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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:4 O+ j+ `% e& s- Y' M2 l
Name = (WCHAR *) L"Poke";
; A4 `+ `$ [2 S" ` ; f+ H% c& {1 w, m
hr = m_pDisp->GetIDsOfNames (+ u' m' [! e7 A1 C8 S( Y4 l/ ^% i' X5 P
IID_NULL, // reserved
* G% |) T+ F: x. H" \; g &Name, // Array of names to get IDs for, L6 M$ `: [+ y+ K0 d0 n# @7 w6 K, n
1, // # of names in the array
; d' N6 F8 x$ X9 _8 N LOCALE_SYSTEM_DEFAULT, // System locale
6 v0 q7 K" r, O" K& I &pokeID); // Array of IDs to fill on output
2 l1 Y0 @- {; C9 v
* p# K5 m7 ?' h( P# d, Q/ ^ if (hr)( R( }9 ?4 c4 N3 {& K' q3 i
{
$ v4 J' t+ H) U, b MessageBox ("Get Poke Unsuccessful");
0 B. g u! k. f0 w& }4 b return;
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/**************************传递数据给extend**************************************/; d- t1 I# j# ?3 N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
0 r, c) K; m3 I; e VariantInit(&pokeVariant[0]);
0 V" @. x8 P7 O- H) I pokeVariant[0].vt = VT_BSTR;/ k$ z# \7 x* }, b4 x" a( J
pokeVariant[0].bstrVal = valueStr;
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3 d, I0 s- k" ~' I% x2 d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 K; n% I- z) Z' H# E. e
VariantInit(&pokeVariant[1]); " B0 H( x% V; x6 l2 ^: J
pokeVariant[1].vt = VT_BSTR;/ r) j7 R& O+ d# L7 M v7 g1 D
pokeVariant[1].bstrVal = itemStr; t- x9 d. B- d9 w1 A6 C9 V
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topicStr = SysAllocString((WCHAR *) L"system");
, q, G Y1 R# W% M+ _ VariantInit(&pokeVariant[2]);
% b$ @5 z% p' O: l H pokeVariant[2].vt = VT_BSTR;
$ z% }: x, z# V: p3 ?; K pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.: g6 K X+ p8 q, H6 y4 a
+ p K) a/ ]4 [: n7 H
dp.rgvarg = pokeVariant;5 [( B& p3 ?1 r; X- l4 K/ y
dp.cArgs = 3;# Z1 q8 g! V' B
dp.rgdispidNamedArgs = NULL;5 B/ R. {+ h5 K2 t$ L# p6 _0 s/ _
dp.cNamedArgs = 0;5 s) Y/ F0 `7 V# ] |7 d
9 E- s/ ^8 O/ r7 v; }3 z ?
// Call IDispatch::Invoke()
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. R6 U! C$ [! Q% b8 G9 z" d hr = m_pDisp->Invoke(; ?6 _" @1 u% o5 b1 D
pokeID,, l U2 U$ \. M0 P7 d0 m! G: p+ ]7 f& q
IID_NULL,5 s7 u/ Y6 n; E6 u) q4 V$ t0 U- w4 {
LOCALE_SYSTEM_DEFAULT,
5 H! I& K- y7 A3 Q- b DISPATCH_METHOD,
. B+ D+ S, O$ l g# x7 ]$ [ &dp,
( v8 O! e: W' o" i NULL,
5 M8 k* t6 ~1 }9 \) I &ei,# q" j% d! {" D: \
&uiErr);
, \+ n4 {8 Q+ G3 l
2 u# j" \; g1 q( d SysFreeString(topicStr);
K; {; }- ^2 K$ Q SysFreeString(itemStr);2 E2 B6 s& p1 a! B% }
SysFreeString(valueStr);
0 _. Y$ l7 n! b3 w) n3 f) d" _$ P: w% d' n- |$ m4 l$ ~
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???
' U( v0 Z% h. `9 M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
! ^/ j5 I# M! F) ]) J3 ]; Q// Request a value from Extend
8 U, v j8 [+ b//
9 x* c* x8 |9 l: T. v. u1 D// Initialize the variant that will hold the BSTR. Set the variant's
6 z% W) r- ~1 U' F9 c// type flag to indicate the fact that this variant holds a BSTR. Place the B, {$ K j: Z& J
// BSTR into the variant structure.# E6 g$ F$ K1 E
3 Q3 f: p+ b3 {
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
1 r; O! J) L- }; K
& Q$ V, |9 N2 o, o! l1 { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); U0 K# V" c" `( l3 l! v
VariantInit(&requestVariant[0]); # J! m/ D$ m" a
requestVariant[0].vt = VT_BSTR;' }" r" v. L5 W% F* A7 F, e: @
requestVariant[0].bstrVal = itemStr;
4 A( `7 Y# l8 E
( W5 J2 X0 p0 e- J. ? topicStr = SysAllocString((WCHAR *) L"system");
7 J3 o- I7 c; U$ F( U% J! i VariantInit(&requestVariant[1]);
( \9 p" P* T/ l' r6 o( b requestVariant[1].vt = VT_BSTR;* r. i+ v; c# k8 k3 j, U6 y
requestVariant[1].bstrVal = topicStr;1 n. \. K: N4 v B# f2 j3 M
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
1 x% a4 r( |, `( s dp2.cArgs = 2;
' e) l. |7 k3 y( p, \* P | dp2.rgdispidNamedArgs = NULL;
8 Q; d+ O, {6 h5 v+ R$ Q dp2.cNamedArgs = 0;
3 C* u0 s8 ?& l% y( u% \
& [4 {3 ?4 O1 y5 j1 m2 O& T var.vt = VT_EMPTY;
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( a' G: p3 w6 j) @/ r1 D4 \// Call IDispatch::Invoke()9 ^; k) k+ p4 z+ X% I
" E5 O4 B( F1 H) l hr = m_pDisp->Invoke(
' w& b% I# \3 E requestID,
& v( A( c% Z: o IID_NULL,
$ g4 l! Z3 U1 b5 D) c# U4 J' Q LOCALE_SYSTEM_DEFAULT,- F2 M. s; @$ q5 p
DISPATCH_METHOD,
( T3 l/ j9 Y5 |/ m; o& j &dp2,2 N- P% l: |/ n
&var,
/ a8 ]3 D/ [2 i &ei,& G; f- ]* \8 ]3 o! b
&uiErr);" F' l6 L3 J, ~5 a& G
3 v0 i4 f0 ] [* b! }, { SysFreeString(topicStr);2 r/ f/ \6 ]) W$ B% [2 U
SysFreeString(itemStr);$ b2 t& `3 v. {# H# v8 G* m
请问该程序是获得extend里面的哪个值?
' O' P, V) R7 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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