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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:, B4 W/ H; V0 L# ~% z8 w. R
Name = (WCHAR *) L"Poke";; @- s7 |1 Q- p* [' b
( I/ N& \! R' N$ x- r! E# ~ hr = m_pDisp->GetIDsOfNames (
# a4 m) i4 \( y& u IID_NULL, // reserved
- L* Y5 o& C4 A# |& ?) ]0 @ &Name, // Array of names to get IDs for8 i; D2 D3 u# M g
1, // # of names in the array
7 U& i8 C+ q3 z0 x1 x7 E! W9 x LOCALE_SYSTEM_DEFAULT, // System locale5 j* f3 R* B$ ^% `% S
&pokeID); // Array of IDs to fill on output
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if (hr)% J f( G5 u h5 q4 p
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MessageBox ("Get Poke Unsuccessful");
# z# g- ~* S2 M8 F P7 s# f return;- S2 M. t9 r* X3 r1 `
}
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/**************************传递数据给extend**************************************/7 U# m( S" H+ u" M: c7 [% _9 T
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");6 b) g( Z% \% a- j
VariantInit(&pokeVariant[0]);
4 J1 c& {! _5 ?& y pokeVariant[0].vt = VT_BSTR;
O- P, o% U" ?! F' a pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. v3 Z, q' x3 ~$ W% b' s9 J VariantInit(&pokeVariant[1]);
5 D t- i4 d, q& T J6 x pokeVariant[1].vt = VT_BSTR;
- k6 {8 i j$ ]3 d3 l H. @* x } pokeVariant[1].bstrVal = itemStr;0 E- k7 n: b( J2 h
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topicStr = SysAllocString((WCHAR *) L"system");
; r. t2 k1 k- {( ^9 V VariantInit(&pokeVariant[2]); 2 e+ E# ~- F* n# i
pokeVariant[2].vt = VT_BSTR;
9 I6 N$ `& Y0 f. g- ` pokeVariant[2].bstrVal = topicStr;/ |' J3 A) C0 S6 \* Y; e/ u& r9 W4 U
6 X+ l! h/ Z/ \) {' {// Set the DISPPARAMS structure that holds the variant.
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% q' [# ?; O, E- c' b dp.rgvarg = pokeVariant;
3 L" a5 A [2 o. y) w5 P. h' l" J dp.cArgs = 3;
$ ^- o' X; N, G dp.rgdispidNamedArgs = NULL;8 @ K$ M k. ^; h# l3 K" z$ Y
dp.cNamedArgs = 0;
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" S& r4 k: s w, x. ]// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(; c( d+ Z! a# K- U1 H
pokeID,0 P* M$ B V- g+ e* m: q
IID_NULL,
# D% {0 p; N. P/ g7 w/ S LOCALE_SYSTEM_DEFAULT,
; t8 V9 V4 o- Z L7 q( N7 s/ P6 f DISPATCH_METHOD,
7 y O K* N$ w- D &dp,5 M# F5 a4 S) m1 L
NULL,
1 k$ y" L* Q7 x1 E* h9 R7 a! L; z &ei,
7 H' H( i+ W6 s. h* q4 l$ ~ &uiErr);
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SysFreeString(topicStr);
5 T6 y f# a- w SysFreeString(itemStr);9 C R S1 X" B, c. a+ a( X
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???* `) u8 s/ X3 h e- C' x
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????( C8 k) s' V0 u% P: c3 L
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2.这是request的程序
# ]2 a! F/ o4 f1 O// Request a value from Extend/ s& R8 T3 d) J( a' n* W
//9 A& a$ M" A1 e( q) s
// Initialize the variant that will hold the BSTR. Set the variant's9 k; }6 x" N% k: j- H2 M# d2 R7 o
// type flag to indicate the fact that this variant holds a BSTR. Place the+ I- H/ T$ Y9 j: }1 A7 v0 {
// BSTR into the variant structure.- n3 l6 l+ }7 u: c4 C `
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" Q! w' a4 D# W6 q7 S' W% |$ w. t
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& _: @6 V$ e6 E$ @0 B6 T, S: o VariantInit(&requestVariant[0]);
% F" y, r R, B) G1 S6 {4 D requestVariant[0].vt = VT_BSTR;
3 o9 c3 c# I" L+ O requestVariant[0].bstrVal = itemStr;# m8 m9 K* @& {7 ]2 [4 |9 @
" e- {7 @: G! L, c0 K( y, g3 B" R topicStr = SysAllocString((WCHAR *) L"system");% H, I" R! g* c9 z2 R5 f# F
VariantInit(&requestVariant[1]);
! b$ Z9 V0 s* K7 w( r! }6 [ requestVariant[1].vt = VT_BSTR;
+ ~) _' T! ` o7 ?3 p requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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4 |9 r3 M& P: `2 D+ }3 h dp2.rgvarg = requestVariant;
6 U# _% J6 `0 L: P o! [ dp2.cArgs = 2;2 ]) O# }. _1 t/ e% `9 u, k' j
dp2.rgdispidNamedArgs = NULL; S# V, P9 y7 t/ c! n
dp2.cNamedArgs = 0;( o o, W( C( J( h+ ?: ]0 h4 u# \
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var.vt = VT_EMPTY;4 G) I0 ]5 c8 w. _9 G5 Q- l
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// Call IDispatch::Invoke()1 Z& ^; f0 o# D+ O* m; C5 e
3 Z+ D$ n" ~3 y$ ~8 } hr = m_pDisp->Invoke(
% p' |- w3 c, X- g0 R( n requestID,! d% }( k8 m1 _
IID_NULL,
: ^ K* A8 n+ {$ p: U! _ LOCALE_SYSTEM_DEFAULT,2 j9 p5 Z5 k/ M" ?' B
DISPATCH_METHOD, r( G! O2 G! o: g5 k
&dp2,
5 e, i# ] x% J9 u &var,9 `+ D, }) u. [
&ei,
# H2 G( M0 ~8 ^& t &uiErr);
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$ H5 i2 u: a& `- W SysFreeString(topicStr);. b! u# s& O& ]) H0 h7 r
SysFreeString(itemStr);/ S" Y$ H( V/ ?
请问该程序是获得extend里面的哪个值?
: ~) m) i) [& o, S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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