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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:3 t) ?- v5 h1 H( l; Y
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (, Y& s$ O9 Y/ m1 t; I3 q( H
IID_NULL, // reserved
, I" a( R2 M$ {% f &Name, // Array of names to get IDs for7 B- S& V% x* o8 z3 ?6 F
1, // # of names in the array! o+ d2 C x1 E& B! O( t
LOCALE_SYSTEM_DEFAULT, // System locale
% c6 s' |6 W# o; A% ]6 A7 @8 j &pokeID); // Array of IDs to fill on output
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if (hr)" U9 O/ c( l! Q7 p( g
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MessageBox ("Get Poke Unsuccessful");" l ~2 m: }5 O' ^; z( M
return;- |, ~) @- n; y1 y
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/**************************传递数据给extend**************************************/ u6 a9 Y+ k2 h& g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. {( k* B/ e) C9 F2 G+ \! ^
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valueStr = SysAllocString((WCHAR *) L"1232");$ J3 B1 O$ }2 N( @3 ~
VariantInit(&pokeVariant[0]);
* h) v0 e: s& H; s1 n% T x pokeVariant[0].vt = VT_BSTR;" N! e* i" d& A5 ~ x
pokeVariant[0].bstrVal = valueStr;. G. J, _- a$ K; b8 S: |3 l
# Y. e2 c, I& m7 m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 Q7 C+ h _0 z) T# ~5 n& \- P
VariantInit(&pokeVariant[1]);
# K" r: f7 ^7 d8 H2 ?6 H5 Q$ Y pokeVariant[1].vt = VT_BSTR;! W" o" G9 E$ h4 k, a* [
pokeVariant[1].bstrVal = itemStr;2 i( {. Q/ j& P( b* y
! p& X; ?9 i4 x$ S topicStr = SysAllocString((WCHAR *) L"system"); P- W) a8 e) ^1 v+ D: J* t0 d
VariantInit(&pokeVariant[2]);
; T0 ~2 w6 b3 c" p pokeVariant[2].vt = VT_BSTR;
4 i3 x: }9 v# S pokeVariant[2].bstrVal = topicStr;/ |$ e# W7 [& _: G) m( ~5 v. W3 {, B
6 K3 u; [- e4 `' L* S, v// Set the DISPPARAMS structure that holds the variant., O4 ]9 {) f6 w- w' y: F1 N2 D
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dp.rgvarg = pokeVariant;
" U6 Q! J/ C$ k! E& ^% _ dp.cArgs = 3;8 ]* g% N( ], ^( t) w* I: Y$ {
dp.rgdispidNamedArgs = NULL;
0 ~: |' h5 O* \; r9 W/ v dp.cNamedArgs = 0;, @* Y% ^" Z7 a9 ]8 c t8 `
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// Call IDispatch::Invoke()- Z/ H, s7 s0 I5 D
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hr = m_pDisp->Invoke(& ^/ {/ g4 {! [$ i
pokeID,8 U) k; L' _& {: Q1 `) ?0 _' }& _
IID_NULL,
# H! L5 R+ L- W* B" _ LOCALE_SYSTEM_DEFAULT,% S$ g8 o- t3 E# i& N2 Q, ]
DISPATCH_METHOD,- o4 G9 R4 m: L7 U
&dp,2 F" [! p. t4 b. u
NULL,4 Q1 ~3 [" z6 H! }* l. H) Y/ b
&ei,# C: a3 v/ E% p+ L9 |/ j
&uiErr);
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( F6 t" Z* J1 `; ^ SysFreeString(topicStr);
& s% l/ A- p/ K+ E4 ^ SysFreeString(itemStr);' E4 U8 e& z/ n4 {4 d
SysFreeString(valueStr);
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$ m- m& M; a( U; D# F- H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???$ g* Q0 v) i3 |5 d- S' P; P
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????" d% P; U# X$ O# E
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6 _2 j. D- g& f$ U: k9 h2.这是request的程序
2 k: Q5 ~8 }% Z8 p* d% x// Request a value from Extend
" c! q0 _5 O$ O4 a//
1 X. Y( Z9 {1 {" R! p7 y" ~// Initialize the variant that will hold the BSTR. Set the variant's
; m1 A, q9 q$ [4 m$ x4 a2 f6 h// type flag to indicate the fact that this variant holds a BSTR. Place the" ~3 c. o) Z" q5 f3 E4 c; p( c; t
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 I+ ^; h0 w |. n& K. H; d5 Q
VariantInit(&requestVariant[0]);
/ f% S; l* L3 t. h, l* b+ H requestVariant[0].vt = VT_BSTR;, O' ~0 X% W1 |
requestVariant[0].bstrVal = itemStr;) a& L$ @& C/ f# y/ l1 y
9 c7 w5 [2 ^0 E& t x) z topicStr = SysAllocString((WCHAR *) L"system");
" Q$ Y! R4 G9 a5 |: s4 [ VariantInit(&requestVariant[1]);
6 \& w6 x5 ?0 B requestVariant[1].vt = VT_BSTR;' ^1 j! o+ `# N: x4 \
requestVariant[1].bstrVal = topicStr;! t( i8 T2 E: [) u
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// Set the DISPPARAMS structure that holds the variant.$ f. p6 y$ [$ n3 e$ P' Q
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dp2.rgvarg = requestVariant;
5 R' w! y# C& z# B dp2.cArgs = 2;, Z5 I" I4 y+ |
dp2.rgdispidNamedArgs = NULL;# r+ V O& P; L" \% Z
dp2.cNamedArgs = 0;2 Z& M c2 p7 O3 |/ \% i) I
( v) b0 N& `% y7 J% U6 \ var.vt = VT_EMPTY;
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( |$ ^: X) ^# H) E, r# x P// Call IDispatch::Invoke()
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7 ~* s. |+ }* d9 c9 W' [$ f hr = m_pDisp->Invoke(: Z$ C/ Y% s" h3 Q' ]
requestID,
# I+ l4 f, J* |& ~8 b! s) K) V IID_NULL,
; N b( U. L7 f2 Y LOCALE_SYSTEM_DEFAULT,; }* g( x+ L' ]: N0 K3 u
DISPATCH_METHOD,
$ i5 D$ K1 D D- Q- p' J: R7 K &dp2,
( H9 P" S( F% u8 ^5 y &var,
8 j/ G+ N6 I _' s5 C' f5 `4 \ &ei,2 ]) {- @# ^- Y0 K- E5 m
&uiErr);$ N) ^# R2 M: t) X
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SysFreeString(topicStr);
2 l8 b9 E4 g2 Y/ k1 | SysFreeString(itemStr);3 R# `$ s$ {0 V1 ^9 Y, i
请问该程序是获得extend里面的哪个值?" ?% q Z2 a. u t0 ?0 m& @
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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