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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 P [$ X5 Y: \: ~6 K% X* K1 i
Name = (WCHAR *) L"Poke";' C: H% w3 x' f6 X! G
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hr = m_pDisp->GetIDsOfNames (9 n, c, Z! S/ b8 c' B
IID_NULL, // reserved# ?7 F* t4 S; u& v4 I4 T
&Name, // Array of names to get IDs for0 H& H2 i( Z4 s* x: v) o# Q
1, // # of names in the array
* N- ^: G3 ^( o& A0 j LOCALE_SYSTEM_DEFAULT, // System locale
( w& V# W2 E) Y! ` &pokeID); // Array of IDs to fill on output5 b$ @, g- L; F/ C
) D4 B/ K; o( B8 y/ J" k if (hr)$ h" c Z6 v0 t. L' T
{+ i7 b5 s4 \) t4 c6 S1 X5 O7 {
MessageBox ("Get Poke Unsuccessful");9 w% E2 v3 d9 u1 b2 D% \; {
return;7 q V0 X# e. Y6 c
}
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/**************************传递数据给extend**************************************/
7 Y% g% T2 E1 p: m pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
, a' Q0 b/ f% i- o' k9 H8 ^' K
8 G9 l& a* d' D. e' W; s9 ~. ` valueStr = SysAllocString((WCHAR *) L"1232");/ J& \3 v5 ^, x: a9 m0 y: i2 }
VariantInit(&pokeVariant[0]);
; c/ }, s" o6 l" Y ~; ^' N pokeVariant[0].vt = VT_BSTR;
* f$ W `7 C+ t1 _7 u/ K pokeVariant[0].bstrVal = valueStr;
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# o2 Y" P, y, R5 E" d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 m( m5 }7 e$ _ VariantInit(&pokeVariant[1]); $ R! [, [2 Z- J; i
pokeVariant[1].vt = VT_BSTR;$ }- @% Y$ \/ o% y8 a: }; X: N4 S
pokeVariant[1].bstrVal = itemStr;6 {3 U1 W* g" _7 U6 Z" J, p( H
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topicStr = SysAllocString((WCHAR *) L"system");' t$ a i9 I) V/ m$ m+ B
VariantInit(&pokeVariant[2]); s+ E* O1 |5 Q
pokeVariant[2].vt = VT_BSTR;0 H+ N$ m7 z& Y/ i. S/ W
pokeVariant[2].bstrVal = topicStr; n1 r4 A+ {+ R4 \4 R x
# _( m$ _) Y" W4 N3 b2 ~3 o// Set the DISPPARAMS structure that holds the variant.! ~2 e5 r3 w* b
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dp.rgvarg = pokeVariant;
z) T _; T" I: J dp.cArgs = 3;1 X# i) i3 \0 A' X
dp.rgdispidNamedArgs = NULL;
, e' n, g2 h0 B7 c: `9 e dp.cNamedArgs = 0;8 z1 k' p" R; ?2 e6 w
q; r7 [+ c0 z$ o0 g9 E// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(/ h$ r8 C. ]+ U* W a" [: W
pokeID,4 F& J# q+ o, A, ^7 G+ f) f3 @
IID_NULL,. L! l" a4 m2 {2 F8 w
LOCALE_SYSTEM_DEFAULT,- W( U% v6 j: [- D* n( K
DISPATCH_METHOD,, m, H: ] p8 Y( }
&dp,$ s+ G( u5 y" Q, y% q; ]
NULL,1 z# |7 ?- N5 u, P4 ]. `1 d
&ei,- G2 @% n% } z ~: a
&uiErr);
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/ B9 }% v0 k: {1 _* F SysFreeString(topicStr);
- } X/ w( G- Z$ J& y SysFreeString(itemStr);2 i6 T# Z2 `; F8 L3 {0 A) b
SysFreeString(valueStr);
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" `/ ~+ j9 G6 [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???& ~# A ~3 |% e% h
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.这是request的程序$ A+ g2 G) K8 n, a: v% T
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
; x. X: D, A( b$ q. y- J1 K// type flag to indicate the fact that this variant holds a BSTR. Place the4 T7 x+ I- S1 i6 e) F
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( S0 K: i& ~; C4 ]1 d/ Y9 Y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( g' Y5 N5 V9 a7 w- S/ k VariantInit(&requestVariant[0]);
, l( l9 |8 u; E1 I0 M" r9 V( V requestVariant[0].vt = VT_BSTR;
! }) O5 J) F; _7 |0 I3 m& z requestVariant[0].bstrVal = itemStr;: ]0 p& i0 @$ y- Q4 p& `6 q9 n& n
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topicStr = SysAllocString((WCHAR *) L"system");7 o! L M7 j+ ?- x& ]# S
VariantInit(&requestVariant[1]);
9 ]6 ~3 R+ q! p' ^ requestVariant[1].vt = VT_BSTR;5 C4 f( H m9 ^* X0 @- U
requestVariant[1].bstrVal = topicStr;6 }& D+ G# J ^0 x
1 F1 r) c9 }9 \# t// Set the DISPPARAMS structure that holds the variant.
3 }+ a0 c0 k6 R
0 v7 F- Q& N1 {: n! R3 z9 y dp2.rgvarg = requestVariant;
8 w0 E- c, e0 k% m dp2.cArgs = 2;
h4 V. Z6 v. L" @) I dp2.rgdispidNamedArgs = NULL;
' r& M- ?) Q! t. c! ]# x2 ?/ I: R dp2.cNamedArgs = 0;6 r7 e* y+ U/ [ m5 Q
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()9 \2 E- c8 v9 r6 f* h) H# R" Q
" Z) Q, i- p1 c9 m! |: a& |* U hr = m_pDisp->Invoke(
# z2 U# B8 g j. P8 J1 K) R requestID,+ K, I/ P! H" R& o% m
IID_NULL,! S2 f: Z; Z: b6 A! K
LOCALE_SYSTEM_DEFAULT,
4 k; D6 e8 ~1 y+ ~ DISPATCH_METHOD,
+ K) a# `& K, W" A% r) H &dp2,1 K' N5 y% K8 X U
&var,
- @9 d+ p! C0 C9 v* I6 U$ j$ w5 d$ W &ei,
/ q6 ^6 ~% f: X% H% N &uiErr);
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SysFreeString(topicStr);, K8 ]2 N O6 A& {) i; S, \* W
SysFreeString(itemStr);) `' j* c- r0 y5 ^3 _% x k
请问该程序是获得extend里面的哪个值?( B" H z. X2 B9 g& ^1 J$ z# [. l
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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