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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:
+ e2 j5 l, v: y& j" G! mName = (WCHAR *) L"Poke";
% p# l2 I& F/ b- ?, _+ u' o ( t: ~: {" C$ \' G- x0 D. d9 |5 _
hr = m_pDisp->GetIDsOfNames (
1 ^5 u1 I& _1 d1 e IID_NULL, // reserved- w: W8 f8 J5 F- G
&Name, // Array of names to get IDs for" [4 b8 S. v: ?! @* K: i
1, // # of names in the array
5 c1 A8 I9 _( G* P/ H( \ LOCALE_SYSTEM_DEFAULT, // System locale# r: o2 `/ u# c# A& X
&pokeID); // Array of IDs to fill on output
: E; M6 i8 @' |* a( ^
7 l/ o V( p' U) @" J if (hr)
- R/ v; S4 W) s- w# r/ a6 t {
6 p- q1 c* O6 ]/ o2 K) ~* g MessageBox ("Get Poke Unsuccessful");
( a% g# P+ L) u" p9 t5 z return;
/ s/ N6 d( q' W5 a- M+ d3 \/ X5 F }- M# @' m& |8 N( ~2 C
# j9 C% u9 o ~0 K& y; i& F
/**************************传递数据给extend**************************************/
& A+ t; S$ F+ w) a" S$ A0 D9 F pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% Y3 { c0 z0 y0 w* f4 q
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valueStr = SysAllocString((WCHAR *) L"1232");$ l. F; w! n E4 ^8 p: O' T& ]
VariantInit(&pokeVariant[0]); * C; I) J) l0 Z
pokeVariant[0].vt = VT_BSTR;
/ t* w4 m& n/ Q1 X! k pokeVariant[0].bstrVal = valueStr;
! {. C$ S3 S t9 v1 |7 d- j- `, Q7 X& z5 a/ }0 Q4 i/ J! m3 v
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 a4 W7 m6 u: d. A" q* U5 i
VariantInit(&pokeVariant[1]);
5 v* F( r0 o% u" U4 s. B; f2 L pokeVariant[1].vt = VT_BSTR;
4 t7 | b. m" F: R$ N* b pokeVariant[1].bstrVal = itemStr;) e: w% F2 F, O
* |3 E6 C* i/ Q; n( ?9 C
topicStr = SysAllocString((WCHAR *) L"system");6 Q6 }3 J" ~4 K9 D+ g
VariantInit(&pokeVariant[2]); 1 M! E, n6 @( z* J" e" P7 |
pokeVariant[2].vt = VT_BSTR;; p* W$ L4 D7 u6 b( p) t
pokeVariant[2].bstrVal = topicStr;: W" d | _7 F$ V6 k; a5 Q0 f
# m% ^. j# J2 u: c# x7 ? |
// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;9 F, m' ]3 ~9 g1 b8 h. l1 U
dp.cArgs = 3;
" `& q7 m+ B$ D# f' z9 Z dp.rgdispidNamedArgs = NULL;3 T, s) [5 C. n: q4 w4 ]
dp.cNamedArgs = 0;- V' R- [0 k6 S# E/ r! D6 c
$ G% `/ J. A& w5 v$ X: _// Call IDispatch::Invoke()
+ H7 @- z) G- ?- W/ y/ U
! |9 o% {2 Y" k6 ]% i hr = m_pDisp->Invoke(; y+ q, {" W5 F }
pokeID,
& J; C9 W- N' C# P IID_NULL,
0 [; W1 \" x+ R7 \ LOCALE_SYSTEM_DEFAULT,
2 x f8 z# R4 g DISPATCH_METHOD,5 K* }* y/ G% g6 Y! N
&dp,+ h2 |: |, G, p" `4 V3 l/ K% z! s
NULL,1 x( b0 I; c# @2 P& I. g
&ei,
2 J) D0 s# d$ j2 [! y &uiErr);
' x1 I } L) D# }4 k: w$ J
