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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:
- v* A/ U( B4 L% |5 eName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
( B5 k6 t2 E2 l4 @' ~2 l# d IID_NULL, // reserved) d* g$ P- \7 n$ G7 ^6 k! T0 a: @, s
&Name, // Array of names to get IDs for! w' a2 s6 P0 e' v' l/ m
1, // # of names in the array
E# J# R6 B0 C1 |% { LOCALE_SYSTEM_DEFAULT, // System locale) u6 Y' f1 K& O; y) t
&pokeID); // Array of IDs to fill on output+ B% r6 q' m; Q& ~7 t# |
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if (hr)
0 ?3 I8 j$ }& B6 k/ q- K3 H$ T {
2 ~( C' x' a T! m MessageBox ("Get Poke Unsuccessful");
4 r& W( p2 P0 i8 z* _ return;
4 o; B- Z+ |/ F3 C6 I0 ^ }
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# k) v- b/ p& \, e5 {/**************************传递数据给extend**************************************/
$ ]/ u% I/ `7 y) x2 @' y* ]* {# w" O7 ]; P pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");1 K& [1 X/ R0 g) {+ l
VariantInit(&pokeVariant[0]); + f0 n' \& s+ N% I) s
pokeVariant[0].vt = VT_BSTR;4 E |% I8 u b$ e, V1 q' s
pokeVariant[0].bstrVal = valueStr;
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. C: J& N0 S [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) m9 Q8 I# C7 c
VariantInit(&pokeVariant[1]);
# i- s3 a J* j) y/ R pokeVariant[1].vt = VT_BSTR;& K: a7 c: N: F2 k
pokeVariant[1].bstrVal = itemStr;6 I8 E) l9 w3 n% u$ j, U
, I7 c6 u z' P% G5 d4 K3 l5 S, M topicStr = SysAllocString((WCHAR *) L"system");
7 g: D% K" q8 @" P/ q. I' ] VariantInit(&pokeVariant[2]); # k; | _" m6 R. ?
pokeVariant[2].vt = VT_BSTR;+ r. c3 ]5 g( e" M
pokeVariant[2].bstrVal = topicStr; C9 M6 }, _, E7 S# H: ?4 w
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// Set the DISPPARAMS structure that holds the variant.4 S Y' j5 N5 b( \- ]+ E9 s
5 M: C: G/ u" W5 n1 L2 i! i dp.rgvarg = pokeVariant;
/ @. L2 C5 O/ ^3 H dp.cArgs = 3;
& r$ h. J0 x& o4 Y- e dp.rgdispidNamedArgs = NULL;% a( f( U. R# v6 ~
dp.cNamedArgs = 0; B/ J0 X( Y3 \/ {! i, q* \4 `
y/ f! `( ?6 {4 {
// Call IDispatch::Invoke(): w, @4 W, N- L
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hr = m_pDisp->Invoke(. @( [; i/ h; a) I
pokeID,
, I* x3 C1 |- @- [$ D IID_NULL,
+ R. T& A2 k$ J! }6 _ LOCALE_SYSTEM_DEFAULT,
" u" B- a& {$ e, J: t n3 k+ J DISPATCH_METHOD,' m& L+ [( M* S) e+ C N
&dp,4 `% ]+ C9 `$ f5 [4 t
NULL,
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&uiErr);
8 B+ S/ j2 G. ^
9 E3 F x q& E5 R SysFreeString(topicStr);
& ^4 W/ y0 @7 S( Z& b SysFreeString(itemStr);
/ ?8 n* ~# B1 q& K8 ?/ c: r SysFreeString(valueStr);9 F5 m+ }* w9 W
0 Z9 K# q% t' J( {) N7 g) D0 Q: Y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 f) Q% E/ K, }8 j0 n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 O4 i! C% `5 Q3 v$ J
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2.这是request的程序
3 ]% ]" P, \8 S: A// Request a value from Extend$ f0 f1 r* h$ ^0 ]9 A8 {, x
//
3 h- f/ f4 y2 j/ m" C// Initialize the variant that will hold the BSTR. Set the variant's
2 e2 _9 L ]- T u! F: M$ B& A# v// type flag to indicate the fact that this variant holds a BSTR. Place the
c+ [( s1 f2 _& c) n// BSTR into the variant structure.
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# h, u: X9 J$ ]' g8 I0 Y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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1 l) _! q( t% C5 c! G- ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 ?: ^6 p$ k4 U7 }3 o2 D- n1 i
VariantInit(&requestVariant[0]); * _; W: S3 y- C! Z' }, Z
requestVariant[0].vt = VT_BSTR;
' [- k( B& D" s requestVariant[0].bstrVal = itemStr;2 X, @5 G1 ^" e6 w4 t# f7 o! W
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topicStr = SysAllocString((WCHAR *) L"system");% S$ C, V. ?5 U" | K
VariantInit(&requestVariant[1]); " X& ?( u) B, _0 c/ p2 A
requestVariant[1].vt = VT_BSTR;2 B: @$ W9 g3 R( S6 V) A# m
requestVariant[1].bstrVal = topicStr;) F" Z5 S7 l4 x2 z
( ^3 `, F% Q0 p4 f6 p& a// Set the DISPPARAMS structure that holds the variant.
+ Z! ?" i1 z- ]# k/ o& R8 {$ L9 O0 n" k
; l6 A5 C7 ^# B dp2.rgvarg = requestVariant;( T+ L2 k" y. e2 ?2 F
dp2.cArgs = 2;7 b+ B; w% O) k
dp2.rgdispidNamedArgs = NULL;+ |1 @! e5 f& `/ z) @5 z
dp2.cNamedArgs = 0;5 s" r" X3 e; L0 w
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var.vt = VT_EMPTY;# B& k$ D) L" u! u" ^; h
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// Call IDispatch::Invoke()3 _7 v: C% u" x ?5 H
, h( F1 X. p) i; a* o* r: U6 W hr = m_pDisp->Invoke(8 @. |* M/ T2 F5 x1 l- o
requestID,
' T+ a! c5 _' j IID_NULL,* d# _: I. U( |3 }
LOCALE_SYSTEM_DEFAULT,
( ~& {3 i; W* [- }2 d DISPATCH_METHOD,
L$ r, u* n& e# h w( I &dp2,
, k' `1 ^- n2 e& v' f! Q( l- S &var,
3 ?: g. `7 p4 y8 ]4 s% _: @ &ei,: l! _) w& U* K; }+ s5 B, \. r
&uiErr);
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2 a8 O2 G4 m1 ]5 V SysFreeString(topicStr);2 N' o0 b- g) W8 G0 n
SysFreeString(itemStr);+ G. | p5 u1 ]2 ?
请问该程序是获得extend里面的哪个值?
. b7 V4 G4 x/ ]+ |$ T# p6 x! H6 Y2 k9 T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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