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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 z* V; T! R, G/ q
Name = (WCHAR *) L"Poke";$ x6 O' @, s9 w, x, `
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hr = m_pDisp->GetIDsOfNames (- A# J) z5 e' h1 h5 P& g. |
IID_NULL, // reserved' `" w( B0 F" S* r8 b
&Name, // Array of names to get IDs for
9 `+ H! m/ T$ g3 s* l/ \8 {) T 1, // # of names in the array
( q, M: R' Q# ^ LOCALE_SYSTEM_DEFAULT, // System locale9 a- v; b5 o2 W- c: |) ]
&pokeID); // Array of IDs to fill on output
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; X k" q; y0 R3 |$ J if (hr)
2 i. |, u9 B9 L; S# w# d {
, g" A* @1 M. I4 ~( {% E MessageBox ("Get Poke Unsuccessful");. E- z! d& K( ~& z
return;% @- X% V( n9 Y- E
}
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/**************************传递数据给extend**************************************/5 k7 Y; t3 r$ P: S
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
, E7 h1 {( U7 `, L* c1 T" j . b! i, U( n5 M! c/ C: J
valueStr = SysAllocString((WCHAR *) L"1232");% w4 n/ R4 ?: \ L' ?
VariantInit(&pokeVariant[0]);
+ o# S% c6 a$ J% Y9 S) j1 L pokeVariant[0].vt = VT_BSTR;
6 [% {1 ?: j4 c pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 \5 U$ U. ~6 H$ @8 s VariantInit(&pokeVariant[1]); 0 A. S- R7 a; Z! h
pokeVariant[1].vt = VT_BSTR;2 h4 x5 k- F. `/ q) W' j
pokeVariant[1].bstrVal = itemStr;7 G: u: X5 ] O- J* o/ K
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topicStr = SysAllocString((WCHAR *) L"system");! s! T$ \$ D% x5 Y0 o! ~
VariantInit(&pokeVariant[2]);
; W$ h$ d# r6 s( Z pokeVariant[2].vt = VT_BSTR;
/ n4 k! u5 \8 \ pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant." y3 u3 g) ^7 ]! j3 L$ u3 x1 Q
9 h. d6 a* u& _: Z: ^ dp.rgvarg = pokeVariant;! A) o0 `; X8 Q/ [0 {3 |1 U5 `
dp.cArgs = 3;& L9 A; s2 ]2 u+ t) m" _
dp.rgdispidNamedArgs = NULL;/ l- S6 m: P; ]. L! [: @7 b6 |
dp.cNamedArgs = 0;
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" T* @1 q# q" f+ d$ w b# ^// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
+ U x: S2 l2 T# z) V* l A4 h pokeID,; y; I5 e2 P. d' K" Z% x2 z! G
IID_NULL,
7 x- W! Z. P% Q* K9 {/ M LOCALE_SYSTEM_DEFAULT,$ Y5 K8 X# J( ]% m4 o8 s5 c3 \5 D, T4 m
DISPATCH_METHOD,
6 {& Q: k: m% L- o) f$ o) I &dp,
5 k5 E; K/ ~, X0 W6 C- q, Z NULL,, J# L" T& I! M9 f }
&ei,
2 Q8 x' T' P- O0 |* W/ P f* w( h &uiErr);4 l- L! G [0 ~. E; q$ L8 h
7 Y! z- M$ ]+ V3 w9 N! ? SysFreeString(topicStr);/ p) d/ E- y. }' U4 ~( n" Y/ O( R+ c
SysFreeString(itemStr);
# \' R, t5 k2 ~# x% C7 P' y SysFreeString(valueStr);1 h3 W, v7 j$ n2 R
6 S( }' o5 s9 _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???) t& j. y4 G) a$ m9 U* C k
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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9 s1 k5 g9 |- \2.这是request的程序# d/ ^- k( G3 T8 i* B! T* p1 l: m
// Request a value from Extend
) R6 e& b# r- @7 x9 {% T# s//
- ]+ x/ t7 @, w- C// Initialize the variant that will hold the BSTR. Set the variant's; |7 L) Y5 y" r1 x* c4 T) M
// type flag to indicate the fact that this variant holds a BSTR. Place the
6 ^! k! J$ d. A1 ^3 U' v// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);6 E4 P* O) S$ ^ W& x$ F
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# K* k4 G3 |- u% V VariantInit(&requestVariant[0]);
# C4 Q# K2 o2 G8 r. [9 m+ y* B) E requestVariant[0].vt = VT_BSTR;
; ?, H! i/ V. U7 b requestVariant[0].bstrVal = itemStr;
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3 F$ j1 N6 O/ `: J2 X) l topicStr = SysAllocString((WCHAR *) L"system");$ ^4 V' T/ r" }5 H" g3 @+ D7 s$ N
VariantInit(&requestVariant[1]);
; }; O9 T7 V1 y8 e; a5 C4 h requestVariant[1].vt = VT_BSTR;
! E6 e% I2 s: Z7 v! D requestVariant[1].bstrVal = topicStr;1 q9 P# U2 ]3 g, N
6 L+ ~# @& d# C// Set the DISPPARAMS structure that holds the variant.( t' K) l- x8 R+ y1 v. d' i7 ]
1 L0 W6 a H' F# \$ R- P! t" U dp2.rgvarg = requestVariant;
9 h O$ x: H& _5 v: s7 @9 { dp2.cArgs = 2;
4 D8 F& Y/ W3 a; ~0 `. L dp2.rgdispidNamedArgs = NULL;( _/ B) u$ c! g
dp2.cNamedArgs = 0;8 e. M- @7 t: X X6 X3 \: T
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var.vt = VT_EMPTY;
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; e O4 Q& [ Q9 M) [" {// Call IDispatch::Invoke()& T" g! {6 v' }& h
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hr = m_pDisp->Invoke(: T/ d* S" n( E* m9 R% d! c
requestID,
0 Y8 N" F* g l IID_NULL,
9 g* [) N: p6 K5 S* y+ w, y! _ LOCALE_SYSTEM_DEFAULT,0 `' P6 h9 Q# s* |6 [& G0 L
DISPATCH_METHOD,1 A$ k. X/ n* z3 o
&dp2,
1 l1 {+ ~% I# |# K& S) a% j! s &var,& J4 Z2 Y, S7 X# m
&ei,# j& ` Z- H; M8 \* e! Y6 i
&uiErr);8 E5 p4 n7 ~# {# ?/ ?: l& R* {6 {
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SysFreeString(topicStr);
4 S- V! J+ w; S/ [: i2 [% ~ SysFreeString(itemStr);
: I9 v$ c. C& K V* I; v请问该程序是获得extend里面的哪个值?9 j7 \) V) X+ q; _2 U1 R* x) V- Z
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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