTR;, f$ V( X& h/ }7 E9 j8 p
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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: V3 E6 }% i/ q+ h dp2.rgvarg = requestVariant;
. j4 n# h, j0 [ dp2.cArgs = 2;( I( o2 J/ o9 B/ v# J$ X# F: b
dp2.rgdispidNamedArgs = NULL;2 ` N7 a% A" }% R8 {
dp2.cNamedArgs = 0;' ~- [: i4 l: r- @
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var.vt = VT_EMPTY;
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6 y" t' t, U$ A3 j9 V7 T* k// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
8 Y& ?# K0 R; U# |1 s requestID,
6 ^* `, x1 F! Y& R0 D3 P IID_NULL,- M4 b) C: H2 O, g
LOCALE_SYSTEM_DEFAULT,
% l& K4 W, }3 `: O: x2 C DISPATCH_METHOD,
$ }4 P5 f. a( o8 t( h: j3 Z &dp2,
+ V# S+ M8 @$ i6 O! n( ]! |# ~ &var,+ x8 M+ s8 ?; C
&ei,
5 n- n3 C7 d* z6 X &uiErr);
E" ]: n6 `3 P; `# N1 @
4 k% z% e' L) n1 Q SysFreeString(topicStr);. L: L! H$ p1 \# o! C
SysFreeString(itemStr);
" e: Z: Z/ {1 n1 }& x请问该程序是获得extend里面的哪个值?2 A: D! c( f! A% O
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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