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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:0 i! F% @8 n; }
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (5 v1 Z W! l3 {; ~* ~ u5 N
IID_NULL, // reserved# _* V4 |% v1 c0 n: P+ m% F
&Name, // Array of names to get IDs for- G# l- J! {% d, p. f, B( g) O
1, // # of names in the array
: m; x! b1 l- x; C LOCALE_SYSTEM_DEFAULT, // System locale
7 G8 h4 J! Q; m &pokeID); // Array of IDs to fill on output v- i" _5 J2 j: v6 r! {- ~* I; l
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if (hr)
6 e$ R+ [! ?7 L% T6 N# k {
( Y" g- Q$ x" X7 p, Z MessageBox ("Get Poke Unsuccessful");
$ x! ] ~& v4 v% ]0 i- m% S return;
" u0 }2 o9 I- i+ I9 S* C }
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7 D. B# j* p+ b9 M/**************************传递数据给extend**************************************/
. W: S3 b1 S( g5 b# L. A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" U& t! c v0 k; R2 o0 n
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valueStr = SysAllocString((WCHAR *) L"1232");
" E* }( B- u5 Z+ [4 K+ D4 A VariantInit(&pokeVariant[0]);
* D1 |' m9 n e* B/ N pokeVariant[0].vt = VT_BSTR;( y5 s' l4 E* [5 b# B5 Q. c, V# o
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 o# ?% l) r- f' q VariantInit(&pokeVariant[1]); X) C' K- P6 N$ z
pokeVariant[1].vt = VT_BSTR;2 T- B- Z5 f4 \$ U, l2 Z& M
pokeVariant[1].bstrVal = itemStr;
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- t \! R' O$ o* i5 ? topicStr = SysAllocString((WCHAR *) L"system");
7 I5 a5 ?; Q3 ?# D: @1 i VariantInit(&pokeVariant[2]); 0 ]( m* k9 z8 n
pokeVariant[2].vt = VT_BSTR;/ g8 t: X" f' G" l, P
pokeVariant[2].bstrVal = topicStr;8 A7 C, W/ u: ]/ g+ l9 X/ l
! U) r* X) A4 d, @3 w3 I& C1 _// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;- o b) F- U7 Z' n# w( s
dp.cArgs = 3;6 F1 D; p& p4 J$ w* f. ]9 v0 }
dp.rgdispidNamedArgs = NULL;
/ U/ a2 }- ?" S+ y2 W* X2 I dp.cNamedArgs = 0;
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$ ~# H% U; T' o* J8 ^8 I7 {// Call IDispatch::Invoke()% }; j! v! Z+ D5 Q/ O
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hr = m_pDisp->Invoke(7 Q$ U0 r1 a( H3 ?" L# f
pokeID,
. i; M1 [: w! i; e0 [, B IID_NULL,
' w, D" f& u' t4 N: m4 {8 o* ^! b8 R LOCALE_SYSTEM_DEFAULT,
6 e+ |( M. |6 p! u" h DISPATCH_METHOD,+ K+ b, Z$ U; T, I! p% V
&dp,- d* [ \1 \: w) |$ x7 i
NULL,
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&uiErr);4 ?% f! J! ?; d
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SysFreeString(topicStr);
4 t. y0 r- r1 X: r SysFreeString(itemStr);+ \7 W( z$ z5 ]( w3 ]* z
SysFreeString(valueStr);
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" M1 ~/ M- r; E5 g3 v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???
3 ^: i b/ y6 z0 a% e% l. p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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2.这是request的程序
0 A! e# A, b5 A* ]; l// Request a value from Extend% g' T, ~; U8 n% q3 f C- O
//
) @- c/ b7 w$ o K9 L y// Initialize the variant that will hold the BSTR. Set the variant's
* q- |1 p/ |+ F% x- U// type flag to indicate the fact that this variant holds a BSTR. Place the9 H. y3 V l7 o
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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3 T/ v: {$ U( r" G" H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' ~/ W( G$ |( D, r- ^ VariantInit(&requestVariant[0]);
: u# H, F' c( p9 Y- B3 i: e6 H requestVariant[0].vt = VT_BSTR;
- D H' w% x9 ~3 ] requestVariant[0].bstrVal = itemStr;
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; h4 b- m2 J# Y u9 r, K topicStr = SysAllocString((WCHAR *) L"system");
: h. D3 \' @; x, S VariantInit(&requestVariant[1]);
, |) Y# F3 a5 `0 N; @. M x, O1 \ requestVariant[1].vt = VT_BSTR;
7 i5 w9 K U D+ Q requestVariant[1].bstrVal = topicStr;
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" ?1 n Z# L, J5 v. N! ~4 A// Set the DISPPARAMS structure that holds the variant.) Y8 s8 u0 T' E7 h9 M. k7 `
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dp2.rgvarg = requestVariant;
! k: w3 H L, \% ]5 P+ t. o. O dp2.cArgs = 2;4 U( i% ^' @% B- H
dp2.rgdispidNamedArgs = NULL;
. h" y! h6 Q1 j dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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* F: A5 F4 y/ W( `- }6 A( j4 o6 b; |// Call IDispatch::Invoke()
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' w+ I `( U( S4 J. F6 ]/ q9 _0 W hr = m_pDisp->Invoke(' j" Y# F) [- ]/ @- {, N
requestID,% q* b9 O6 l" y; i7 Q% u
IID_NULL, L3 I' e/ q5 Z
LOCALE_SYSTEM_DEFAULT,
! u U3 E) T( W5 J M. G DISPATCH_METHOD,3 q/ W% {: O1 |; M
&dp2,
) B" l& L3 t% ]9 N* w7 `5 F5 Y &var,1 N7 e7 O9 y2 m8 C
&ei,
6 ~4 z6 I+ O: E &uiErr);) I. g! e) O$ n& {2 s+ Z
7 H& p i% T8 N6 ^& }3 G& A/ U SysFreeString(topicStr);0 R; L6 R# O& u+ V/ s, j
SysFreeString(itemStr);
. o% j2 s. U$ ]5 o请问该程序是获得extend里面的哪个值?
) M, G2 l. s0 L0 K1 r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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