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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- j4 {( H G0 d/ L# }
Name = (WCHAR *) L"Poke";6 ]9 B2 m; R' Q3 S# s6 z
7 W [! s, a9 a. u hr = m_pDisp->GetIDsOfNames () N9 D& [! l) I
IID_NULL, // reserved$ V2 x0 R3 w p# C( p
&Name, // Array of names to get IDs for
3 Z( g9 }. c* e 1, // # of names in the array
* _9 L* s/ g4 l0 r LOCALE_SYSTEM_DEFAULT, // System locale2 I5 N* _7 a) \/ A7 |, b& \
&pokeID); // Array of IDs to fill on output
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8 H2 I9 V' x5 ?0 D% k: G if (hr)9 A/ M/ @: W' v: ]
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MessageBox ("Get Poke Unsuccessful");/ v$ q* @+ ~! s+ `# J ~
return;: \, I; M8 Q' g0 ]) G4 \' s
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9 l$ n) \5 |5 V3 c2 {! T+ _0 R6 c/**************************传递数据给extend**************************************/3 G- W: b- W! t q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ e8 B" |$ v7 y0 a
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valueStr = SysAllocString((WCHAR *) L"1232");
9 w3 K( ?% n" ` VariantInit(&pokeVariant[0]);
1 p- Y6 C: H$ o3 e% d pokeVariant[0].vt = VT_BSTR;2 J) z( D- j Z, D( W- L t5 R
pokeVariant[0].bstrVal = valueStr;! l/ u4 }/ c& ^7 A2 D8 J
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 o8 j- Q5 _& V7 A s7 D7 P
VariantInit(&pokeVariant[1]); - R3 x. r7 r7 Y) E0 x
pokeVariant[1].vt = VT_BSTR;* o# B& W" J1 {! T
pokeVariant[1].bstrVal = itemStr;# u4 s6 h6 D5 w1 Q+ j
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topicStr = SysAllocString((WCHAR *) L"system");
) p3 C5 z }, N1 W Y5 @ VariantInit(&pokeVariant[2]);
5 V: `) H; T" c( J pokeVariant[2].vt = VT_BSTR;' F* H5 q" k" n; u" h F7 L. g }
pokeVariant[2].bstrVal = topicStr;4 j0 `7 }. r. Z+ G& f5 x" O+ e
6 w: A$ y' ~, B, @9 I1 _, l) q3 @// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
% ~* Z' c; a* V/ p& @) g2 T dp.cArgs = 3;# C" L5 r* i# [, O: O! s
dp.rgdispidNamedArgs = NULL;
U; J! g9 T6 r7 @3 P) |: A. Q- p dp.cNamedArgs = 0;* d( r; A% F1 { t/ B
) p% b4 K* f& _' i" B( |) x// Call IDispatch::Invoke()- \" a! k2 P y+ D: W8 N
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hr = m_pDisp->Invoke(
) v4 n" z" N" w! g1 u4 m pokeID,/ o: `( ~* }) j: @4 U3 J
IID_NULL,
; f' Q) G& p0 G4 |" | LOCALE_SYSTEM_DEFAULT,) N" s6 A, ~% w& x6 ?
DISPATCH_METHOD,
c2 E( I/ a$ q2 `9 f2 W8 e( Y3 _ &dp,; ~" Y0 X1 s' @+ s3 f
NULL,/ g: E$ b F- v' v
&ei,
& H7 s/ C! t4 ]4 x0 n0 ~ &uiErr);, s! j `: r2 O1 L3 M" ~- y# s$ e
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SysFreeString(topicStr);! X% z) J. Y9 H0 _
SysFreeString(itemStr);% u0 N/ K% z: K
SysFreeString(valueStr);3 B7 ~: l) l7 x) p M9 i
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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???
# `% Z2 ], |6 U g6 n4 [9 A* J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????3 b7 S3 y, P# B9 c {: g
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2.这是request的程序
- z/ t P' e: V- K$ d// Request a value from Extend) {0 p* F, M, U7 L% B. w: N$ i- ~
//
' f! ?: Q. E; M) C( G; T9 }// Initialize the variant that will hold the BSTR. Set the variant's* M7 ?* u. u$ B7 h7 B
// type flag to indicate the fact that this variant holds a BSTR. Place the8 t( U2 L; A$ o. L
// BSTR into the variant structure.
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; P- e3 R$ ~) `0 ^; _ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
1 {3 W- f/ A, W1 r O # g% x6 ~. G8 E$ i' X
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ Z3 l& Q v+ c0 i8 \9 {3 S
VariantInit(&requestVariant[0]); ! y1 W; F0 o! q( V/ p# j
requestVariant[0].vt = VT_BSTR;0 @2 j* e: X! `( w; U
requestVariant[0].bstrVal = itemStr;
3 M: b _' D- E
% E9 U2 h3 `0 |. W1 ? topicStr = SysAllocString((WCHAR *) L"system");6 b* I- W" J5 O8 ?+ o
VariantInit(&requestVariant[1]); 2 N9 e+ \, c& g6 Q$ b2 Y* {
requestVariant[1].vt = VT_BSTR;4 ]. f7 w+ Z" k& \6 L
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ g; L$ ?( q3 b g
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dp2.rgvarg = requestVariant;
* s- T* r0 i2 e7 e, M dp2.cArgs = 2;
" d& i! z$ Z- Q: b dp2.rgdispidNamedArgs = NULL;
. g* ?7 C/ Q' I+ U dp2.cNamedArgs = 0;& J5 f/ l1 E0 ?
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var.vt = VT_EMPTY;
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, A) ?1 D) V/ N$ B7 I// Call IDispatch::Invoke()
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/ h( F& m" M+ W1 ]0 J; }- K hr = m_pDisp->Invoke(
/ c! I' u8 T! c. r+ a( _: l g: Q+ ~ requestID,
7 v9 I3 q' W4 m: P& n K3 R. z! L IID_NULL,( F3 E& q/ _" A
LOCALE_SYSTEM_DEFAULT,6 J8 B+ v! Z; o6 G6 A" N' v
DISPATCH_METHOD,# g. V6 _) B0 w6 U Y8 f0 L: B- i
&dp2,$ Q* B e7 U# t- ], O' F, B/ `
&var,
- o% c7 p2 y0 Z. T1 M. h m &ei,
: k a& B$ |, J. x% I3 O! N y" ~ &uiErr);
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SysFreeString(topicStr);. t9 h" ? T: d; S
SysFreeString(itemStr);
) N: q+ e' S; I- Y5 |' |请问该程序是获得extend里面的哪个值?
7 N$ [0 G; Z k" e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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