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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:% X' }, v1 T, D' f8 D% X. P7 B
Name = (WCHAR *) L"Poke";: u8 ?& T$ }4 d: |* v. q
% M( j" h: T' y7 O7 `9 J& q hr = m_pDisp->GetIDsOfNames () [: O% q% N* @3 a. Q
IID_NULL, // reserved* |. S) {/ d# }4 t: u! B, S
&Name, // Array of names to get IDs for- R& X! s5 e0 h4 h) ?2 I. c
1, // # of names in the array
/ S* l' l; ~- {; Y! Z. n' i/ n LOCALE_SYSTEM_DEFAULT, // System locale H5 A* i4 e, E6 E
&pokeID); // Array of IDs to fill on output6 g2 l t7 \ r1 W
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if (hr)
( H9 w5 N: d& e& H" d {
6 z, ^' Z5 h% Y' {9 l MessageBox ("Get Poke Unsuccessful");
6 z- L2 ^0 J: h2 V3 T return;9 B& R* U( ?, v0 S% V
}
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/**************************传递数据给extend**************************************// n6 J6 r" p! s, b, k) W; ^( a' ^
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
; X2 S: t4 m0 X6 j) q7 u5 \) @ 1 t' c# d+ ^! D- K% \6 {
valueStr = SysAllocString((WCHAR *) L"1232");1 f& i( d w x. Z1 Q/ _# V: q8 F
VariantInit(&pokeVariant[0]);
6 d3 {) P; K# s9 h pokeVariant[0].vt = VT_BSTR;6 @" Z1 ]' a) T
pokeVariant[0].bstrVal = valueStr;
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$ V6 X: p0 d9 ^# E! ^# x f6 h3 f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ ], G9 E& P! Y0 M! Z/ e VariantInit(&pokeVariant[1]); % `( k1 d6 z% n a2 E
pokeVariant[1].vt = VT_BSTR;3 L( W7 x" m# Q0 z; G5 P0 Y) y9 }1 A0 t
pokeVariant[1].bstrVal = itemStr;
: m3 I% }/ a* F# r0 [5 _$ ^! p% p
topicStr = SysAllocString((WCHAR *) L"system");, [3 d" _: B8 M3 _5 J
VariantInit(&pokeVariant[2]);
' c4 t; t1 t; Z+ Z2 H pokeVariant[2].vt = VT_BSTR;
1 J* K1 L/ U8 s4 I+ O8 B, W- p; { pokeVariant[2].bstrVal = topicStr;/ H) e( \7 u, x* ]* O# J7 `! i
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// Set the DISPPARAMS structure that holds the variant.
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0 ]$ M- ]( d$ `) z6 ^# x9 i dp.rgvarg = pokeVariant;$ D: n% \; S7 e+ D, ^5 r
dp.cArgs = 3;3 D$ m# _( _7 `
dp.rgdispidNamedArgs = NULL;
! G. Q# S- T6 j1 T4 H1 P dp.cNamedArgs = 0;$ L9 v% J6 h' q, q
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// Call IDispatch::Invoke()' e1 n" U: f- ~' Q, B: O
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hr = m_pDisp->Invoke(
4 ?# d- V7 D/ j$ U pokeID,: J" q' m, h: C7 h2 [
IID_NULL,
* U; |$ h0 e J$ y1 o' b4 N6 { LOCALE_SYSTEM_DEFAULT,: R3 q" B; J2 P) P1 P
DISPATCH_METHOD,
7 [" W: y1 o3 [: d; `' n9 i &dp,
) J1 K3 H. } a) n7 s' h, \) |: V NULL,6 _, u% s8 k4 @; K4 O) p
&ei,& `# v6 [/ C$ F! ~; O! k
&uiErr);! d4 p6 u$ i' f. b4 {. a
8 O: `6 H$ C6 \2 L: @ K" X
SysFreeString(topicStr);
0 p0 S) v! `4 i# \, K9 ^8 r3 C SysFreeString(itemStr);8 \7 J8 H( i7 S: C- g
SysFreeString(valueStr);
0 Y; |: _! k2 X- D- m$ R. Q' J- p \9 V
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???. b1 {" K# e0 [0 r. L8 Y
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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7 v0 g* e& q% t0 z* B5 L @: \' h& O" F% O4 u2 k1 ~
2.这是request的程序
8 f3 r1 {8 {' A5 [% s// Request a value from Extend
# q/ J% J$ u4 ^0 O) Q// |0 p6 p& i C. b1 T- b2 E% L( \; m
// Initialize the variant that will hold the BSTR. Set the variant's3 h/ e3 }( }4 B
// type flag to indicate the fact that this variant holds a BSTR. Place the
. [, N2 U' l4 h# q6 \, s2 E! v1 ~! n// BSTR into the variant structure.. e- M. { Z# q
& f7 l% k! s2 q1 S. @
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 s$ I8 [/ a: b5 \0 c- H
% t& A8 O5 V" n+ n( l
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' w5 J& N/ Y- P- B# O4 A$ G VariantInit(&requestVariant[0]); ; a5 J# G/ @! E& z
requestVariant[0].vt = VT_BSTR;
2 a9 g5 |' f" J" C requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");& E, r1 M7 F8 k- J/ B& Z: {
VariantInit(&requestVariant[1]);
: C% i" F4 r2 k l7 K. ? requestVariant[1].vt = VT_BSTR;3 n% u" T/ U3 T" _; d/ k0 X
requestVariant[1].bstrVal = topicStr;
2 D4 J0 v5 m# B* Y4 O! {
, w3 S0 `7 a& K3 [$ A& K* k9 j& L// Set the DISPPARAMS structure that holds the variant.8 v+ z' X5 {2 h
. w9 _! S3 @" v& j% O: j
dp2.rgvarg = requestVariant;0 v7 E! y& A5 V
dp2.cArgs = 2;0 U& c! x& a" L$ l1 p `
dp2.rgdispidNamedArgs = NULL;
' |$ o O8 I, z& y. X dp2.cNamedArgs = 0;
/ z( }6 l5 B0 W$ d8 v& c2 |
& z& D4 | D$ K$ S var.vt = VT_EMPTY;* g+ y# F; O3 b# X$ \) k4 I
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// Call IDispatch::Invoke()* a4 e, c0 F# R1 ~8 V
- J) W( F# |5 R2 E/ { hr = m_pDisp->Invoke(
5 K/ T0 g; P% G5 Y+ {9 B' X* Q requestID,5 U0 E6 e$ y2 p7 d* n3 t
IID_NULL,
- G( w8 J# y% \" y LOCALE_SYSTEM_DEFAULT,7 B/ l' P u0 y0 l' h3 K2 _
DISPATCH_METHOD,
7 F8 H- i/ f, B/ U$ i! O7 S8 G" | &dp2,
- c& ^1 J3 A( C* p+ L &var,
/ l7 u: t R1 ^- I6 s6 O7 J &ei,% S8 r( Y$ M) o8 }0 W# s( Q; r
&uiErr);
1 C1 a4 Y8 d7 m4 r% Z9 ^1 a
) J3 v& y" c9 w9 k3 U2 r% W- y SysFreeString(topicStr);& a# I; M: ~/ e- e/ B6 q' b
SysFreeString(itemStr);9 g" d5 I$ d) i
请问该程序是获得extend里面的哪个值?
. j' d& r |5 |2 X/ J! d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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