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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:
; x9 U! @8 }0 R/ O: x9 i% W* wName = (WCHAR *) L"Poke";8 P1 f% @9 V" a! ]" P1 j H
5 _8 H3 N& E+ K1 d8 E hr = m_pDisp->GetIDsOfNames (
& U8 w1 ^( b8 o3 \+ Z IID_NULL, // reserved' e# R5 t! [1 ^ n" E
&Name, // Array of names to get IDs for
, C c0 ?6 }! d" }3 I 1, // # of names in the array
2 J) h7 [! k6 J' D0 a LOCALE_SYSTEM_DEFAULT, // System locale
5 ~1 _' A: S2 k &pokeID); // Array of IDs to fill on output7 {5 } G' }; g" r1 I5 |% O3 p
( E; t/ [# a4 e- Q& {/ r
if (hr)! N% }5 |8 m) a% |9 \7 y
{
# l3 H0 {2 @. v6 n MessageBox ("Get Poke Unsuccessful");
b+ w; l# y& g# B return;; v; }" R ~( u* j
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7 X2 d% j' K4 Z( R+ F# I
/**************************传递数据给extend**************************************/
) I3 `1 x/ T; N4 \5 {: b pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ `8 k6 h/ g4 m; |' ~" Z, B
& k% i; D: y3 p* j. ~$ O; V7 n valueStr = SysAllocString((WCHAR *) L"1232");
. B; x% m1 i" s2 z VariantInit(&pokeVariant[0]); % K, V8 n2 B! {6 r
pokeVariant[0].vt = VT_BSTR;3 k5 P6 T$ ^% M
pokeVariant[0].bstrVal = valueStr;: ^! `: ^5 N/ j+ L# [, P/ Z$ M) b
* Z! l. U" |+ G7 e
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ ?9 t) F3 ?( D% M6 M4 h8 E VariantInit(&pokeVariant[1]); : \5 G, c- ?8 X! u7 P/ w, g( T
pokeVariant[1].vt = VT_BSTR;4 j6 `+ d" J8 H- m7 Z3 y" ` Q2 |2 p, r
pokeVariant[1].bstrVal = itemStr;
( d! }8 U" b' U3 N" X) m! S' ?1 [, }' N k i
topicStr = SysAllocString((WCHAR *) L"system");7 S! S% J. C+ h9 f3 Z
VariantInit(&pokeVariant[2]); . Z# r1 [5 J# b' H1 R
pokeVariant[2].vt = VT_BSTR;1 h% `9 ~; `2 @) q2 Z
pokeVariant[2].bstrVal = topicStr;
4 E9 P% {5 ]) _3 K T0 R
: ~3 v) }7 G$ a/ W// Set the DISPPARAMS structure that holds the variant. ]4 J8 c5 ^2 C8 y7 W% p% p
. l# `6 Y& M @ dp.rgvarg = pokeVariant;
2 O3 u( ~5 R3 G( S1 \. j dp.cArgs = 3;
7 m T/ w X' m4 D1 ]; b dp.rgdispidNamedArgs = NULL;$ h& n* |1 m# h
dp.cNamedArgs = 0;/ v% q" y1 L* }& ?. x+ s) h- s
9 b. W, o- D) \( U// Call IDispatch::Invoke()
8 I2 Z4 G% N+ J, Y) R5 k) [1 a
5 k8 |3 M5 {4 t hr = m_pDisp->Invoke(( U7 z4 |5 Z5 Q- Z
pokeID,
2 h# a6 C! H* @5 V0 _ IID_NULL,
# F) s) [, X3 O# i; t! [ LOCALE_SYSTEM_DEFAULT," o: m- X5 S3 L' U# y- v. f
DISPATCH_METHOD,
- C5 u Q/ M4 b$ u2 k &dp,
# o. ~, ]0 M- G, v7 i, Q2 g& } NULL,* j, b: w9 l; Q- x; L. x
&ei,+ G2 i0 H* p* b" n$ G, D2 m
&uiErr);2 Y- s8 F$ t) p! @' G* u
/ x# @& c- X1 Z, Z: s& l
