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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:4 D3 b; q% l7 ?8 [
Name = (WCHAR *) L"Poke";2 Q8 _; `9 Y# Z) l
# {& |4 V. ]+ V% {! W hr = m_pDisp->GetIDsOfNames (1 o& D/ x" [! e+ E' x& g
IID_NULL, // reserved% u9 J+ n* C/ ?- W$ t0 Z9 @$ |* O+ A& w
&Name, // Array of names to get IDs for% D" ]' G7 L9 y5 n
1, // # of names in the array* a1 O" ?1 B1 C- X' d% @+ Q7 \. m
LOCALE_SYSTEM_DEFAULT, // System locale% s7 {5 `1 M4 w: [5 o& s
&pokeID); // Array of IDs to fill on output5 V5 T3 f" ~5 R n# X7 u
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if (hr)
. {, x7 u6 H6 ^, t8 s {
/ \- n3 o1 k" z* t5 N% y7 Q) X MessageBox ("Get Poke Unsuccessful");5 |- E& J6 F5 C. Y. S0 F
return;
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- E# y* ]" S; H9 u1 o- g4 ]8 b/**************************传递数据给extend**************************************/8 w5 K' L8 F J1 `" V' A3 K m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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, | J: o* h7 t: G( g7 p valueStr = SysAllocString((WCHAR *) L"1232");
" [7 T9 m! |. T4 w6 J3 ?# T( A( G! j VariantInit(&pokeVariant[0]);
. l' G* z5 |" m1 b0 c1 S pokeVariant[0].vt = VT_BSTR;- r, s: c1 u8 t% b) E, ~: W" n
pokeVariant[0].bstrVal = valueStr;: P/ R6 I5 _5 @- X& a
; ^ m' _1 T# s
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! e+ u, n9 ?3 h- l/ M3 d6 | VariantInit(&pokeVariant[1]); " d0 R4 E: F0 P* x+ v
pokeVariant[1].vt = VT_BSTR;
, x8 h) u/ l# C% A* u2 S pokeVariant[1].bstrVal = itemStr;
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- r( R$ H% Y; m topicStr = SysAllocString((WCHAR *) L"system");
7 f, m8 L9 Y: G* k. q" k VariantInit(&pokeVariant[2]); / {7 T* O2 X0 |( R; b ~
pokeVariant[2].vt = VT_BSTR;0 Z2 D. `; r/ ~5 H! O" M- K, i
pokeVariant[2].bstrVal = topicStr;
% i! u7 a/ D% Z
4 Z1 f# L, I- C4 m6 X// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
! ^: x, I2 O) I f' Z dp.cArgs = 3;8 |) D& Q- Z' q" q
dp.rgdispidNamedArgs = NULL;9 @+ M5 O) v- y( F/ p
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
% t( l8 W; t8 h* A- c# W7 Y pokeID,
) m, c- F/ E6 s( x: p IID_NULL,+ I" e0 J l3 [) |
LOCALE_SYSTEM_DEFAULT,) W; `4 |. f% `; J. Q- h
DISPATCH_METHOD,2 I" U$ f) |0 |# v( t
&dp,
+ _3 A! [; {) i5 S: {1 q NULL,
3 S+ e, F8 j4 t+ o2 x. @; J% \ &ei,9 j" i5 ~: `, u; }$ D7 e
&uiErr);
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9 Y/ h8 y4 w8 y! ~( R SysFreeString(topicStr);
7 C; v+ `3 W1 L7 I' A5 U+ s SysFreeString(itemStr);2 x, K1 G- V& N! _' {1 W0 e
SysFreeString(valueStr);3 A+ I& Y {& D1 a
+ n( b6 B. _! P* Q: z8 _
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???/ w. J5 m% I; T
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????) }; D, z6 R6 R0 L' K; y
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2.这是request的程序
3 H" Z8 }) W; b( y// Request a value from Extend
- `: l; m$ \# I9 d0 L- u//
' E6 I4 M- Q8 D9 b* R/ l# x// Initialize the variant that will hold the BSTR. Set the variant's: [7 ]6 z8 f' k2 S# _. Q! C2 ?
// type flag to indicate the fact that this variant holds a BSTR. Place the
" k3 F* u T3 T7 U// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 `. n( k* o6 T. c: f$ v4 ] VariantInit(&requestVariant[0]); 4 Y0 s! U1 @ R( ~
requestVariant[0].vt = VT_BSTR;- w- e& j& h4 A# o/ A7 i9 \
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");, _# `! u: r$ y
VariantInit(&requestVariant[1]);
X% w1 O5 l2 q requestVariant[1].vt = VT_BSTR; j C1 y' u( U- f# }, F8 p/ f% [; d- _
requestVariant[1].bstrVal = topicStr;
; L- O f* m- U0 H9 ?( `% K+ y- F8 i
// Set the DISPPARAMS structure that holds the variant.: r; ~5 ~6 j h5 v4 p9 H; S4 p
3 S; L: }; h [6 g( r dp2.rgvarg = requestVariant;
7 W4 t& t$ s3 K/ N- p2 z" H dp2.cArgs = 2;
/ d6 a: o; F: T+ q$ M dp2.rgdispidNamedArgs = NULL;+ w( u) E ^* v% r w. r1 z9 ~
dp2.cNamedArgs = 0;) R+ s( E! ?* A
6 {. M+ M: z$ K. t var.vt = VT_EMPTY;1 y6 D" `) [% K' M% n4 ]; ~8 {9 i7 M
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(& L* W6 b3 y5 u7 g/ z8 J
requestID,
6 e# E* j4 A+ O( T7 [6 \6 N IID_NULL,
. i. C( S9 ~' s LOCALE_SYSTEM_DEFAULT, s2 |" a; x$ r W; p {- F
DISPATCH_METHOD,
/ n2 L5 m0 r, ]( I- \$ J* F. O4 P &dp2,8 _3 f( O- _ v- C* R* W' l I
&var,0 ]8 Y+ A' A6 O( T- B
&ei,
' s" R2 T9 K8 _( K% \9 t+ | &uiErr);
, J4 Y% Z- @: b8 u5 @4 w& X5 T6 [! {6 c# f8 o
SysFreeString(topicStr);
9 Y9 Z0 c) N( B. ]* K( A( c SysFreeString(itemStr);" u+ P4 u" R# A6 c4 n& I! P
请问该程序是获得extend里面的哪个值?% `' b; P" Z+ e. r0 ] C
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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