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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:
$ f( n* ?0 v: U, tName = (WCHAR *) L"Poke";( o2 g4 u' M4 `
7 w+ m+ N0 A1 g$ B4 b& Q4 ~ hr = m_pDisp->GetIDsOfNames (
$ Q* Y1 \( Q0 _3 O+ s# B* C IID_NULL, // reserved2 b9 p' J# i8 h& |5 l% t
&Name, // Array of names to get IDs for
6 ?5 z, m7 j0 @9 ~# x9 K 1, // # of names in the array8 O3 W: m$ h3 }- U* f) s
LOCALE_SYSTEM_DEFAULT, // System locale O/ H$ J5 c' I% w
&pokeID); // Array of IDs to fill on output8 c6 b4 a( M6 j9 ]# ]& `
4 _/ b1 x2 M1 O7 @! ~$ A8 F* _. D% }7 A* p if (hr)
0 z' m$ t% g6 H- V* T {
* m" R" G& _/ K; c7 b" i MessageBox ("Get Poke Unsuccessful");
7 E, E9 O) R# b- z0 R return;
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% z0 e ^; }9 l6 w( D
/**************************传递数据给extend**************************************/: r, G- M& d; c2 ^, d: z
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; Z$ k- e2 G0 O7 ^& a& n5 I
2 h9 u% x/ e% G- L+ I valueStr = SysAllocString((WCHAR *) L"1232");
n; H2 S' I6 R4 O1 _ VariantInit(&pokeVariant[0]);
" ~- Y; L$ X: z9 V pokeVariant[0].vt = VT_BSTR;
8 |' z1 n' S. P; u6 | pokeVariant[0].bstrVal = valueStr;
; ]8 i/ \$ [7 l1 }/ d0 n4 c0 N4 v% n% A- ~8 c2 E0 c6 f; L* F' p
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 X+ v- g- N) S9 v$ P
VariantInit(&pokeVariant[1]);
) s" k+ A. }3 e3 T7 W# d pokeVariant[1].vt = VT_BSTR;
+ y5 ~2 _* U" X& e8 o% h pokeVariant[1].bstrVal = itemStr;7 Y$ P: c! q" q/ a
, ^8 M) R H! `4 j' G% \
topicStr = SysAllocString((WCHAR *) L"system");
, y5 w6 s3 m& |- I9 Q VariantInit(&pokeVariant[2]); + g3 j$ s& @$ h+ U* ~
pokeVariant[2].vt = VT_BSTR;
0 O4 l' m0 e* [ pokeVariant[2].bstrVal = topicStr;& Z) A6 S# w' g C6 ^' {
0 i: R2 t2 k( m+ ~+ C5 P8 ~// Set the DISPPARAMS structure that holds the variant.: A: R) H: u9 m: D4 H
! d w& O+ K8 V K* j dp.rgvarg = pokeVariant;% y. U$ n$ [' r: `% _
dp.cArgs = 3;
/ G. h& q% @3 i dp.rgdispidNamedArgs = NULL;% w3 y) R+ X: Q0 C
dp.cNamedArgs = 0;8 E8 Z& | d+ m$ O
1 `! ], n/ U7 j" a! c// Call IDispatch::Invoke()4 ?. H, D, t: m/ q0 h: A) Y
S! R8 {# U8 ?8 g4 R4 I6 R2 v hr = m_pDisp->Invoke(
0 Y) \( }6 F: z" v* p5 Q pokeID,% M! ~; ^0 }1 c
IID_NULL,
; r/ {/ P$ g7 |7 j- T; C LOCALE_SYSTEM_DEFAULT,8 u J8 u4 z# E2 R2 H
DISPATCH_METHOD,
: P0 N' o3 `+ m' p1 G# S &dp,
1 A0 X+ ?$ o+ U5 r( t NULL,! f, R1 A3 F) A' U6 H V$ T$ q$ K
&ei, L5 G! f: ], M3 D. i6 ?
