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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:
* H; C" \+ b9 d: EName = (WCHAR *) L"Poke";
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2 W( l/ C. K0 m1 W. | hr = m_pDisp->GetIDsOfNames (
3 a% M0 I* ~" I" }" |& j: d) M# D IID_NULL, // reserved
* p$ H- t, S% [) k &Name, // Array of names to get IDs for
% ~) L8 S3 d- W+ ^% `1 ?, I0 S 1, // # of names in the array
& X9 F( Q0 j5 ]9 U LOCALE_SYSTEM_DEFAULT, // System locale
; I% Z9 W+ O5 A* P &pokeID); // Array of IDs to fill on output/ d8 h/ ?3 W8 l9 U$ @
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
6 |% ^% s' }+ R return;7 y3 i5 @# D$ j" R
}
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( ~- T. G0 @1 c9 k/**************************传递数据给extend**************************************/: v. Q. W9 x. d I/ c
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ {4 O$ f7 V; \ B+ V! `2 E$ j
0 L/ K/ Z5 D# k3 L" g8 `6 Q0 x valueStr = SysAllocString((WCHAR *) L"1232");
6 @- M8 ^8 ~( C/ _: d; H VariantInit(&pokeVariant[0]);
3 i- O' A$ A' k t( P pokeVariant[0].vt = VT_BSTR;
4 n/ `( [/ c0 O) ]% a3 }# D pokeVariant[0].bstrVal = valueStr;
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$ j' e' C* _8 l O. _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, B( S! m& _; U VariantInit(&pokeVariant[1]);
- G/ k$ [5 r- d4 Y" C4 d pokeVariant[1].vt = VT_BSTR;9 a1 w# q ^, Z/ N9 b
pokeVariant[1].bstrVal = itemStr;. U2 a p8 w7 {" Q
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topicStr = SysAllocString((WCHAR *) L"system");
/ y" |7 v3 Y1 _+ a; c% _ VariantInit(&pokeVariant[2]);
, c6 U1 H( M4 X6 B! f) `8 g2 O pokeVariant[2].vt = VT_BSTR;0 A: w* m8 ^* g: H
pokeVariant[2].bstrVal = topicStr;6 h- G$ I! S; s/ p
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// Set the DISPPARAMS structure that holds the variant." U. W$ s- l! j
. p2 _% _( n0 d% [ dp.rgvarg = pokeVariant;
8 U: n' F W; @1 y; E9 P3 c- P dp.cArgs = 3;
8 U, f" x& E: _' y: M; ~# H3 C( x' K dp.rgdispidNamedArgs = NULL;
6 ?" B/ U" b9 q# C1 w4 u7 w dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()$ L/ i5 W7 O( r- C- F' g) Q
' f1 ]( w$ y- e/ [, u/ q- n hr = m_pDisp->Invoke(4 t* v* p4 _) J
pokeID,6 G# @2 W5 @! {* E$ `+ `$ [5 H
IID_NULL,' l/ l" ?! Y( _# p, Q
LOCALE_SYSTEM_DEFAULT,) G" \! X9 C- E; f8 ]
DISPATCH_METHOD,
! u- J3 M0 G7 @$ S4 H4 Q f" ^ &dp,$ E: n3 F* `3 ~; j! {5 C
NULL,
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&uiErr);5 q9 W6 V' P. g9 d5 a2 |8 p4 |
' B# g9 h& y8 e$ b* r& h SysFreeString(topicStr);( R) L9 u F/ p
SysFreeString(itemStr);
# k/ o9 b9 H) c6 a2 Z$ e! o, h SysFreeString(valueStr);/ r1 L# H) O$ k( I
2 ~/ j5 o$ s% H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???% q' z, r& H& |7 M/ d
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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8 \% q" X u9 ~+ c6 E$ |2.这是request的程序
* n/ [5 q' U7 M// Request a value from Extend* L" L3 w3 f* a+ S- X+ _: i
//
. m4 _% d! V0 ~ j// Initialize the variant that will hold the BSTR. Set the variant's% j3 j, ?. R, d% N7 @
// type flag to indicate the fact that this variant holds a BSTR. Place the
2 A5 l8 p6 ^. o1 W) Z// BSTR into the variant structure.
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6 r6 w$ j F/ H' [8 \$ q) f/ a requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* p" {; K: P: J% s" ^3 d3 k
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' y. P. x& C/ |' g8 I1 k& L VariantInit(&requestVariant[0]); " M7 ^$ u& Q+ r) X
requestVariant[0].vt = VT_BSTR;
& {1 [6 s9 X0 q7 M requestVariant[0].bstrVal = itemStr;
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2 F; I, e$ I6 M% y" ] topicStr = SysAllocString((WCHAR *) L"system");8 h" t2 P! D0 @+ v7 Q
VariantInit(&requestVariant[1]); : X" P% w( g7 r0 q! M9 A
requestVariant[1].vt = VT_BSTR;
8 J: G. ?( W6 s9 a requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.1 G! _1 \$ v3 p) r& x' ^
C. X# I ]7 P9 J4 p2 B dp2.rgvarg = requestVariant;
" A! h- v$ ?7 g" d2 I dp2.cArgs = 2;
1 e' O% ]6 Z. p0 d, m* [7 ^9 {% [1 c dp2.rgdispidNamedArgs = NULL;5 B. ~/ s/ [! C2 v
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;; K" Y- M9 ?3 B1 n' N$ {
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// Call IDispatch::Invoke()
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9 T4 p3 G" f/ O; X+ o8 S2 y hr = m_pDisp->Invoke(2 b8 B0 I, E3 m# g* w
requestID,; m5 b( N% m; s& D" |' ^- p& X5 k
IID_NULL,
6 Z& G0 w2 K0 ]( I LOCALE_SYSTEM_DEFAULT,4 J; `) H% Q6 j
DISPATCH_METHOD,& `+ D _0 w X) ], t! S- Y; o4 Y. r
&dp2,
6 A: W2 @* |6 O2 U5 G &var,7 T0 W; y) t* Z3 M
&ei,' [$ E5 A' u7 j M! W U' a0 v( z& {
&uiErr);8 d3 N6 e- u, J1 u0 d/ G; R
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SysFreeString(topicStr); `+ W J5 [. [3 A, G
SysFreeString(itemStr);
$ u `9 v) o7 K3 E+ ^请问该程序是获得extend里面的哪个值?. I" u# B8 U8 T6 F$ B& W" [, Y
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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