- M% K5 E- Z/ a- c( J3 S5 m SysFreeString(topicStr);* Y' Z$ j7 f# n. k1 J# P4 z
SysFreeString(itemStr);, }5 w, A* N+ ]9 s& |' ]
SysFreeString(valueStr);
7 w3 G8 @) m; T( z w, {( N" Q+ X9 x6 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???, H& }7 k( B% F, Y+ Q( e
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????! y3 d9 ~/ n; X! D8 _
4 ^/ [+ V. U. j8 y8 v/ x E- y6 X( N# {) I! p1 ]; I8 N2 J
2.这是request的程序- G# W& n* N; I* _& m
// Request a value from Extend9 ^$ j0 t5 a' Z" r" K/ e- r+ b
//: U. c% l7 o7 T/ F; d% O
// Initialize the variant that will hold the BSTR. Set the variant's
! W' i: f# D, r; l& i// type flag to indicate the fact that this variant holds a BSTR. Place the
3 l3 \: \) q% d7 o. m" M9 p) i5 o// BSTR into the variant structure.6 y9 e* m9 ?! e( T* k: S
+ }! n1 h2 F: }& ^& \! c2 Z& w' F
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
. i! T% ?/ O% _+ d* j % l+ \5 ]- u, r
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, O' _% p; t7 b7 @* e x VariantInit(&requestVariant[0]);
3 V# u; f$ g' C* F6 Z requestVariant[0].vt = VT_BSTR;
: D$ s- u* O1 {: C" a& o! k requestVariant[0].bstrVal = itemStr;
6 E5 V' E4 W: i* ?7 T* {) N, R" H. X z+ K4 F
topicStr = SysAllocString((WCHAR *) L"system");
$ ]$ k# R$ E) \! G4 g) z; F! X VariantInit(&requestVariant[1]);
- @7 E: `5 K8 @' N0 K h requestVariant[1].vt = VT_BSTR;
4 J+ w% f: c* ` requestVariant[1].bstrVal = topicStr;" R6 x, L5 M/ {) J2 p& q
: y6 i* x# M- u// Set the DISPPARAMS structure that holds the variant.
9 D J7 k% a, K8 i9 ?: B4 I! `8 r
1 }% k8 @8 Y5 O7 Z& J! P" P dp2.rgvarg = requestVariant;! n# K& B: f: ~) ~$ n; F; w. R
dp2.cArgs = 2;- {: R: R& T# Y1 Y
dp2.rgdispidNamedArgs = NULL;
: \% ^ Y7 \" l \* G! V dp2.cNamedArgs = 0;
: j) e6 o4 |7 n# j7 E4 s
" ^) x. ?3 l, e1 X- z) u# U- @ var.vt = VT_EMPTY;( Q4 s: T' ]% X3 h
! q5 v' @3 i+ R% v) L// Call IDispatch::Invoke()0 X; ^2 y1 n4 R8 W1 o5 t5 d3 v
( w/ z! ^+ t% m) I4 [0 y+ _ hr = m_pDisp->Invoke($ W3 B( M: I" g( k+ |
requestID,7 h _% W5 D0 s# c/ C- C8 t
IID_NULL,& I# W0 S% t4 Q) T
LOCALE_SYSTEM_DEFAULT,' |+ ]# i2 q. V% x
DISPATCH_METHOD,, L* N5 y, V+ n
&dp2,1 y7 u# t8 {) p3 c# R' L
&var,2 D& Y4 _2 y- }7 v
&ei,
% y/ z3 W' S$ Q3 J8 F &uiErr);' k) g, ~* b: y6 v3 ]- {2 D
! a3 A' u) w) }: D: N. z7 L4 A1 J
SysFreeString(topicStr);
9 F, W' `/ `! R5 |" n2 L SysFreeString(itemStr);4 K* @5 u) O) G6 o$ n0 }
请问该程序是获得extend里面的哪个值?1 k# G" F! ?: u4 s5 z8 m
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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