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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:
# B; |% ^& v/ u2 ~% ZName = (WCHAR *) L"Poke";: o/ x5 x& I! l' l6 Z
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hr = m_pDisp->GetIDsOfNames (
# |4 ?8 V( g+ X% o; J IID_NULL, // reserved8 U( c. V: [) j2 y4 S, c
&Name, // Array of names to get IDs for; U* P/ f R& `3 o: I
1, // # of names in the array: F( Q/ O7 H3 h) K8 M2 \* A" m7 }
LOCALE_SYSTEM_DEFAULT, // System locale4 R4 Q. K( g& q- Y, y/ j. S
&pokeID); // Array of IDs to fill on output' A4 c' }4 J4 \' R: C. [5 G
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if (hr) h) _# S* ^* ]( f% y0 d
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MessageBox ("Get Poke Unsuccessful");4 X& U$ Q. h7 d0 A# p: S
return;
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/**************************传递数据给extend**************************************/9 \9 \$ T* W0 h' @# R
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ {3 s. [/ X6 Q" b# `
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valueStr = SysAllocString((WCHAR *) L"1232");, X8 Q# [. p+ v1 `. K
VariantInit(&pokeVariant[0]); 5 l7 m+ N8 S3 k0 K( b
pokeVariant[0].vt = VT_BSTR;
) k/ L& j( E8 u- u2 ^9 r8 w pokeVariant[0].bstrVal = valueStr;9 C) {1 o+ X b: f7 i
4 k" ^. A! q+ W0 K4 R1 o# Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 D5 w6 X# Q: e3 L+ t: o
VariantInit(&pokeVariant[1]); 9 {' L9 O6 j) z2 t9 S0 O& h6 m
pokeVariant[1].vt = VT_BSTR;% P2 u, c( P* u5 h, ]
pokeVariant[1].bstrVal = itemStr;
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9 m/ J2 s3 {: M topicStr = SysAllocString((WCHAR *) L"system");
6 P/ M; S; v. G9 r3 T9 ], m VariantInit(&pokeVariant[2]);
6 |5 }! O. M& h# ?6 T* F9 [: O: r/ B pokeVariant[2].vt = VT_BSTR;2 H* c2 N( B8 A
pokeVariant[2].bstrVal = topicStr;# b5 l& T1 Y% J2 ~/ H2 Z0 T# ]
( z2 r# f, s4 W& |// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;4 i/ V- u& @8 }+ |
dp.cArgs = 3; g5 i' B4 c3 o% l; [
dp.rgdispidNamedArgs = NULL;# D% V( X& @& z' c0 H0 y' C4 r P
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()7 U7 n2 [- f$ N
~2 ?+ x( c1 d2 w& W hr = m_pDisp->Invoke(
8 \4 e8 j: v2 Q! k; ?3 T, X9 t) F- A pokeID,$ h G2 ^$ u5 {' n* e% z# h& z
IID_NULL,
, T& l' `& P' p LOCALE_SYSTEM_DEFAULT,
7 u6 R$ P. {( n5 U+ V DISPATCH_METHOD,
. v/ y% D% W+ [8 G2 n( [9 H. ] &dp,
; s% I) l# V, Z. [3 [. z NULL,! a# M b2 {' P5 K2 M* F8 `" ?- E
&ei,
9 Q8 |1 [$ s1 {" x0 K &uiErr);
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/ w- n8 s% J1 @3 T7 R: C! ^0 v/ H SysFreeString(topicStr);/ j# b+ N- Y F0 \
SysFreeString(itemStr);
. }3 q- s- x* ~6 ~: v9 D SysFreeString(valueStr);
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( i, k- ^. F: o& |3 d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???
" e% B- o3 S" g, _9 x2 u x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????. N* }0 D$ @" K
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2.这是request的程序0 |, v. s; r2 E k
// Request a value from Extend* Q: B: Z$ |& O
//) O$ U# r3 S- K6 j$ `6 J% o3 [& }
// Initialize the variant that will hold the BSTR. Set the variant's
$ Y% y5 t1 {, M9 s0 R' N// type flag to indicate the fact that this variant holds a BSTR. Place the. [( T3 C8 M0 K( d5 X% h8 o! `
// BSTR into the variant structure.8 M8 {. O8 g, W; H
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% w: {# U8 l7 i: Z! d
& s. e) `5 U; @ U& [2 B itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' U9 Y, |0 A" i VariantInit(&requestVariant[0]);
~, n4 y. a' N4 O( ~2 U- k) z requestVariant[0].vt = VT_BSTR;& u$ w6 x4 D8 N9 K
requestVariant[0].bstrVal = itemStr;' H% j, j# [' I; c5 j) B$ D! N9 c$ d
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topicStr = SysAllocString((WCHAR *) L"system");! B! {( V8 K3 C( V( r, T' v; V
VariantInit(&requestVariant[1]);
, U3 l+ {. j9 n( x+ d: v requestVariant[1].vt = VT_BSTR;
, E7 w6 f: @3 o& t4 t requestVariant[1].bstrVal = topicStr;$ I# `% g# L7 r$ w" l$ D
. G' z+ z0 L6 U) O// Set the DISPPARAMS structure that holds the variant.) K3 B" `5 d* R
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dp2.rgvarg = requestVariant;
1 v$ m& i: D z& l% r9 f, ^- K: F dp2.cArgs = 2;" ]- `- D' c9 n: a
dp2.rgdispidNamedArgs = NULL;
. [- I0 F- ^8 K' c9 Z5 q. K. I dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()7 q1 N! J' P( p
4 R8 b! i4 y4 [ hr = m_pDisp->Invoke(+ f# K2 e1 P2 r
requestID,
; X; ~2 N/ o% `9 E3 L; o& w" H7 n IID_NULL,
. E5 b4 H8 L" o5 j, f6 S, d d LOCALE_SYSTEM_DEFAULT,
) v; u$ C Y e3 j. e4 o# _ DISPATCH_METHOD,
. s& K9 p5 I5 k- L2 E! J) I; x# A &dp2,
2 ~; x$ p& |0 m$ C3 G &var,8 x. `; |% r# }: e9 V2 {8 j, k
&ei,; d; w; S0 d! g9 D6 g/ E1 F. R- s
&uiErr);0 ]' P0 C: s! s+ w4 v7 [
8 e1 X; @8 e8 } SysFreeString(topicStr);
/ e U4 ]* m8 |7 ^ SysFreeString(itemStr);
3 H6 V/ V7 z# l& z' g请问该程序是获得extend里面的哪个值?+ j6 K* _ S7 P/ _
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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