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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:
# K7 K+ C5 `6 t5 wName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (8 H5 L) e z$ ?' W5 l+ x) T6 c
IID_NULL, // reserved
) m8 j; v. g; m, e8 |# I: \9 [* M &Name, // Array of names to get IDs for8 i4 N2 l2 b3 y# a+ N8 y0 e
1, // # of names in the array
& e' D* Z- X3 ^4 T LOCALE_SYSTEM_DEFAULT, // System locale
. s* @$ J L0 Q& d1 a4 v. h &pokeID); // Array of IDs to fill on output+ j' p1 Y/ ~8 h9 v& A: v: `
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if (hr)0 F* H1 D D" ~7 l( l
{
# j1 H/ Z, ~& z6 C: F# ? MessageBox ("Get Poke Unsuccessful");7 h9 y/ [, S0 A8 b2 F2 k! m
return;! K1 \. J$ r+ {+ e; M# v& P2 g
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+ S9 `! C$ s3 s8 k! f* i# S) O% G/**************************传递数据给extend**************************************/
* m2 G& b& o3 Q+ |! @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ T+ }$ |" H0 k/ T" V
# s1 n1 M0 V, c% E
valueStr = SysAllocString((WCHAR *) L"1232");
5 D; q: |' {* Y, o2 y, X# {# c, o VariantInit(&pokeVariant[0]); * s z: U4 ^, b, O4 C4 m
pokeVariant[0].vt = VT_BSTR;
. ]& L6 F- L8 U pokeVariant[0].bstrVal = valueStr;
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* B2 n7 Q7 {5 @: N6 i5 Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 E6 y0 l5 W! q+ a& {# N
VariantInit(&pokeVariant[1]); 1 @. Z, Z# n, t( k5 X7 N! m: z
pokeVariant[1].vt = VT_BSTR;
1 ?2 o& F# v# L0 ? pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
8 j2 v% U$ h1 w' a8 c VariantInit(&pokeVariant[2]);
: V' h& ^- H: S1 u5 z1 j pokeVariant[2].vt = VT_BSTR;8 {. r* z+ g8 E: M7 Z
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant./ w" }' O6 K9 r" Q# G; s
4 D5 p& N: v" [. p- z. e dp.rgvarg = pokeVariant;' [ P% X8 }0 ]( ?4 l8 ?/ w5 ~; [$ _
dp.cArgs = 3;
! b( g! n% ^3 e9 I dp.rgdispidNamedArgs = NULL;7 P) ?! T9 `6 k. ^4 ^! T1 h/ N
dp.cNamedArgs = 0;# j( A+ y8 J1 X$ H" u7 d) q
! _! t7 A) Z+ A1 X// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
3 M% v+ }4 f0 \) ^( B8 @+ r2 h0 b9 t pokeID,5 n9 T7 p6 X+ f' C
IID_NULL,
7 S6 B" n* c) Q LOCALE_SYSTEM_DEFAULT,! K) {; F5 y+ W% c* {% w
DISPATCH_METHOD,
* ^# Q& f- M! L# D q &dp,8 L( h! \4 z; Z4 Z
NULL,
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&uiErr);3 D& T" b1 \# ?# p
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SysFreeString(topicStr);; B: S4 e- F6 Q3 m& g' C
SysFreeString(itemStr);) a( g* E% H) n* x3 A# k
SysFreeString(valueStr);
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$ I& z( b7 n. k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???- I' J; u" A9 z" N* O
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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$ |5 ~' Y4 d* T0 o/ a2.这是request的程序( Y5 F8 V' [! {6 [4 h/ N
// Request a value from Extend1 N6 N! k! _* Q U% y, _2 V
//
- m; E6 `4 m8 J9 T" ^4 R5 R// Initialize the variant that will hold the BSTR. Set the variant's
$ a! d* O* o2 N+ n( K- O: R// type flag to indicate the fact that this variant holds a BSTR. Place the* y, u6 Z; x7 v# R# [" |
// BSTR into the variant structure.( ?* h) s( o6 h* W! D
/ `/ l I7 G% U8 y2 d+ x7 \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( ~& J) Z4 M$ Q' E! p$ E9 v: }# H
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# q* n2 C5 P/ g- O0 _
VariantInit(&requestVariant[0]);
+ \$ q; p! `! h- L2 y2 U" V# L requestVariant[0].vt = VT_BSTR;
$ f: {1 q5 f& X requestVariant[0].bstrVal = itemStr;6 D" g7 W! c4 H. d
9 X! i" b2 u! G) q! s! Q2 `) c2 C3 {
topicStr = SysAllocString((WCHAR *) L"system");1 R( S& a+ q5 a( ~5 n
VariantInit(&requestVariant[1]); ; l; x& [ j9 s$ J
requestVariant[1].vt = VT_BSTR;
3 V$ A( u/ e& w0 f, H. z requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ \9 g$ ] X1 R& H# Y
5 y4 j* m- W( ^# h/ ^ dp2.rgvarg = requestVariant;
4 J, d B1 i% C dp2.cArgs = 2;
# G( r6 l" Q; _" w g9 i( t dp2.rgdispidNamedArgs = NULL;9 w+ ]$ O6 j* I/ J
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke($ F4 i( c; R& a) ?
requestID,
; c/ Q% z+ w+ R2 g" Y: H IID_NULL,
. j; |- G) y" m: }" S- U' L LOCALE_SYSTEM_DEFAULT,
" |5 \" ?& `( g0 ]8 ` DISPATCH_METHOD,' I( t* |3 Q0 ?9 O, n( z3 h
&dp2,
% }/ N" A. R/ v &var,
; k3 c# ]) @0 B P- F) V2 c &ei,. u% c" K/ G& [& j1 U- C7 }1 c
&uiErr);( x2 I3 R h% i, ?- T9 M
3 J( B3 y* _3 A* t) N) y& R' p SysFreeString(topicStr);
, j+ n/ Y4 q, f8 h SysFreeString(itemStr);
) ~) Y* w4 f: A" [6 z# O P请问该程序是获得extend里面的哪个值?9 P; R! E& ]7 K9 B# ?6 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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