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:
6 h6 P, T: c7 @ Name = (WCHAR *) L"Poke";- u6 J: D8 K9 _* ~$ f1 ~
0 s! [7 C z4 N3 K+ K hr = m_pDisp->GetIDsOfNames (7 A8 D1 ] e; l6 B: h3 w/ S
IID_NULL, // reserved3 k( m! ~) P }7 l; t( V
&Name, // Array of names to get IDs for/ s$ M% E' q* [" ]
1, // # of names in the array
6 Y. V1 b/ x, \/ J9 P LOCALE_SYSTEM_DEFAULT, // System locale
7 H/ n, o# Z1 J* w. O &pokeID); // Array of IDs to fill on output+ h" x4 s- e/ S+ J: g+ v$ T8 B
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if (hr); N7 ~& _+ W3 W- z4 G& X/ V
{
3 r! }" f8 v1 E' @ MessageBox ("Get Poke Unsuccessful");9 R* H2 j J. D# S1 x" j
return;
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3 }" W' R. y3 t# X4 e /**************************传递数据给extend**************************************/
; J0 z3 F& }3 u6 @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; ]5 J8 }% x& s' T- A7 p& S. x0 V! `
. _3 D+ |1 y% Z2 ~# A valueStr = SysAllocString((WCHAR *) L"1232");
5 v- M1 g( I6 Z R VariantInit(&pokeVariant[0]);
# ~2 o& N) b# G( E pokeVariant[0].vt = VT_BSTR; `/ ^8 r& G+ m5 q* o8 I1 v
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ J; e9 ]4 e* b+ ~
VariantInit(&pokeVariant[1]);
5 j0 y6 U k9 T* A8 W0 { pokeVariant[1].vt = VT_BSTR;
4 w# b" x; D2 v/ v pokeVariant[1].bstrVal = itemStr;
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9 k6 R; u& J S: { topicStr = SysAllocString((WCHAR *) L"system");
1 _+ ~* @; ?6 p. r" c VariantInit(&pokeVariant[2]); 9 b8 k) q+ B, i7 n
pokeVariant[2].vt = VT_BSTR;7 k1 o6 ?4 j8 p& O" w y
pokeVariant[2].bstrVal = topicStr;
6 K- @ ^ z. ]
8 {3 \0 _+ i) m2 s5 \+ b // Set the DISPPARAMS structure that holds the variant.
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/ q: g3 G6 \# I: }/ l dp.rgvarg = pokeVariant;: k$ R2 z0 k; x' G6 Z
dp.cArgs = 3;
$ p6 z5 I+ i# P- C dp.rgdispidNamedArgs = NULL;
$ ]8 f8 U, Z: Q9 R0 g# X( D9 i$ k! O dp.cNamedArgs = 0;
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4 Y& R4 Z0 A6 }, \# E% @* w' Y* K$ G // Call IDispatch::Invoke()
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9 [' [ D! M) h: X: l$ w! E G hr = m_pDisp->Invoke(, u* e" s) J `
pokeID,% |- _' D0 I1 y! [9 I! [
IID_NULL,
/ [* q# Q1 V) ^6 p: k0 B& T LOCALE_SYSTEM_DEFAULT,
4 Y7 U' ^2 w+ O Y DISPATCH_METHOD,4 |( q$ }( x. {# F/ }$ H
&dp,
8 [1 A- X$ O& T9 Y4 E" s. [ NULL,
6 q# E% V' P" u/ _/ ^0 W &ei,: N2 C; }1 G, I p* }
&uiErr);
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+ S, p+ ?2 `6 j, {3 X% w( U SysFreeString(topicStr);4 q% [. V7 D; f9 [. ?. K* t
SysFreeString(itemStr);
0 d T3 F0 y+ R1 ` SysFreeString(valueStr);6 ^ V% K7 x0 U% [) P; B" ], q
N f# S: u& E' r
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???0 t# X( X$ e- Q8 \) R
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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1 P4 K& Y. I0 B2 U8 r4 n+ H n 2.这是request的程序1 |- }$ H1 s% m% ?* m! J
// Request a value from Extend
& d$ ]; q9 E, W& _* E: J //
$ l- ~3 B) L# F# j // Initialize the variant that will hold the BSTR. Set the variant's
* {3 }6 L+ z6 T! C8 E2 ^ // type flag to indicate the fact that this variant holds a BSTR. Place the- ~0 d, w3 i; E
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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! ]3 |6 s2 L, @. n8 x. C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% n+ O+ y3 B( X# | VariantInit(&requestVariant[0]); 6 r, N1 D1 h& v9 v* T" c& v9 Z6 c
requestVariant[0].vt = VT_BSTR;
% W) t$ q8 O' u, Z( R* K3 P9 ~ requestVariant[0].bstrVal = itemStr;8 d7 g7 v+ E% _( f. q9 T
- h9 H9 T3 z8 @7 V! @ topicStr = SysAllocString((WCHAR *) L"system");
# W) l' ]: B& i% q! i9 g& K VariantInit(&requestVariant[1]); 6 p) @: {( {! _# \
requestVariant[1].vt = VT_BSTR;
. m* _- F. c8 Q/ S; W- o: G8 M requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.) c1 y" _- l% g R6 L' V* q: g! \
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dp2.rgvarg = requestVariant;
" C# z6 |7 i4 {2 g- L; f( ~% X dp2.cArgs = 2;
; T6 R" c+ G" u- s* o2 J# b& L' w dp2.rgdispidNamedArgs = NULL;; }4 }/ E+ ^. f5 |/ L3 a0 ?' F
dp2.cNamedArgs = 0;
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0 C# j1 c2 [+ a ^' r9 _: m var.vt = VT_EMPTY;
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6 a2 u7 }. d6 R" S0 z // Call IDispatch::Invoke()
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3 I! D U4 u$ N hr = m_pDisp->Invoke(# D6 y1 x3 w/ b% Z4 Q9 D" l
requestID,
2 Y$ p6 b% b2 q ] IID_NULL,0 g) A5 t: v* i
LOCALE_SYSTEM_DEFAULT,4 x ^; C5 ?+ x# y7 H' B
DISPATCH_METHOD,* t7 E; D! [- p& J% D
&dp2,7 t; p5 x: [3 g) W t: i
&var,( t- P q+ `2 W2 O A, K
&ei,
: B0 d( s% w7 [! ]0 j &uiErr);
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SysFreeString(topicStr);
# m7 I1 T9 r7 L0 a' [3 d SysFreeString(itemStr);
6 ]# R' z7 k; i: {- j8 _ 请问该程序是获得extend里面的哪个值?
0 w/ k0 H+ B% {4 s# }' y 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????
我来回答