SysFreeString(topicStr);4 Y- _* H* z% W4 Z, g/ B: t
SysFreeString(itemStr);- p1 ]. U8 m$ T
SysFreeString(valueStr);
& S4 R2 ^7 z3 m' }" X& m# @. j, J3 {4 m
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???& i+ ^" h% c3 U
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 `% z8 b0 |1 D9 i& E0 q: Y
3 ~2 q: J m5 {
7 z- q8 }' o- @) {1 X" C% e" g- S
2.这是request的程序 x' Q# e$ w7 _+ H/ T
// Request a value from Extend
, @3 _8 Z6 A8 e' T//
) l+ q& o* v" c' S; L- ^// Initialize the variant that will hold the BSTR. Set the variant's+ h; d) H7 T# M' w T' R( k+ l4 c
// type flag to indicate the fact that this variant holds a BSTR. Place the$ U t, |$ R% Z2 ~& t( ^' `
// BSTR into the variant structure.
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1 m& y$ l: {% ^ s/ o requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ G' ]# x2 I8 {$ N 1 w& q' q% h) _9 |0 e7 V# X
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' v& L9 B5 z1 c" c2 S* W8 B
VariantInit(&requestVariant[0]);
: }7 w. L! D5 U: e: r+ x requestVariant[0].vt = VT_BSTR; `8 x: r% T+ E9 J ?
requestVariant[0].bstrVal = itemStr;9 L, C; v3 l+ N
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topicStr = SysAllocString((WCHAR *) L"system");8 N8 t3 p2 T, U% T7 K$ {7 k) a
VariantInit(&requestVariant[1]);
$ Z3 z6 { S6 x# i requestVariant[1].vt = VT_BSTR;8 s" v! ^+ q: _% x9 U/ |
requestVariant[1].bstrVal = topicStr;
' n/ w" J! F- S8 `% u+ Y. w6 f
* Z" m9 l3 K" b k// Set the DISPPARAMS structure that holds the variant.3 [/ i- D2 m X1 a9 i' C* k* P8 q
% Y: U7 U* `% A7 q1 e; u0 i9 s
dp2.rgvarg = requestVariant;/ q/ w" @3 y3 X( ]1 W8 k1 s3 ~* ?
dp2.cArgs = 2;$ x* \% v- l5 i6 u
dp2.rgdispidNamedArgs = NULL;
- c; i2 Q* o/ R$ [% C dp2.cNamedArgs = 0;9 L2 \" x$ i! l
. ]/ e6 m+ s4 u
var.vt = VT_EMPTY;
$ e! k m3 P' s* R
% f# c# f5 @4 _- T% i/ x// Call IDispatch::Invoke(); q- `; `: C% ?$ V: c
5 i; r, M* c5 u5 [7 y+ A! ~, L hr = m_pDisp->Invoke(
8 P. U* s8 h& P+ v3 s3 N requestID,2 D$ Z2 s) c# K) }
IID_NULL,% p& O7 |8 G+ A: M0 S
LOCALE_SYSTEM_DEFAULT,9 {# X. s8 q2 u4 I: s& \. l. h, h
DISPATCH_METHOD,1 S/ D$ r$ M. |; k
&dp2,
8 e2 a; k4 Z* O1 ]2 L R$ k* N &var,& W! D, I. s% W; N7 f, G
&ei,! C! {' C; Z; H/ C7 ]4 o6 y! n/ R
&uiErr);
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SysFreeString(topicStr); O6 y4 O. J. B, s. S
SysFreeString(itemStr);. _; C6 _& v/ G$ o
请问该程序是获得extend里面的哪个值?$ P4 @+ a, ~9 Z& g8 @1 @( A
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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