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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:; Y7 t* H) e5 D0 k& _' T
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (! ?" h4 o- x( V
IID_NULL, // reserved/ J. @+ [5 ~/ ?/ m: S5 k
&Name, // Array of names to get IDs for
; j( N4 r1 f+ V' [ 1, // # of names in the array
; x( m# Q" ?& o# C) F LOCALE_SYSTEM_DEFAULT, // System locale. r: L. i3 g- |9 w4 Q
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");) R2 d7 y5 M. f/ N7 r8 |
return;
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/**************************传递数据给extend**************************************/
0 q a$ G+ }5 O1 W/ h. W7 D$ Y; H- R pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ H( }$ h5 z! k) t
' n+ j9 m1 I4 P4 ~ valueStr = SysAllocString((WCHAR *) L"1232");
% s$ a! [+ i3 h2 P* ? VariantInit(&pokeVariant[0]);
# l& Z- X' j9 H( f8 l pokeVariant[0].vt = VT_BSTR;
4 @1 s! u2 U/ Q8 h" } pokeVariant[0].bstrVal = valueStr;0 ~ F( i5 Z6 U4 `/ T/ |0 {
, G/ u& p/ {! @" \2 w itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- s9 T. E* q9 E2 v VariantInit(&pokeVariant[1]); / ` }+ }! n, l: [( C: U
pokeVariant[1].vt = VT_BSTR;% Y2 ?9 W; X" B$ b& ^, ~, }" [
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");1 S+ Q3 u. K" U, d( K( d
VariantInit(&pokeVariant[2]); 9 c# f; i, W$ J7 ?# ?1 y. S
pokeVariant[2].vt = VT_BSTR;
* `2 O8 X0 T- X pokeVariant[2].bstrVal = topicStr;0 I2 |) F# X- x; z! U& @! x* _
' ]* {$ z+ i/ Z' Y6 V// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
( D! a' L: e, s6 f dp.cArgs = 3;* G+ O5 U1 i) \0 h4 B5 g F3 w C
dp.rgdispidNamedArgs = NULL;
, x6 D5 I% Y8 F( T dp.cNamedArgs = 0;
+ s. s$ G4 m: Z) }
" w, s }4 l9 Q+ F# |) Z7 |// Call IDispatch::Invoke()
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% d* G# ?$ G& j hr = m_pDisp->Invoke(, E. N& r! B- |$ B+ }1 _
pokeID,
/ v8 F3 F3 `; z* W; m4 F7 p* C IID_NULL,
3 e! u7 D% u0 t0 ` LOCALE_SYSTEM_DEFAULT,, u3 [$ B0 I: f, U
DISPATCH_METHOD,
1 J& {8 [) C& P &dp,1 f, B+ w g8 Q! u+ r& @
NULL," Q* h$ l6 u. ^: Z' V
&ei,
. k: y6 L+ |# O8 v; {6 m- w &uiErr);
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' N3 w; \" X3 T$ g SysFreeString(topicStr);2 r1 K3 P# [+ U u o* A) B
SysFreeString(itemStr);) ?9 Q8 ~! j+ X3 }( E
SysFreeString(valueStr);
; {$ ]9 }- e; P% d: t2 \$ Z# `0 }. x. N0 R! O
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???
% ?" b8 H F/ @+ q, w) Q3 ?* ]) ?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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0 O) z; Y' a' S, ?) Z7 S! H; `2.这是request的程序
, Q: w9 L. D# l; |; y// Request a value from Extend* ?; i- p8 v- I- F
//
& a7 K& {( G& _: S$ F1 B0 Z// Initialize the variant that will hold the BSTR. Set the variant's# J8 w) B$ q, M1 K# y2 a
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 I5 t9 D, t1 n2 v( w// BSTR into the variant structure.0 v3 b' y+ t. ^6 H. T! g# g
& [) D: S6 @( \, v6 {$ b. U: ^$ x. y' I requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ E4 O* D% M/ E. P9 y1 ?
4 [+ A: }- u& O0 K* k O/ ~" p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; V; ?9 P" N5 p) a VariantInit(&requestVariant[0]);
! i& q# d/ z7 I* D! @* j requestVariant[0].vt = VT_BSTR;
. ]5 P; @9 w. l0 ?5 a( c requestVariant[0].bstrVal = itemStr;
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# Y L% w. G3 r5 q8 } topicStr = SysAllocString((WCHAR *) L"system");6 p' j: G% y) s& h8 O- y% T# ~. F
VariantInit(&requestVariant[1]); 2 J8 P' N, f5 s4 W
requestVariant[1].vt = VT_BSTR;
" P, X X! k3 ]+ P1 w requestVariant[1].bstrVal = topicStr;# t) b g1 {5 _5 \8 {$ a# U
. \; N+ Q; W" o- H// Set the DISPPARAMS structure that holds the variant.
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3 W' ~$ \' |7 }' x* v7 K dp2.rgvarg = requestVariant;; a# d) h2 L) f; d. z
dp2.cArgs = 2;1 h1 i/ s+ \3 S0 U1 D1 h' S
dp2.rgdispidNamedArgs = NULL;
/ s Z# G( S2 p! s6 M% n! Z! H W dp2.cNamedArgs = 0;5 U( C( v* x5 I) Z5 H' V3 {- ^+ w
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var.vt = VT_EMPTY;: w2 n/ Z, _" W
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// Call IDispatch::Invoke(); S8 W8 B i7 G# A+ d
; U2 L |+ c3 e hr = m_pDisp->Invoke(
: e C1 d4 V) Y requestID,
9 O: A5 _ L5 l- t* t+ ^/ _4 h IID_NULL,
: K7 J, n0 I9 {3 |2 D LOCALE_SYSTEM_DEFAULT,2 w% `& f# q. x: I: J; [
DISPATCH_METHOD,
2 O% k& c M% d! }7 i5 q' d- W &dp2,/ K8 O& L6 \" [. ?
&var,
S- v! A& F* X1 ~7 u &ei,
( Y4 d- p) \) G, p; U" V6 u &uiErr);5 d3 T" t! g- C1 u
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SysFreeString(topicStr);) {- g# ^5 W5 Y+ N! V5 K9 s3 |4 u
SysFreeString(itemStr);7 g, {/ S5 ]/ r( u! u; K
请问该程序是获得extend里面的哪个值?5 A2 |$ R t# o. p1 h
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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