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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:
% A, H% q; Y r6 |) R; C! ~Name = (WCHAR *) L"Poke";% ~. i/ u& Q; D8 G: R( i
# Z* O! q' d. ]) t4 }+ @) h hr = m_pDisp->GetIDsOfNames (
0 O3 |: J4 ? y IID_NULL, // reserved7 ]; I: Z* o1 b: I4 N( O
&Name, // Array of names to get IDs for
3 N6 H! j9 X, R- K6 g8 O6 { g 1, // # of names in the array6 [$ V% t# P# m. u) [
LOCALE_SYSTEM_DEFAULT, // System locale
* s; T* V8 h( \* Z1 f# ~' }# Q &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");% H# b$ `5 U5 z1 n
return;+ l. F) e5 |+ I8 s" U9 o3 q' v: h
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1 ?0 Z- v# F/ I" \, h2 h; X) k/**************************传递数据给extend**************************************/* T: }5 A* j; u- ^
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
4 _4 {* f5 a9 v6 a# ?" }" a# Z VariantInit(&pokeVariant[0]);
# y$ v8 u3 e' [/ ?$ A pokeVariant[0].vt = VT_BSTR;6 p7 S% O- e9 J: f
pokeVariant[0].bstrVal = valueStr;1 J( S9 ]! C/ ?" D* i
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 l; r7 j( h" i/ K' _( k! b
VariantInit(&pokeVariant[1]);
% e4 x7 u: J* a6 A( V; P pokeVariant[1].vt = VT_BSTR;
! F7 ~- y- W' }2 p: {4 ], e. f& u pokeVariant[1].bstrVal = itemStr;6 K2 o: O/ h# J7 E+ z2 V
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topicStr = SysAllocString((WCHAR *) L"system");: @! R) S# w1 X4 j+ @, E
VariantInit(&pokeVariant[2]); & J; X# B/ f1 i+ g. }; ]; x
pokeVariant[2].vt = VT_BSTR;2 h+ c0 y9 d( e5 w
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.5 M: O9 Q0 D$ [+ J+ L
0 ^2 J. L- K- }+ D dp.rgvarg = pokeVariant;6 E! M) ]$ p2 }, H _6 I
dp.cArgs = 3;
3 Q6 |" b' W" j dp.rgdispidNamedArgs = NULL;' k/ `; A2 C+ T' o4 q5 O& d# F' U
dp.cNamedArgs = 0;, H! {6 d- w6 S* U5 S* O0 A
( W0 T( y2 {. J4 {- X3 _// Call IDispatch::Invoke()
% L. c- ~6 h* n
$ P$ Y4 M, M! j7 a hr = m_pDisp->Invoke(
8 @; B$ j, A& [; d pokeID,5 v4 p! p( Y; B6 s+ M% T
IID_NULL,3 i6 N# c% Q0 D7 }" Q* G* R$ V0 Q
LOCALE_SYSTEM_DEFAULT,
6 r+ v. x, M l" ~ DISPATCH_METHOD,7 V: H5 p" u' i0 J) a) z
&dp,; E- j; R0 Q# \9 G! l
NULL,0 I/ U$ q8 ]5 a- J! B3 t
&ei," H6 R# v5 \* t
&uiErr);2 ~% Q! @+ Q: @ C
+ @1 I, [2 x" \- S$ Y SysFreeString(topicStr);) g, S1 L5 J: s7 v9 Y
SysFreeString(itemStr);
8 H: b8 P7 M9 P! ?( `) h# _% d* T SysFreeString(valueStr);- S. o+ m% X# i0 ]
3 O1 W9 w4 O0 v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???
% B3 i- y7 p& A* ]9 o6 K" ~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& x b/ _+ Q- N
// Request a value from Extend
7 Q# J* Y# R$ h- l//
+ I. m' z' y# P# W// Initialize the variant that will hold the BSTR. Set the variant's+ V9 g$ t2 ?9 u' S$ S. p$ {
// type flag to indicate the fact that this variant holds a BSTR. Place the( H; F5 T8 g {$ ]5 B8 p3 K/ s
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 _# ^% {- G; o1 v% m3 a7 W0 y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) j/ ^0 C+ @$ ?. L! p0 c VariantInit(&requestVariant[0]);
1 H' p: r2 I7 Q' H; U* D3 L; P- X requestVariant[0].vt = VT_BSTR;% f5 V `4 |& P2 v
requestVariant[0].bstrVal = itemStr;+ }- I4 n# `) d
/ `) S3 b, S+ @ topicStr = SysAllocString((WCHAR *) L"system");( ^$ R% w5 u: C; E5 c% n; a
VariantInit(&requestVariant[1]); ; S1 @. y9 E% w8 r" p+ X# n
requestVariant[1].vt = VT_BSTR;+ d+ [' i# `! L! I
requestVariant[1].bstrVal = topicStr;) _6 L7 s; b3 \+ ^- j
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// Set the DISPPARAMS structure that holds the variant.4 ~( S! V* ^! h3 C9 J) U
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dp2.rgvarg = requestVariant;8 k9 T5 P/ k. Q4 S6 }
dp2.cArgs = 2;
8 A/ C& t* `4 o" S: J dp2.rgdispidNamedArgs = NULL;
* x, [, p& J7 h5 V dp2.cNamedArgs = 0;
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8 h- Q( }2 T' f var.vt = VT_EMPTY;9 w: @7 }& X( P E( B( F; @
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(# i9 {5 v: |( x, d; u/ K9 T/ |! D
requestID,
. H, _6 p1 E j" Z8 ?" \2 D, h0 x IID_NULL,* z- t4 Z' u# c8 x+ R1 x. {
LOCALE_SYSTEM_DEFAULT,
) W+ `0 M( H' C! @1 G DISPATCH_METHOD,
7 }+ k0 R j# h7 v6 ? &dp2,7 n" E' ]6 @! P
&var,
2 h& a. C: V, Y" r( I &ei,
- v. p9 J% f9 n: X# N &uiErr);
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SysFreeString(topicStr);8 @$ O. k C" F
SysFreeString(itemStr);
' |; \0 O2 d; _3 F- z" O2 r请问该程序是获得extend里面的哪个值?
) Q2 `# j. d( G3 U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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