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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:* Y" N" z% o) ]; }+ _
Name = (WCHAR *) L"Poke";
3 x- @% t# V' X+ Q/ o - s. |( H6 |" Y+ A0 s) ]. U0 g
hr = m_pDisp->GetIDsOfNames (
9 `. o2 a4 g! O; E+ g0 ? IID_NULL, // reserved
+ U1 h5 X k" a5 c$ `% Y" m &Name, // Array of names to get IDs for
9 ]+ M! S" P3 O3 n& b 1, // # of names in the array
5 i0 @. f9 l$ q: z: I# U7 C$ Y LOCALE_SYSTEM_DEFAULT, // System locale w* u0 c, r- |* ~# M5 A
&pokeID); // Array of IDs to fill on output. s6 H) _1 t6 B, F& x
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if (hr)
9 E j. V. T9 k+ c {
1 Y$ H6 [; S& A) _% { MessageBox ("Get Poke Unsuccessful");0 I) L$ a2 \7 J! b# R
return;4 x, s# Y- {. A) F. |
}
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3 _1 c" w& |. s6 M, ~+ g* N' ^/**************************传递数据给extend**************************************/
/ M; p- Z# P/ v% O8 I7 k* \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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6 J6 S* e8 _3 ^5 J3 y2 o$ q; ^2 V valueStr = SysAllocString((WCHAR *) L"1232");
) I, M I* ^; ~- Q, E H VariantInit(&pokeVariant[0]); ; d2 E8 L7 }# `, ?& j
pokeVariant[0].vt = VT_BSTR;! [3 k$ n7 K& `8 X
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 N! T) @, a R% k
VariantInit(&pokeVariant[1]); ' o: g+ ?; O2 k# F
pokeVariant[1].vt = VT_BSTR;( g+ B+ q+ ?7 D* o n: y- i
pokeVariant[1].bstrVal = itemStr;1 x$ L+ J3 w0 g6 i. U
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topicStr = SysAllocString((WCHAR *) L"system");
0 {. ~6 e) c( {' Z. P5 C VariantInit(&pokeVariant[2]); / ^# h/ f1 K; z2 {$ u$ o1 ~
pokeVariant[2].vt = VT_BSTR;* l, c* N, K: y
pokeVariant[2].bstrVal = topicStr;: N! u0 X5 ~' m7 z* `% n
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;( F" }) Q1 w) X: |2 G2 I
dp.cArgs = 3;! S2 A1 o; O- h2 ?7 J/ V4 Y
dp.rgdispidNamedArgs = NULL;
s& [; u# T& P) z2 ` dp.cNamedArgs = 0;/ n# u0 i. I4 k- Q6 n" |
[. M y& q+ D
// Call IDispatch::Invoke()
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2 Q4 _7 x$ N/ ?3 b* [9 G hr = m_pDisp->Invoke(
7 P) ~7 V! T( r7 B pokeID,8 I. Q5 m* `9 r, d2 V3 ~5 y
IID_NULL,
6 q3 E G" x& Q4 M# Z LOCALE_SYSTEM_DEFAULT,% z: Y2 Y3 t. a% Z
DISPATCH_METHOD,
# l) ` v: H4 d, I E &dp,
6 D+ U3 H: I- C4 [7 ~ NULL,! l( @6 C/ g% B& p# B; I
&ei, W; Z& K3 Y: n9 T/ U }
&uiErr);
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SysFreeString(topicStr);. M; o- ^9 I& p8 O
SysFreeString(itemStr);
' @8 k9 @9 q4 V) f SysFreeString(valueStr);' E2 X. J+ f0 d9 }6 O
7 O; F$ }3 g& u* @: w
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???
6 m: k e$ x% @9 W {( |% K4 [9 l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 f' B) }; W) ]( q" {: v. F
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
! O% y9 H5 z0 w! T# U) K6 N// type flag to indicate the fact that this variant holds a BSTR. Place the- [: y- `/ I! B# [( V* e
// BSTR into the variant structure.: K) a: M: l3 Z0 n4 t1 ?2 G
* Y8 O2 ]. J* [' E0 C# y% x requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 j' k. W8 W+ E0 L
VariantInit(&requestVariant[0]);
. P$ ~: ^7 Y* {! U: j; J requestVariant[0].vt = VT_BSTR;
' N# d, }4 G1 ^! p8 V requestVariant[0].bstrVal = itemStr;
6 s8 g ?2 ^- {! {
! z2 a* P7 r. U topicStr = SysAllocString((WCHAR *) L"system");
3 h( n. { p* x VariantInit(&requestVariant[1]);
1 X* s4 j! U+ V requestVariant[1].vt = VT_BSTR; l( v$ x" t9 M$ M8 q/ Q, c
requestVariant[1].bstrVal = topicStr;
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, |) [7 p- W( L$ N0 R; R, ? g// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
) c$ J0 x: v- v9 ]+ D* n dp2.cArgs = 2;+ W7 c1 W3 b4 A' @$ k# y+ k
dp2.rgdispidNamedArgs = NULL;% n4 N: `' m7 q2 K
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
+ s: }) u) L, y- p
9 V+ x8 h, z& l// Call IDispatch::Invoke()2 A" y I" r- Z; k
0 _$ d9 |+ i# I" _: ]: \% F6 C hr = m_pDisp->Invoke(; C" m7 l5 e0 z+ Q6 x7 K4 a+ H
requestID,
7 }0 F" `! I2 f! c* Q W; s' T+ ~ IID_NULL,
8 d; K) \( u( Z LOCALE_SYSTEM_DEFAULT,
; _, v! @' U; s1 E8 k7 o DISPATCH_METHOD,
1 C/ i# ?' {5 S0 S; e0 l* T* | &dp2,
6 F0 c- F* z) @, I8 m' V &var,: U: F* Q' ^& k! d* N
&ei,
. x( [& I9 `$ \ B &uiErr);
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SysFreeString(topicStr);; Z7 F% h3 {, k: x$ W
SysFreeString(itemStr);
+ o. N I8 z) L5 z; E请问该程序是获得extend里面的哪个值?
; x4 r( l0 C; X" v9 J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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