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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:& x! V$ A+ y: F) v
Name = (WCHAR *) L"Poke";2 j: q9 ?, W' ^
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hr = m_pDisp->GetIDsOfNames (* j& H% z* V; _4 o
IID_NULL, // reserved! t8 y- `3 d1 c Z& \
&Name, // Array of names to get IDs for
. r8 `) X$ t/ t2 }0 a4 ~5 n5 K 1, // # of names in the array
6 x$ c2 M" ?9 B U. S LOCALE_SYSTEM_DEFAULT, // System locale
) z, M2 K* L8 N* V3 k9 T &pokeID); // Array of IDs to fill on output
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{! H. P& }% x( r/ R/ ^ if (hr)
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MessageBox ("Get Poke Unsuccessful");
/ K2 ~* h4 Y! ~% L. P' N return;: N' }2 P/ \% M1 r2 N* f+ x* `
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/**************************传递数据给extend**************************************/$ Z3 O8 f, @, j) x1 h# ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, u$ {2 g4 f/ f- \
/ ?% ^- ~/ m; Z z, D0 K, \0 u valueStr = SysAllocString((WCHAR *) L"1232");8 d9 Z' `% a- W7 f% | Z2 \+ N. |
VariantInit(&pokeVariant[0]); ; g* x6 z4 a( c( A: T
pokeVariant[0].vt = VT_BSTR;2 _: r: [: V! o5 L5 r1 X; U1 z. \9 R
pokeVariant[0].bstrVal = valueStr;; }, m. i" d+ m
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' p: @+ X4 E. r9 {7 e# Z2 l
VariantInit(&pokeVariant[1]); 7 }1 z' B$ t0 J* ?' N) Y
pokeVariant[1].vt = VT_BSTR;% V! w' t f: G9 Q r
pokeVariant[1].bstrVal = itemStr;% e5 J8 r1 |2 u0 [
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topicStr = SysAllocString((WCHAR *) L"system");4 s0 F; w6 V k) M) h( y6 h- f
VariantInit(&pokeVariant[2]);
+ v+ f/ W1 k4 z( I pokeVariant[2].vt = VT_BSTR;7 s- N; L9 O- ?
pokeVariant[2].bstrVal = topicStr;
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) N2 Q. @4 D; e, l# y& f+ V// Set the DISPPARAMS structure that holds the variant. P. q$ _- j! U6 j, @4 E: A9 I0 R5 U
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dp.rgvarg = pokeVariant;% |- ^; N' x0 O- w
dp.cArgs = 3;
2 y9 }) w, I& `, e2 D) C" ` dp.rgdispidNamedArgs = NULL;
P7 q& G( U$ e$ `2 a dp.cNamedArgs = 0;
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) q. W4 c) `& H0 c- j4 u// Call IDispatch::Invoke()/ d- d5 Q7 J8 T# w% H _5 k# x
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hr = m_pDisp->Invoke(! }5 X" p; Y9 |0 e; h8 D
pokeID,
/ X7 z0 m' {3 \* Z$ t1 X7 e& x* q IID_NULL,
b! e6 m( ?" O! a, a LOCALE_SYSTEM_DEFAULT,
! \4 ]3 O; a) S6 I; D DISPATCH_METHOD,
" K/ C5 Y' O# @: I ^# T! n &dp,
& b- T2 K" \. Z# ~# J NULL,
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&uiErr);4 f. S( `( K- y, G0 B1 d
0 m! k5 O) N& E& v SysFreeString(topicStr);- ~4 p0 _4 D1 J. Y' b; v3 X
SysFreeString(itemStr);/ M7 g# [* h N9 @
SysFreeString(valueStr);
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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???) [9 o) R; n! I" w7 y
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????; t& z; `3 E1 W3 q) m5 {
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6 ?/ \& ?/ n, V2.这是request的程序0 G3 Z1 _: l% o9 S9 `: J
// Request a value from Extend
; @, q, d! q. T4 i//
$ Z9 w N8 c( t// Initialize the variant that will hold the BSTR. Set the variant's
# |( W, z+ B8 b// type flag to indicate the fact that this variant holds a BSTR. Place the
. C! R. V R1 y# b& O// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 o5 ^" s. n/ P. |# |
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 u: V. ?! u, ?. Y" |) x
VariantInit(&requestVariant[0]);
* h8 z4 y1 A" Y i requestVariant[0].vt = VT_BSTR; `4 U4 u: M: K. n! X
requestVariant[0].bstrVal = itemStr;
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5 ?5 N) ^2 v' R, a, k topicStr = SysAllocString((WCHAR *) L"system");
. `. j5 Q( {0 Q9 ~% s* W VariantInit(&requestVariant[1]); ! C# O+ n' T8 a% ?
requestVariant[1].vt = VT_BSTR;/ t; i( [+ j2 c% d9 z
requestVariant[1].bstrVal = topicStr;
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9 O h. \1 O+ k2 {8 O) u// Set the DISPPARAMS structure that holds the variant.1 C5 X0 Y/ Y; ~4 c( j
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dp2.rgvarg = requestVariant;
7 R5 g' z# ^ Y, ~! }4 s9 D) O) Q dp2.cArgs = 2;+ }/ C( u* E; P3 _
dp2.rgdispidNamedArgs = NULL;
6 V+ X1 j; L, ^, M+ o* n+ m dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;: |( `* w0 j" N
( r1 ]: R+ W! c, v' D9 U// Call IDispatch::Invoke()( v0 s9 L- B. x9 \* P; X
* g+ |% W+ [, i, B5 }# F hr = m_pDisp->Invoke(
1 z S0 B5 j& ^) Y* B% z requestID,. Q( J' E+ Z8 ~6 n6 }) ]& ]( ^
IID_NULL,
& H2 C/ [8 _4 [, p LOCALE_SYSTEM_DEFAULT,
6 R" Z* `$ e! g* p. L DISPATCH_METHOD,
0 p( J& A# f# t& G' |7 ]. `6 U& g &dp2,. {8 ?5 t' T, Q6 x4 z
&var,
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&uiErr);! X* u3 d6 x: J0 g/ [) K
2 g {1 X; k8 e. R2 b' r0 l8 V SysFreeString(topicStr);
+ ]; S- g& _# J1 O0 A2 o4 R/ C SysFreeString(itemStr);3 y- Z7 d3 |5 i5 a
请问该程序是获得extend里面的哪个值?/ n; g* l5 w4 _( V
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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