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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:( U5 }' K2 @! J% T& q
Name = (WCHAR *) L"Poke";$ c3 Q% H- _6 D1 g. e4 m
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hr = m_pDisp->GetIDsOfNames (
( a: v( V/ R" p. c/ q3 f$ B+ b IID_NULL, // reserved
2 r# G v% r0 q6 ]" c &Name, // Array of names to get IDs for
/ C3 e$ M7 z6 l. M% w. L 1, // # of names in the array5 S" n& M3 c9 j& j) N5 E
LOCALE_SYSTEM_DEFAULT, // System locale9 i J$ z9 X6 r E
&pokeID); // Array of IDs to fill on output
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if (hr)* h w, m! Q9 x* H
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MessageBox ("Get Poke Unsuccessful");* l( O+ o* a9 N# V& X6 K
return;
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/**************************传递数据给extend**************************************/
3 M9 U2 x: _# d7 M5 C. I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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. B# M/ Z9 g0 ~2 V ` valueStr = SysAllocString((WCHAR *) L"1232");
" V$ m, z, G5 o, K. D: B; f VariantInit(&pokeVariant[0]); : X8 o# L2 `' G3 h
pokeVariant[0].vt = VT_BSTR;
! R9 [0 i. d p2 f# b pokeVariant[0].bstrVal = valueStr;
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/ I- C0 I! N+ _ A- Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( N/ \. b6 p5 P
VariantInit(&pokeVariant[1]); ; o4 S i- `: c, K
pokeVariant[1].vt = VT_BSTR;
1 n7 a) P, d% P p4 N, m; q) n7 x pokeVariant[1].bstrVal = itemStr;' f+ }8 }7 }+ I
8 P. q3 v: W9 G2 L1 G. {
topicStr = SysAllocString((WCHAR *) L"system");5 Y6 Q$ T+ n0 [( j- ^
VariantInit(&pokeVariant[2]);
' S; n1 t: e* M, J4 K pokeVariant[2].vt = VT_BSTR;
8 k+ y/ b# ~( f pokeVariant[2].bstrVal = topicStr;* K2 L4 H* B* |/ }$ J' \6 R# T
0 w4 p8 ~2 R) _) S// Set the DISPPARAMS structure that holds the variant.) O7 m+ J6 y6 U5 }3 u; n5 f! N
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dp.rgvarg = pokeVariant;, V1 T& D8 q3 Y- w& v
dp.cArgs = 3;- Z% ]0 W$ [( r
dp.rgdispidNamedArgs = NULL;
0 N* J: ^; [5 \' O; E. O dp.cNamedArgs = 0;4 O" F3 r t6 p1 u5 o( f7 c
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// Call IDispatch::Invoke()3 F; \/ u+ w# H4 v. ^
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hr = m_pDisp->Invoke(
+ ]( S" ]7 R) `% F pokeID,8 S) n: j, ~. E5 b# D7 j3 Z
IID_NULL,
. K8 j/ g+ _* w- S) o LOCALE_SYSTEM_DEFAULT,
, g" Z% x9 B* J9 @5 U6 F DISPATCH_METHOD,
# n) s+ y0 |3 y7 l! Z3 f &dp,; F5 f Y$ n, b! e( G( w" i3 {5 s
NULL,) Z, _2 I& ^6 k9 d4 c
&ei,3 R9 \/ j' O' H2 B6 u- e
&uiErr);
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SysFreeString(topicStr);3 h+ j0 F! q+ f4 m) m
SysFreeString(itemStr);
& c5 `. ^ e3 m5 R7 O6 Z) O/ _ SysFreeString(valueStr);
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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???
2 E. |2 S$ m/ c9 y5 I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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1 F- W6 m& Z, p3 I2.这是request的程序
/ c; v1 v" S) f# C; Q// Request a value from Extend3 t9 k9 |; Q: j \2 `6 D0 A* m
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// Initialize the variant that will hold the BSTR. Set the variant's
% h; {9 G+ Y; y# V& H; p! w// type flag to indicate the fact that this variant holds a BSTR. Place the
% s% q- K0 {4 ]) D// BSTR into the variant structure.
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# ^9 i+ D( O! _' A7 [! s/ f& x3 U requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 J# ~: A4 q1 [7 L9 E
VariantInit(&requestVariant[0]); # S/ l* N3 b* ]
requestVariant[0].vt = VT_BSTR;
/ l) N7 d( R2 {+ D4 s6 L6 c requestVariant[0].bstrVal = itemStr;
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# y' O/ B* a" M* Z0 i+ X topicStr = SysAllocString((WCHAR *) L"system");; I7 y+ x) r5 ^8 r2 ]
VariantInit(&requestVariant[1]);
- s9 W8 J$ n* A9 A- j8 g7 b- M requestVariant[1].vt = VT_BSTR;! g9 C( G2 _. k1 w1 N v* \
requestVariant[1].bstrVal = topicStr;) T/ c- a: x) k% m% q# e
2 Q- V! g! V7 S4 S2 L! h// Set the DISPPARAMS structure that holds the variant.3 D+ G5 l; H$ H
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dp2.rgvarg = requestVariant;
3 a' z1 v% ^; j- J) A dp2.cArgs = 2;5 F6 ^/ T4 Q, i4 H0 A/ @
dp2.rgdispidNamedArgs = NULL;
0 h" `* ], p1 f dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;9 U3 [& g3 a9 {2 P) L/ l; e! k
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// Call IDispatch::Invoke()- [9 c6 U# V. @$ S; w4 L
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hr = m_pDisp->Invoke(; J- `) \2 ^; ?0 T8 h
requestID,3 j3 Q% C [1 b8 o* D
IID_NULL,
4 H n8 Y4 d# u, _% _ LOCALE_SYSTEM_DEFAULT,
, S. v& m+ y. _6 T DISPATCH_METHOD,9 b5 c r; v& T
&dp2,
1 I T* ~8 c8 f4 f" a &var,3 [- R0 Q @+ I9 @. h1 e
&ei,- x# [) ]( S! X0 w, ]3 B% l
&uiErr);
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, k _; c+ ], {/ d: Y SysFreeString(topicStr);
# T+ Y$ c) s$ O" B3 Q SysFreeString(itemStr);
! Z" z3 t8 G H# U2 ?( L请问该程序是获得extend里面的哪个值?' o! \7 b+ x5 u4 X i* S/ k
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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