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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:$ ~+ c& y' A" e$ C7 H% s
Name = (WCHAR *) L"Poke";0 i6 g5 {! c5 T* R1 D# Z" x# A
1 l2 s: t k/ w hr = m_pDisp->GetIDsOfNames (
( T5 a8 L9 A8 ~ IID_NULL, // reserved
- X4 J( Q+ L! c" ?3 D &Name, // Array of names to get IDs for
; J( a* _$ j6 N7 }- r7 E 1, // # of names in the array- F0 ^/ p# ^* G4 `; [! [! {
LOCALE_SYSTEM_DEFAULT, // System locale
+ o1 S# Y5 ^4 L2 C &pokeID); // Array of IDs to fill on output
$ x5 S+ [( Z* F+ C2 Y+ c% \ / _9 p+ e! l5 ?8 K2 g; e
if (hr)
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MessageBox ("Get Poke Unsuccessful");4 ?1 n# D! n. c X+ ^! L6 a: `
return;
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9 l; q0 L1 w2 a9 v4 [/**************************传递数据给extend**************************************/5 ^4 Q) k$ A, A" k
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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0 Q9 _# |; d. l2 o valueStr = SysAllocString((WCHAR *) L"1232");
7 G9 D9 Q6 L b F# V; F VariantInit(&pokeVariant[0]);
! A9 p K% }* C pokeVariant[0].vt = VT_BSTR;* o4 f* o, z" V2 g
pokeVariant[0].bstrVal = valueStr;# `4 K: h" W# p% \2 d
- [/ F: ?0 I6 Q! Y; a3 ^
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 q: m, J3 w0 U+ _- f' l' j VariantInit(&pokeVariant[1]); 8 `9 b+ `& q9 H" }
pokeVariant[1].vt = VT_BSTR;0 B& H+ f! l3 D* {6 E0 m- B. \+ V
pokeVariant[1].bstrVal = itemStr;
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! T$ `3 N* x+ M& S' f3 C! A topicStr = SysAllocString((WCHAR *) L"system");6 L$ |% S& m) f, m/ V
VariantInit(&pokeVariant[2]); ) k' d o. W; n, o6 ?0 ~% `- L3 |% W$ ~: D
pokeVariant[2].vt = VT_BSTR;* v- y6 i5 G5 t- ?
pokeVariant[2].bstrVal = topicStr;) H- G# A1 z" Y, a
6 P5 c) ~) i1 k0 ^1 [3 ]* q' E// Set the DISPPARAMS structure that holds the variant., p9 E2 ^0 |/ F2 s) f J9 X
2 c% p& J9 y6 p, V, Z; f dp.rgvarg = pokeVariant;& L6 N, W( t* w" d" B; z7 b+ _
dp.cArgs = 3;
: @2 I, I% E1 v. x. A dp.rgdispidNamedArgs = NULL;
( T# A2 v' G1 R, C dp.cNamedArgs = 0;/ W1 W! n( ]9 k7 l( ^8 H, L3 H
8 L& E( }0 t9 ]7 o& y// Call IDispatch::Invoke()
" `" H* h1 t- I
: |& j" x/ D9 }* i8 l7 { hr = m_pDisp->Invoke(
- ?" T& Z& J( G+ W! q pokeID,$ b0 r V. ^ ~8 Y X+ ?# e
IID_NULL,
& I9 q5 j* r7 g* Q LOCALE_SYSTEM_DEFAULT,0 P4 M4 F3 G- a. K% d$ O
DISPATCH_METHOD,+ @" B* I a. G5 e# e4 Y. W
&dp,
8 b1 M! }# i9 f5 Q NULL,
$ ]: F2 P6 T7 J8 }. A4 L &ei,
/ x; P! Y6 j1 y! ` &uiErr);) y, }1 ~/ {/ u# S7 ~7 [: r
8 l0 `, g* B+ P# ?) j6 G" w+ @ SysFreeString(topicStr);
; K+ A; R- D0 a4 i. C. ]3 n5 E9 I8 s SysFreeString(itemStr);
; Z5 X5 y7 l. v" ?$ ^ SysFreeString(valueStr);
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, Y6 u% F! K6 R! U; C( }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???
! b- b4 o z" _6 ]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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- n6 W4 D t% I y4 G! F5 d2.这是request的程序
7 T4 t; G2 g( q6 o5 ~1 L3 _// Request a value from Extend
6 S" [1 D" J$ m//
: s$ ]) q9 {6 G+ _. H/ R. r// Initialize the variant that will hold the BSTR. Set the variant's
; ~( [# x( r/ J// type flag to indicate the fact that this variant holds a BSTR. Place the
$ C) V G0 Y% t. Y4 W% @& K6 J+ r// BSTR into the variant structure.& O( j4 ~* `; t, p1 j( s# Y/ x
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* J$ K7 H5 H/ _: R- `" |
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* m3 O! q& @, q% }8 d9 \% |! m# B
VariantInit(&requestVariant[0]); ) r$ r# v/ P. }: d; S% L/ A- |
requestVariant[0].vt = VT_BSTR;5 _5 G/ v5 K2 m5 } X, }8 b+ M
requestVariant[0].bstrVal = itemStr;% J! t! O* d$ _- N9 q
1 O3 F; v; ]6 z( s0 N2 x topicStr = SysAllocString((WCHAR *) L"system");
2 S0 L6 F( d' ` VariantInit(&requestVariant[1]); + j( U8 r3 P q* w+ A3 S( z
requestVariant[1].vt = VT_BSTR;
! }, \( u/ h- K/ M4 x requestVariant[1].bstrVal = topicStr;: \2 g7 N3 \" }- ], D0 r
# c& K- i k T! Y v6 r// Set the DISPPARAMS structure that holds the variant.
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$ t6 e: u0 j b) R$ F" ?% ` dp2.rgvarg = requestVariant;2 |- H! J6 A% {6 E+ C3 _2 Y4 y, ~
dp2.cArgs = 2;
) w8 O( g& r+ n8 e dp2.rgdispidNamedArgs = NULL;
) ~- X, B( s$ Y* Y* [9 Z dp2.cNamedArgs = 0;( Q* }* e! M |
) K- b4 ^9 |4 V# X; Y6 z( p var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()& O! z# q: J. m- C# g! |6 V4 M1 J
" ~7 [9 I) s' [$ N" i6 K/ o- w4 @ hr = m_pDisp->Invoke(
, h( u% x& G8 x requestID," W1 c# |! u% s% S" p6 O g
IID_NULL,/ T9 l! k" w* z
LOCALE_SYSTEM_DEFAULT,
! ^6 z7 K7 ^2 N2 ^( a M1 b# Y DISPATCH_METHOD,& X& w3 ~& Q) M8 _9 c% u
&dp2,* B# g2 B) n" T0 Z& ?% E0 N
&var,+ @+ M- I; r, @. G* V
&ei,
5 O* g6 c/ |2 S2 r' D# ` &uiErr);
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/ Q& c; b. z$ K) P- L- e SysFreeString(topicStr);
6 _4 W% l/ F/ `5 a. o) l. U SysFreeString(itemStr);. r+ c( t4 V1 w# n- X8 H/ W F
请问该程序是获得extend里面的哪个值?+ t# L' L) X4 ?" Z/ v& b
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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