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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:( v) X2 y8 X, c$ j$ y
Name = (WCHAR *) L"Poke";
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7 z2 }0 p0 F! Z/ A" T hr = m_pDisp->GetIDsOfNames (
$ x; c/ a1 f' _, d' p IID_NULL, // reserved
) X4 F0 E: g% r# W* {; t1 h5 l &Name, // Array of names to get IDs for' K2 L/ j: z8 U5 Z
1, // # of names in the array
* Y/ j) D8 V* V- r7 G& {7 Z9 F LOCALE_SYSTEM_DEFAULT, // System locale
2 A' n8 a, W( T+ D &pokeID); // Array of IDs to fill on output
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if (hr)
+ I9 N* l; k% s; e Y n+ F& K) E {
( R/ e& j5 j" l2 ]4 ]% t+ [& F MessageBox ("Get Poke Unsuccessful");% R' i6 g( _: w- u8 w2 o
return;
0 I( y! C0 q9 I R! l8 |% ^9 g+ | }
0 i9 d% g8 v. @' E
9 N( H: t( T( p# D. v/**************************传递数据给extend**************************************/; }* l- H% R4 i, I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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8 q% [0 E0 k8 ~2 N valueStr = SysAllocString((WCHAR *) L"1232");9 M! d! W- }7 x
VariantInit(&pokeVariant[0]);
1 z. y7 o( |( w# |3 g1 V! R% {0 K pokeVariant[0].vt = VT_BSTR;
$ v. E& a; y; }; h pokeVariant[0].bstrVal = valueStr;! l( a5 c' \+ `6 a* D
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 L8 ]5 a1 I% @9 |; Z( x
VariantInit(&pokeVariant[1]); & \+ E1 |0 R4 x' k
pokeVariant[1].vt = VT_BSTR;* `* e7 T) L9 s- D
pokeVariant[1].bstrVal = itemStr;
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, E7 [$ M0 N; o! V$ s topicStr = SysAllocString((WCHAR *) L"system");4 \: I5 Z# ?3 L/ ]+ h
VariantInit(&pokeVariant[2]);
& l9 b/ G5 X- d7 l0 D# d' g pokeVariant[2].vt = VT_BSTR;
6 w6 ?4 ?% O. J7 p' M) a pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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0 e" Y8 U. H/ I" @ g dp.rgvarg = pokeVariant;
6 W% ]+ w3 K0 N& t3 N" {2 A dp.cArgs = 3;& Y4 @3 q: E( Q1 h0 m+ ^
dp.rgdispidNamedArgs = NULL;2 x1 Z2 }/ r4 `" M
dp.cNamedArgs = 0;$ G8 O! d& }. R* Q) O1 p ]- |
, t$ A$ ?1 W; Y, j// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
, W% k! ]( e6 @ pokeID,9 ]) D3 \: ]' o N. o
IID_NULL,: B8 _" N. V0 A5 Y/ O4 t
LOCALE_SYSTEM_DEFAULT,
2 P. x4 q$ {8 t% y9 i DISPATCH_METHOD,
9 z! f! U3 P2 y& @3 Y- d* C7 U &dp,/ f9 e+ a- a1 V4 f3 h( o
NULL,2 H( T5 {2 k7 s, v" o
&ei,
7 P; z8 w( ~* H0 t, w &uiErr);
+ T9 ]" @% V3 B0 d" i# a, H4 k6 }7 r+ D; d" k
SysFreeString(topicStr);
/ e' W2 I; c( s# Q SysFreeString(itemStr);. x4 W) H; x' X& Y& |8 n! c& S
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 Z( ]# g, h2 Q6 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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2.这是request的程序
# o$ ]( B6 w3 N9 G0 Z ]// Request a value from Extend
% T5 T& U' i m$ E: \* n//
% |* }; n7 _ M& o// Initialize the variant that will hold the BSTR. Set the variant's6 ~1 i- K( `3 Q6 o5 z- v$ X" R
// type flag to indicate the fact that this variant holds a BSTR. Place the- _6 t2 _) B( I+ p" {
// BSTR into the variant structure.
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. [ Y" ]! A* r& K; z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( a5 I- f* N2 a7 h7 J" {
1 D9 H: Q& s( @/ T& C# R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! H; O6 x. h$ }. { r; z1 ^
VariantInit(&requestVariant[0]); , Z& Q$ }' _+ L( n% D1 \3 U
requestVariant[0].vt = VT_BSTR;( p7 v0 {" u% u. |
requestVariant[0].bstrVal = itemStr;$ L6 Q i; N) U% E/ }3 H. E
d3 o0 s3 Y8 Y2 E topicStr = SysAllocString((WCHAR *) L"system");1 y* o [# a" y& a/ I' Y
VariantInit(&requestVariant[1]); # M3 _. e y: g3 `/ n6 U
requestVariant[1].vt = VT_BSTR;! J. Y( l. \* J
requestVariant[1].bstrVal = topicStr;- P7 f) u/ E1 t6 ]! _
* k* h& E8 V3 W0 k// Set the DISPPARAMS structure that holds the variant.
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$ C. E# i- O4 s" o" S) Q dp2.rgvarg = requestVariant;
5 \. M. m' g& @% W, b0 l8 B4 y dp2.cArgs = 2;: O6 B) l8 u$ z9 F1 w; T" C
dp2.rgdispidNamedArgs = NULL;
9 p1 ~' J6 `# |% f( @% s" o dp2.cNamedArgs = 0;9 R; c8 d% `0 j0 }
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var.vt = VT_EMPTY;. L' V: Q" j; c0 Z- K6 B5 e
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// Call IDispatch::Invoke()7 T$ E# d) w7 M! ?8 J
! }: d' q5 |' q0 ] l: Z8 X" z hr = m_pDisp->Invoke(' G& @8 l5 D% B
requestID,
7 a/ u' H" n; B# Y0 P IID_NULL,4 t! g7 x6 f! w8 u; [5 i$ A6 i0 N
LOCALE_SYSTEM_DEFAULT,% d, z; h0 F' X& N
DISPATCH_METHOD,
! w4 S i4 q. y4 `! P# z &dp2,0 C) d* o, e) c* r, K4 k1 x$ ~
&var,/ B6 }, H% v( {; S' S
&ei,( p7 v) {, c: y+ I( h0 c
&uiErr);
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SysFreeString(topicStr);
' ]8 P1 {. @; p. Q. f x SysFreeString(itemStr);
+ |% F7 W- z7 {请问该程序是获得extend里面的哪个值?
! U5 _. J+ p) ]: U/ J- n+ _- b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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