&uiErr);1 C% l4 L9 S( B- E
4 S/ |$ l4 U. _# V D/ M. b) {6 C SysFreeString(topicStr);
) G2 x N+ m; f; B" r SysFreeString(itemStr);
]9 n+ @& B. o4 l4 O, | SysFreeString(valueStr);
! p( X, }& e4 m' e2 \: ~9 l; x/ h& L3 \8 f
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???
' } R" L# q4 T! P b; V3 F% M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????6 N( ]5 x. I9 b6 E0 S; L5 j
) g, K" R9 E+ L( t" m0 V! h1 X
+ s. D9 z- O! h5 a2.这是request的程序
, Q" @4 {% U# }1 _9 X3 v0 x0 a// Request a value from Extend
0 i3 d# [& v6 @ y//
4 b8 _7 K9 v, c9 X4 X// Initialize the variant that will hold the BSTR. Set the variant's
; l6 k2 ^4 Q/ n- C1 d' |// type flag to indicate the fact that this variant holds a BSTR. Place the
1 u+ v5 @. D! {// BSTR into the variant structure.6 R2 b3 E. c4 W' z4 H( Q4 ^* A
& n7 G1 n& F) K2 W7 W$ y
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
6 m7 r( \( O' d7 H5 g( { S: Q% Z
% Z2 j- X0 C7 n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ S4 W% E6 d8 b1 Y" C
VariantInit(&requestVariant[0]);
7 V$ V- p9 F" B4 m: z& \7 ^ requestVariant[0].vt = VT_BSTR;1 P( ?2 C, ]! h% }7 C, J
requestVariant[0].bstrVal = itemStr;, ~ ?/ S) V/ R! S
$ R3 b+ u2 i- U7 V topicStr = SysAllocString((WCHAR *) L"system");
. h- i; A; d3 f/ Y7 ]# F VariantInit(&requestVariant[1]);
1 _) u# o. K: K7 D8 a; I4 a+ P! w requestVariant[1].vt = VT_BSTR;9 r# a s6 [0 e5 j' [! y5 T, {
requestVariant[1].bstrVal = topicStr;
9 L# D6 z; ?& ^( Z. F8 M3 v
: ~# G( Z9 F& |2 b! U/ K// Set the DISPPARAMS structure that holds the variant.4 E7 r2 t& v% Q q' B- N
! e; `8 F/ b. G# g
dp2.rgvarg = requestVariant;$ g6 q; s2 B( l
dp2.cArgs = 2;" d6 z' d4 K* M( @' l/ F
dp2.rgdispidNamedArgs = NULL;
: [, M9 h& L, v* W! O dp2.cNamedArgs = 0;
( E8 V5 \/ M9 v# t
% ?8 l% O! N( S1 p$ s/ M var.vt = VT_EMPTY;" n& d/ m x, Y. W: L
- J, x. q! q% C. v
// Call IDispatch::Invoke()/ C6 A6 a' a/ a/ `7 n" R
8 M1 F/ y i n8 x
hr = m_pDisp->Invoke(
/ _/ q0 M! n) X2 b4 d# b3 _) Z q requestID,
' |. l, G# s% @9 P IID_NULL,5 p, G" N& E0 C3 |
LOCALE_SYSTEM_DEFAULT,
+ O$ C0 T: j& b! D: e DISPATCH_METHOD,
7 h3 e+ R: N- j: D% O f k &dp2,
, y/ `, ?/ b* d9 h# s& g &var,) B* ~/ C, B9 |! ]) K: P! |
&ei,
7 p- l$ l3 D( R1 ]) B+ o &uiErr);
+ w% O: o5 m. p% z; _$ P$ l
; x. i2 ?1 n9 ?( ~) u) {+ z SysFreeString(topicStr);
1 }# g t$ p0 ]/ u/ f4 w! c% o SysFreeString(itemStr);" N6 k! f+ l7 U
请问该程序是获得extend里面的哪个值?
( j! A0 E( H, n a* W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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