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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:* [( s- G8 N4 D6 x1 [' E3 P2 w3 Y
Name = (WCHAR *) L"Poke";
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! g9 h0 p5 d( e n hr = m_pDisp->GetIDsOfNames (* S3 c' Q: u% I. v
IID_NULL, // reserved$ v/ V7 g+ e& q' \' R/ R! Y
&Name, // Array of names to get IDs for
4 @3 ] R5 T. m$ |5 ] 1, // # of names in the array8 {$ P' \, O- i9 m! m6 k) o
LOCALE_SYSTEM_DEFAULT, // System locale: G; x t Y/ D1 m4 U4 _
&pokeID); // Array of IDs to fill on output( ` g2 z! C$ `" O
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if (hr)
3 I& g* k5 `. ^+ r. y {
: ?; M; Q0 P- Y6 r2 k/ \ MessageBox ("Get Poke Unsuccessful");4 f: M" z3 v2 V: N9 ^
return;# l8 K: `1 t8 s. |, O
}
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" q, e6 M' Z% Y: O/**************************传递数据给extend**************************************/
- L2 V7 f& Q( ]/ Q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% Z- I: `1 k% D6 j
/ f6 t( W0 B# K& u8 S# F valueStr = SysAllocString((WCHAR *) L"1232");( \0 U0 {- h/ {$ R L r
VariantInit(&pokeVariant[0]); ) a h' D# |: U- ~3 F
pokeVariant[0].vt = VT_BSTR;$ o% U ^# c% ^
pokeVariant[0].bstrVal = valueStr;8 e/ e' F1 y: V/ |9 g: R1 i
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 M- F% }+ ~' a
VariantInit(&pokeVariant[1]);
9 U1 F4 u! n( l; Q pokeVariant[1].vt = VT_BSTR;; W2 A$ W3 j- x, y
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
* V3 R/ ^; ?, ^1 _ VariantInit(&pokeVariant[2]); 6 d+ y) R8 c1 A% v/ e, ^- _
pokeVariant[2].vt = VT_BSTR;* e. h) J7 V( ^ T& P+ L9 b
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ }1 H* `6 ~. L7 ?% G
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dp.rgvarg = pokeVariant;5 e; J* e0 i/ Z, c; L$ Z
dp.cArgs = 3;
) T# @( m& n( N- T! ` dp.rgdispidNamedArgs = NULL;5 u8 m: G# Y; k8 D) j
dp.cNamedArgs = 0; b# B& ]- `% B* E- c
; k& ` p3 v7 ~! G/ x
// Call IDispatch::Invoke()8 p3 Z! K' H& F
4 e$ H) y* q9 r) U1 C hr = m_pDisp->Invoke(
0 r% r* {$ U* |* _ pokeID,
, z( K( h- a7 n& _ IID_NULL,
1 O, a$ m& E) {6 U% }1 ~( `. p LOCALE_SYSTEM_DEFAULT,
3 M4 Y+ w6 }6 @- _, V& H1 U DISPATCH_METHOD,' M+ I6 \8 {9 _# j
&dp,. K4 W t. \6 s7 r
NULL,
. l& T' p/ ?" m' A! } &ei,
0 i( U& D; {5 C) | |2 Z2 R &uiErr);
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SysFreeString(topicStr);
& N/ v& \: F6 x- T SysFreeString(itemStr);6 W' s, A1 i' ^' Q! W
SysFreeString(valueStr);
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( ~4 A/ s/ r4 s* {& |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 q' [/ ^1 N! H5 k$ {1 s
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????' I7 v7 M& ]2 w9 s; J( q
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2.这是request的程序9 n' N- Q* R: I. n
// Request a value from Extend% N U8 d" T, Y2 h" a
//
& k9 H1 o6 \+ v- D7 i! v5 ~// Initialize the variant that will hold the BSTR. Set the variant's
# E3 i4 D+ g% a" j( q// type flag to indicate the fact that this variant holds a BSTR. Place the
0 b3 N" ]0 d& b) L! i' v+ m! s4 q// BSTR into the variant structure.( K+ i& t& [1 i$ P8 ]: c& @
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, B1 Y ?: i( X/ Z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: g% h+ K ?/ S* R: }' h VariantInit(&requestVariant[0]); + G( k6 N8 y* j& P8 K8 j: ^5 d
requestVariant[0].vt = VT_BSTR;
6 R1 L) K6 w% z( O# Y requestVariant[0].bstrVal = itemStr;# T; l2 G% g0 {* M
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topicStr = SysAllocString((WCHAR *) L"system");6 [) ` n# x7 h# ~7 ^
VariantInit(&requestVariant[1]);
0 w- v% ~6 o. C4 b8 m requestVariant[1].vt = VT_BSTR;. W h2 W @) |! b$ @0 b
requestVariant[1].bstrVal = topicStr;# D }% R& p+ h8 ^ Y( q
' V6 i( U2 c: I9 r// Set the DISPPARAMS structure that holds the variant.! e$ o! q0 d! f' e0 n1 g6 u# B
: Q, L' U Q0 b* b dp2.rgvarg = requestVariant;
( _2 w) F" H" U: H! F- ?# s# x dp2.cArgs = 2;, A5 m3 B% i1 i9 `2 I
dp2.rgdispidNamedArgs = NULL;( `0 \* m! l- f4 ?8 r8 [+ Y
dp2.cNamedArgs = 0;& J) N7 U% R. i) @2 b
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(- u. x6 w4 h3 G8 m8 S% B5 X+ f
requestID,
7 \" I% q+ k2 U# \3 a4 h1 o/ K IID_NULL,
! i/ _' [! r! Y+ ~% f! `3 r LOCALE_SYSTEM_DEFAULT,
, n+ X) |& }& o, @ DISPATCH_METHOD,' o; d$ m( {, r+ a; G. v6 h6 f7 ^
&dp2,! j$ n2 u% t( t. k
&var,, f; t) x7 |8 F6 i+ F8 N
&ei,
' R( c, N. N; E# h4 p &uiErr);& ]4 H1 A F5 d1 h) F7 t& a
7 j! U/ Q: b. S) q4 K' d SysFreeString(topicStr);
5 w; D% K+ ^9 ]8 _* s. e9 h5 b SysFreeString(itemStr);/ U- w* r" x7 E! C: F
请问该程序是获得extend里面的哪个值?9 R! R+ S; _# m0 F
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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