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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:& T& j' D* d5 q5 n+ F1 f
Name = (WCHAR *) L"Poke";& {3 L2 b- g. w" T/ ^
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hr = m_pDisp->GetIDsOfNames (
2 Z- J: p) K/ d IID_NULL, // reserved
: t$ J* f, r6 U; Q' \/ N &Name, // Array of names to get IDs for; h, Q' Y9 w( t$ B# U, X
1, // # of names in the array
" R* {: B( Y! F y LOCALE_SYSTEM_DEFAULT, // System locale) A' h9 s8 G5 B7 ?6 E8 Q
&pokeID); // Array of IDs to fill on output
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6 M& U& e5 ^$ r7 P# f if (hr)
9 n& h* {8 Z: [6 X {
: g8 N$ @ @: ~ MessageBox ("Get Poke Unsuccessful");7 L# q1 \/ ~& d2 `7 Z
return;
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/**************************传递数据给extend**************************************/
5 _- p$ \* R5 P5 I1 u0 w pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; X* W4 m! I7 O5 G) y* L
- b8 y" M4 A. V+ S7 U valueStr = SysAllocString((WCHAR *) L"1232");
+ A: X1 M6 ~( Q8 y; e1 K; W/ ~ VariantInit(&pokeVariant[0]);
5 R) q+ |2 j, w+ m) a) A) m* y pokeVariant[0].vt = VT_BSTR;( Q) K" h7 K. O4 `5 T
pokeVariant[0].bstrVal = valueStr;4 o9 y: P$ A, v
9 I$ {( A; w* h9 ?/ u% @; U itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 z" t! D( X6 m( B' g* z* X VariantInit(&pokeVariant[1]);
q9 [& r$ t# o' n' Z pokeVariant[1].vt = VT_BSTR;
- {8 Z$ t2 m! ?, z7 U pokeVariant[1].bstrVal = itemStr;. c! _8 `, e* B. f- B
- E2 W5 K+ A4 n5 z topicStr = SysAllocString((WCHAR *) L"system");3 `# A% G5 b3 U( C: w
VariantInit(&pokeVariant[2]); ! d3 o5 M5 ~: f* b8 r
pokeVariant[2].vt = VT_BSTR;+ P5 X5 x, H# [, \# d6 H2 \
pokeVariant[2].bstrVal = topicStr;0 |3 ~. v0 S& w8 \" d1 y7 R* ~
; v- n2 S: {9 n/ ^% [6 a// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
: [ F- M4 |4 y7 g dp.cArgs = 3;. e+ w2 k: X9 V# z# F( ~. x
dp.rgdispidNamedArgs = NULL;
. ^/ d3 S; p$ v+ v3 u dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()* Q1 }5 Q7 E2 e8 G1 `% V
3 ]5 C0 y, _. z! \) Q hr = m_pDisp->Invoke(. q$ y4 I; M+ S9 r
pokeID,
) g( n7 s3 b2 K% Z. ?$ T IID_NULL,: C% j3 L! W6 p4 _4 k. f
LOCALE_SYSTEM_DEFAULT,
' T$ r1 c' Q, y" e. k- ~6 O0 w DISPATCH_METHOD,
* C# t/ z! S3 w0 O+ v! [, i &dp,$ p* Y- P6 ~3 d E0 Y; f- y7 o
NULL,7 ^1 \; Z% H% c$ E+ M
&ei,
" k5 [$ S# ` h &uiErr);6 _$ W# T- @* ~' [
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SysFreeString(topicStr);8 C2 w6 L8 ^4 b4 e+ |$ G Z( ]9 U) V. x
SysFreeString(itemStr);
% ?& y: y! u1 N% s, }0 K SysFreeString(valueStr);
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% I: U. |2 p/ P/ t1 V" o6 _9 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???
; q+ S' g O ^2 U" g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# W q2 B% j) l1 @1 D% X
// Request a value from Extend
" \9 q' g$ \" }" `9 B2 e% \//
% w+ ^6 T& ^, h7 e! j7 X1 p// Initialize the variant that will hold the BSTR. Set the variant's
; r: o' L$ `( i! g* u: p// type flag to indicate the fact that this variant holds a BSTR. Place the
: X9 Z9 w# k' w' C9 X; T// BSTR into the variant structure.
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1 |* u/ N% @# @: h1 \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 E% ]( s# ~- T: B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! u* W# @; e- X! Q( Y( @
VariantInit(&requestVariant[0]); % W- i" z- ]0 z0 ~
requestVariant[0].vt = VT_BSTR;
+ d6 o* e9 n4 H requestVariant[0].bstrVal = itemStr;! n& R7 a7 m" l) _& \% R/ _0 N
% c; n6 M2 Y* O/ Z+ b; }4 r topicStr = SysAllocString((WCHAR *) L"system");4 m4 B# o5 J8 P. p/ S; {2 X6 {
VariantInit(&requestVariant[1]);
) i. l) l3 {" K& Q5 j5 p requestVariant[1].vt = VT_BSTR;. g4 n2 X6 s3 H9 C! q( B/ |$ I
requestVariant[1].bstrVal = topicStr;: _0 B5 A) o7 C f% W5 |( b
0 e9 j4 D7 a H9 m// Set the DISPPARAMS structure that holds the variant.: Z4 C$ Z5 Y' T2 Y& T
- V0 f' p$ U# V. N5 a w' \' ? dp2.rgvarg = requestVariant;8 m9 D9 i7 V p1 I% }9 r
dp2.cArgs = 2;6 Y1 K, B6 H" Y4 r4 \. ~
dp2.rgdispidNamedArgs = NULL;# ^1 B. Z, T+ u9 I+ O
dp2.cNamedArgs = 0;: R- M) p d0 q& N
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var.vt = VT_EMPTY;
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5 `0 g' y' [: G1 P& O+ D. X3 W// Call IDispatch::Invoke()6 I; F& ^- n/ a# n' ]
; R& o' \! B0 N3 o hr = m_pDisp->Invoke(
, s/ V! a4 c) V requestID,# b7 u# E! ]2 ?, D1 {. d5 D
IID_NULL,
5 G1 i7 |* h( r* H. K5 } LOCALE_SYSTEM_DEFAULT,7 V& w9 |4 Y# z8 s7 b3 k
DISPATCH_METHOD,/ T( f6 B r4 K! q* ]
&dp2,
' c3 `' v5 O7 \/ w# W) R' ~& V& \ &var,
; }7 o6 v- Z& w" p6 e$ U &ei,
/ [4 ?& v# d# E0 S4 a) C4 }& [2 I &uiErr);; I. [4 |* W6 U# N2 R1 h* r) l* u
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SysFreeString(topicStr);
3 j3 }+ h5 G' f1 A! p SysFreeString(itemStr);, T" N9 ]( v2 D b% B: q
请问该程序是获得extend里面的哪个值?& J ]7 q) W5 n) ^! 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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