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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:
/ z7 m9 Y/ ~3 nName = (WCHAR *) L"Poke";$ D; `, C: n2 e4 s2 }: H
# v# _5 E( n- k6 {
hr = m_pDisp->GetIDsOfNames (+ Z# ^# M: S& @! \5 o% p
IID_NULL, // reserved
: `; H& Y3 u4 w' [: k9 A9 M7 C &Name, // Array of names to get IDs for
! e j' i; K m 1, // # of names in the array
2 t+ O6 P1 G* K; i) V, p* z LOCALE_SYSTEM_DEFAULT, // System locale
$ {. u, Q% @9 A0 f/ D6 m &pokeID); // Array of IDs to fill on output
( \+ r7 F; P( C# O6 b$ g - m! [$ R7 r: [
if (hr)1 U& U- ?$ L$ v. y% g/ H6 {1 d# d
{$ y! M" L: l! G- v8 A6 J
MessageBox ("Get Poke Unsuccessful");4 G1 g% a# N* j/ w5 ?
return;' v) z- t Y! r; ^% m
}
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. N$ r. u6 {- d _( T' Q1 q! {/**************************传递数据给extend**************************************/4 c2 k; c; j. L3 q& R$ l6 l
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 r8 i9 o; @& c0 U7 }1 v+ X! C
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valueStr = SysAllocString((WCHAR *) L"1232");% M6 s! p1 a- @
VariantInit(&pokeVariant[0]); 3 C0 E/ {* }& ?9 F( |
pokeVariant[0].vt = VT_BSTR;
, I. ^0 S+ |' K( T! u pokeVariant[0].bstrVal = valueStr;7 R$ {& S( @2 n
# i( `& |" p8 `( g) l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( a. w- ? p, N) K/ g) @
VariantInit(&pokeVariant[1]);
6 H* s- J E7 d* _, B% K# v/ \ pokeVariant[1].vt = VT_BSTR;
" w8 h; Z. b. P' Z7 L* D pokeVariant[1].bstrVal = itemStr;
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0 A) M ~/ p: y topicStr = SysAllocString((WCHAR *) L"system");
3 [3 _: h- r k- J3 P& m9 ^ b VariantInit(&pokeVariant[2]); 6 L* E7 ^. s! x9 t
pokeVariant[2].vt = VT_BSTR;
6 p% _: ~8 [2 d1 l( M$ N& V pokeVariant[2].bstrVal = topicStr;
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* h- Z: b9 k4 S) j// Set the DISPPARAMS structure that holds the variant.- H! e% V y% u$ L6 Y1 ?4 o" t7 i5 d
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dp.rgvarg = pokeVariant;* ? j# K9 \8 ^
dp.cArgs = 3;
3 ^- Q- ~% r) M! m( n9 S dp.rgdispidNamedArgs = NULL;
) g; X6 k1 b& S* g. L# M a) H dp.cNamedArgs = 0;0 n* K, u6 T4 f( T
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// Call IDispatch::Invoke()& m G5 W/ t/ \: u: l0 u, \
# E1 r- r, e1 t6 a
hr = m_pDisp->Invoke(
3 ?% ~8 N- f$ B0 o6 `* i pokeID,& c, S- H' M4 P% V' P* O
IID_NULL,( h: j/ t% F4 E5 \; Z( A6 B
LOCALE_SYSTEM_DEFAULT,
' L5 _1 z" O* Q* S% v8 H3 \; a DISPATCH_METHOD,
" G1 @2 J' x1 @5 F! I &dp,
! s; s$ _& K/ V- ? NULL,
1 l* t2 M R8 D6 f8 [* z &ei,
% p5 f# h( |) t( u4 j/ [4 F5 w3 ^ &uiErr);
1 s: j. P3 w, s
* R1 @' x6 q C8 U4 ], g SysFreeString(topicStr);
; S7 b! F2 b& R6 y$ O SysFreeString(itemStr);
$ ~+ x1 @7 J# n O9 b" J+ g SysFreeString(valueStr);
3 G r; x9 G4 F @$ s( s8 q; H6 Q6 ^0 L4 _
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???
4 b( i+ K8 k, I; W) a5 t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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) H5 G* Z% r: l1 N2.这是request的程序
9 Z/ o3 a. H J; e. _1 u7 J( O// Request a value from Extend. F3 m# Z1 u% w( K
//) Y/ @+ y9 ]+ H. u# v
// Initialize the variant that will hold the BSTR. Set the variant's- e+ Q _# B1 B) ]: j
// type flag to indicate the fact that this variant holds a BSTR. Place the& [ I/ |" C0 m/ G. x- N4 Y
// BSTR into the variant structure.* {: S% \. t2 o( i4 w) B
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ D$ C. k8 f% l" L9 n: H
# Y6 H2 M1 D2 s# X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; F: V: E' j5 m VariantInit(&requestVariant[0]);
3 p, }7 M: t8 V9 J requestVariant[0].vt = VT_BSTR;
/ A( z" V* e% h requestVariant[0].bstrVal = itemStr;* ~$ F: L& |7 g
G+ [1 B4 N& @7 w% O7 A
topicStr = SysAllocString((WCHAR *) L"system");
5 w( A+ o4 P! k8 N! h1 A6 d% C, M VariantInit(&requestVariant[1]); ! O7 C0 M, @' j( {
requestVariant[1].vt = VT_BSTR;
7 e9 K4 Q2 {- M, v' V requestVariant[1].bstrVal = topicStr;
$ H8 ]$ n6 q. S$ l8 Q4 {/ H/ q( l
// Set the DISPPARAMS structure that holds the variant.8 I! U: c F, M8 K" `. B
$ C2 L* Q' x! T1 l2 Q1 o1 R: e dp2.rgvarg = requestVariant;
$ `3 C6 @. i& @$ A2 |8 }+ R, H dp2.cArgs = 2;
# e. h: X9 l: } | dp2.rgdispidNamedArgs = NULL;
# K! g1 O" F1 g2 o3 i7 l dp2.cNamedArgs = 0;
+ E" `2 a5 o: l3 j" c$ P1 Q
7 f3 g: {" q; }1 [( q var.vt = VT_EMPTY;
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6 O5 ]' o$ o( k+ S& h' A: ~// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(: m; G4 T$ v5 Z9 ~2 z9 b Z2 r
requestID,
& V! H* Z$ m4 [' L, j( t* }& I7 i IID_NULL,
- ~: R& U$ N+ F7 h9 `# J LOCALE_SYSTEM_DEFAULT,3 {1 s- x- U# G( K
DISPATCH_METHOD,# C- A) G+ Z1 r$ i) H8 D8 l
&dp2,
$ S) A, _7 F7 K. k &var,
) a# N% H; U& y: w+ M0 \ &ei,) N/ x8 h! U, Q# M( M
&uiErr);
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1 q4 z) Y( k" |( B) z7 r' ]$ x$ o SysFreeString(topicStr);
& q1 q& Z; Z2 M SysFreeString(itemStr);
& w O# N( d$ j0 |请问该程序是获得extend里面的哪个值?
$ P2 q. f& N# k7 o/ \1 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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