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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:
) F# ^8 v9 d: _3 x: \8 {3 `Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (( A( g6 ^% j. H% b
IID_NULL, // reserved
# v# x3 \- {* e. K &Name, // Array of names to get IDs for
- o* Z% r" d2 p 1, // # of names in the array# `( U. W0 q6 X9 J$ s! o
LOCALE_SYSTEM_DEFAULT, // System locale
# b6 h1 S! w& e1 n1 A &pokeID); // Array of IDs to fill on output
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if (hr)
$ L/ V3 D3 ^0 X2 a8 q( v8 S { o! K4 ?- q; F. V
MessageBox ("Get Poke Unsuccessful");
$ R& I W$ P* D1 b/ @ return;- W! }, T3 ]9 |- ^
}
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/**************************传递数据给extend**************************************/, m6 _; [( \5 v: i8 ?* N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");# t/ n3 A4 }/ F0 h7 ?
VariantInit(&pokeVariant[0]); ! n# j a, V9 \! {0 k2 f8 J" b
pokeVariant[0].vt = VT_BSTR;
% S* }) Q2 R8 K pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 T7 [8 B& ~: T5 _; D) F' E
VariantInit(&pokeVariant[1]); * ^: I. i$ X2 u4 _: I8 [# c. V
pokeVariant[1].vt = VT_BSTR;
$ L# ~4 J _5 {: g pokeVariant[1].bstrVal = itemStr;% @& t- F5 ^5 O9 P
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topicStr = SysAllocString((WCHAR *) L"system");
4 a3 U! A: k+ v# B VariantInit(&pokeVariant[2]); 3 m+ P# e2 X v* U" _! ?
pokeVariant[2].vt = VT_BSTR;
+ S m! C( }1 X/ T( s3 R3 v pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ ]8 ~2 r: F2 s% d
3 n% E' _ ~7 T# W0 I) H& g- {5 q" o dp.rgvarg = pokeVariant;
; C l4 Y, ~7 j, P! g3 e& p. M dp.cArgs = 3;, g; b$ @# d# t) J0 k2 t
dp.rgdispidNamedArgs = NULL;
% o' @8 c" c+ Y) T* M, F dp.cNamedArgs = 0;! ]# N6 _" Y2 R/ x, M; l
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// Call IDispatch::Invoke()9 o* ^* P- ? b# v0 ?
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hr = m_pDisp->Invoke(* h4 W" k o( `
pokeID,% }. a% G: K' O0 X) S
IID_NULL,# i9 f: A( k: `' C7 o: ^. h
LOCALE_SYSTEM_DEFAULT,
# Q& L8 u; W, Q, a8 U DISPATCH_METHOD,$ n) @+ H6 \0 u! L
&dp,2 L1 W1 o( @; g7 [0 W R* J. N
NULL,
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&uiErr);
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SysFreeString(topicStr);
& z, o. Z2 R6 S! E/ Q' f SysFreeString(itemStr);2 ?0 `) R' {, ?8 R' W. L
SysFreeString(valueStr);6 \+ F; M/ o7 S: a( J9 \
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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???+ {( k7 C: R/ ^+ H
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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; w7 h; E5 g' T! ?2.这是request的程序9 O7 g" E5 H; E; p( C
// Request a value from Extend
) x" p$ ~# G& H2 t//
9 ? U+ m/ V) b# c8 M" c// Initialize the variant that will hold the BSTR. Set the variant's
+ }5 z: Y2 s% f/ ^' k0 f. a6 E// type flag to indicate the fact that this variant holds a BSTR. Place the
5 \% O( n$ N. g2 z& I// BSTR into the variant structure.$ `6 X, M: i! F E0 E/ l2 ]
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" [% J8 p. Y! t0 Q: O% \
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 G$ r& B1 H% T0 L5 k' Q' R/ O VariantInit(&requestVariant[0]); 8 O, [! v2 K+ k0 t" Z
requestVariant[0].vt = VT_BSTR;
6 P/ a" U. X' r4 G4 W" K: z! V requestVariant[0].bstrVal = itemStr;
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8 ~: ?$ E) M( r2 U" t3 t topicStr = SysAllocString((WCHAR *) L"system");: i% \, T0 {! ]8 Z4 s6 |; [
VariantInit(&requestVariant[1]); 7 G( i) D" \ a. I; A: P& Q# S
requestVariant[1].vt = VT_BSTR;
8 W5 T5 D9 z% g+ M requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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; M* L8 e& K# }4 j# z6 l/ z* ^ dp2.rgvarg = requestVariant;
; p7 Z) E* H* s% v1 W/ ~ dp2.cArgs = 2;. i. z2 I5 r6 q
dp2.rgdispidNamedArgs = NULL;! B$ X4 N" j3 b$ ~- U8 p8 t% }* U
dp2.cNamedArgs = 0;
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0 ^; j, f. K# q7 A, k# h var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()+ I4 P2 C. |% R2 w( G
! K) ?% c- T. K0 c hr = m_pDisp->Invoke(; E, C2 r9 I& V1 b- k9 I8 x/ M0 M
requestID,
; j, x( w- _$ j R: S$ l% V IID_NULL,
2 G$ D3 R; k% N* B* t, m LOCALE_SYSTEM_DEFAULT,
8 Y# B2 G3 U: d. u! m; G4 F DISPATCH_METHOD,
& m1 `2 y: b v: ?+ c! R( M Q &dp2,2 C `6 i7 J$ d5 ]
&var,
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&uiErr);+ t D) ]/ T% q- K% I
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SysFreeString(topicStr); R9 m- s6 q, F- _" ~
SysFreeString(itemStr);
; `/ m% E/ e6 n' C7 G8 Q( L请问该程序是获得extend里面的哪个值?
. y' I2 l/ R4 {. a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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