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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:
8 F+ Z8 f8 ~* D, \* D w. X* h- rName = (WCHAR *) L"Poke";7 s+ R7 Y! `9 l7 x. K7 D
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hr = m_pDisp->GetIDsOfNames (4 S5 P/ Q& T- F% a d0 ^7 q# e- E
IID_NULL, // reserved
5 g/ T2 v* P! m &Name, // Array of names to get IDs for
& h. h2 V: m( f' F, M 1, // # of names in the array
1 g. z Z/ x) x LOCALE_SYSTEM_DEFAULT, // System locale* z* w7 ]* Y6 I! d1 i6 v' t
&pokeID); // Array of IDs to fill on output" y" x9 s! B, Z5 i
; M9 g/ F7 \* v# Q& k: u+ B
if (hr)
0 c6 r U; P7 Q4 d: ]! H" [ {
) p" s& Q! h9 _) X1 S. m8 L MessageBox ("Get Poke Unsuccessful");
4 {4 o; r! X; l return;% I7 E0 M/ H, I1 V1 r
}
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7 ?2 |7 ~% L* N6 K& k6 V/**************************传递数据给extend**************************************/' Q2 i ?; q" y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 ~9 M5 X$ y. X! f8 p# N
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valueStr = SysAllocString((WCHAR *) L"1232");
' q2 j* M% i+ \1 ?. O VariantInit(&pokeVariant[0]);
& s- x6 ^3 l6 Y5 g% A. U5 D pokeVariant[0].vt = VT_BSTR;, _+ ^4 ?. C" ^2 W2 U2 ?
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 I1 w2 u! c* a. O% Y, S
VariantInit(&pokeVariant[1]); 4 N( U. U! T' d$ Y; g
pokeVariant[1].vt = VT_BSTR;
5 h4 H7 E7 c( R pokeVariant[1].bstrVal = itemStr;' z, @5 |% ~6 G1 d4 b0 J
3 S, E- O& n) ]: Y topicStr = SysAllocString((WCHAR *) L"system");1 R9 t6 M* S, A0 G( b
VariantInit(&pokeVariant[2]);
# \" `9 |4 C# k, }6 y7 ^; b7 b6 t pokeVariant[2].vt = VT_BSTR;
0 ]/ u% Z( [) F y; L pokeVariant[2].bstrVal = topicStr;
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% q2 ]7 f" x7 G5 Q3 D// Set the DISPPARAMS structure that holds the variant.( W5 l; m l/ `' c: j
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dp.rgvarg = pokeVariant;
4 y3 L3 ]+ S+ r dp.cArgs = 3;- ]' P: T! ]( x. [+ A8 a4 t5 \9 }
dp.rgdispidNamedArgs = NULL;
* y2 C5 e$ H$ P6 k dp.cNamedArgs = 0;2 h* Y: g. ^3 C9 L
: P) }* d3 z* m. K- [# H9 g// Call IDispatch::Invoke(): H; W9 t+ z# N8 n
1 p! t7 e7 @& H$ o hr = m_pDisp->Invoke(0 }" Y5 I" g9 N' Y
pokeID,
V- A) S, q2 [+ w! `7 z IID_NULL,* z1 |5 p$ O0 D
LOCALE_SYSTEM_DEFAULT,3 \2 e6 H; r. I k3 K
DISPATCH_METHOD,1 m' `& s$ N. r
&dp,- L+ X: D4 H9 F. \3 K" o
NULL,
* Z- `6 V {. ]' P7 s( |' q &ei,( p8 v4 I1 C0 I
&uiErr);/ t4 A6 z }1 O2 [0 Y" X
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SysFreeString(topicStr);
- L' [. x% K% c' v5 ]- |+ D SysFreeString(itemStr);0 B+ Z* f/ D% K7 D6 s0 c/ j
SysFreeString(valueStr);; \7 Y6 f" N/ }- j! D5 K1 v7 a
7 w/ C9 z3 Z" {/ w
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 m' l6 N7 P- P& ~/ P7 I3 g
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 O5 l% M/ Y, q6 p5 W8 p" O
2.这是request的程序
{2 i# a$ q8 G$ E7 Z, X// Request a value from Extend9 k: t, X" G+ l0 r6 j) ?; k+ ~, l
//- K# V1 _/ ]& g# t
// Initialize the variant that will hold the BSTR. Set the variant's V, C3 s B' Q. j* a @* j- Q. Z
// type flag to indicate the fact that this variant holds a BSTR. Place the
j3 y; E' w, d& U. m7 R" y3 [// BSTR into the variant structure.
/ k0 i1 x. T3 L2 t( V" V- O. {! Y5 ^/ j- Z9 V) ]
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, I0 C+ S2 }; }4 x/ e
0 z; s$ X9 l5 E: r
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 X3 Q" S1 }) B3 s- y3 b5 w! r
VariantInit(&requestVariant[0]);
4 S# `& t J$ T7 p6 N0 Y requestVariant[0].vt = VT_BSTR;$ A1 Y$ y# s U o" S2 s4 C! O: Y' m
requestVariant[0].bstrVal = itemStr;
$ q7 D7 E' Y; a, i2 j
. j! A1 N6 h' y5 a, m5 Z5 d4 P topicStr = SysAllocString((WCHAR *) L"system");; j, g# D, `8 I
VariantInit(&requestVariant[1]);
+ B& I: ]" A/ l requestVariant[1].vt = VT_BSTR;
; ] }) d5 Q7 u! N# f6 v- E7 } requestVariant[1].bstrVal = topicStr;
9 f" h+ }# S$ T/ B6 U" F
! d$ t6 ?, S+ d3 _5 f// Set the DISPPARAMS structure that holds the variant.' Q. v* M# N$ L. ^" {. J
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dp2.rgvarg = requestVariant;3 |9 b- ^! q7 S
dp2.cArgs = 2;
+ y# q4 p( H- w/ t dp2.rgdispidNamedArgs = NULL;
5 _2 D. L: V( T8 Y dp2.cNamedArgs = 0;
% j4 Y1 Z' t5 b2 z6 h" c2 x$ u8 w4 {/ K$ M
var.vt = VT_EMPTY;
& W, y8 _% A' E* y
$ m3 F7 i; x/ E$ e; l! O// Call IDispatch::Invoke(): X# ]. i* S; s
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hr = m_pDisp->Invoke(
! T1 l" t1 Q- @# F requestID,
( S$ J. @6 v6 o) I M' n* f" r IID_NULL,
( o1 h3 u7 I/ N0 R* r* t LOCALE_SYSTEM_DEFAULT,
. H& ~8 h8 t9 I& _! D) V DISPATCH_METHOD,2 ^( l! z# F, v& ~+ b& ~
&dp2,
7 [# j4 `- H8 }$ g0 X/ j J &var,
3 ?3 R! L( V( {1 N &ei,& \' c6 X5 M7 N! f
&uiErr);
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8 f# P ^" r8 {2 Z2 B# | SysFreeString(topicStr);
8 u# }% X) U1 y& u SysFreeString(itemStr);0 X9 D, i3 V5 s q) K( J
请问该程序是获得extend里面的哪个值?
* |0 h) C, w! s4 ?4 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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