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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:
. V0 U8 ^( o" c/ B2 V* L" D, KName = (WCHAR *) L"Poke";
1 ]: D# @$ @- J) W 4 n P# E6 e0 e8 V# y8 J" {/ \
hr = m_pDisp->GetIDsOfNames (& X5 o* F$ Q8 C. V9 Y/ S8 ]/ V3 _
IID_NULL, // reserved+ E' T8 N# I% W
&Name, // Array of names to get IDs for( U/ w! l+ X$ e
1, // # of names in the array
5 d0 e4 t4 [. n+ x' h, T2 \ LOCALE_SYSTEM_DEFAULT, // System locale
+ J% k! m2 G" t* V+ ~7 @( a) i &pokeID); // Array of IDs to fill on output8 H! `! B( y+ I" }
% b$ z, }7 R: J! p
if (hr)( W3 P8 P8 n" {( @2 M. g3 L
{8 v3 V. @0 S( A: d6 W% }
MessageBox ("Get Poke Unsuccessful");
9 c# l* E1 `: ^, |4 ~% ^ return;5 K& y7 c4 h+ E* w' O$ m Y
}
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, n. k# g' M; R/**************************传递数据给extend**************************************/# k( L7 t3 {0 |+ t2 [
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# i( h( k- `) G
& R, M$ t7 h/ q5 A valueStr = SysAllocString((WCHAR *) L"1232"); B) O; L2 U. ?; o
VariantInit(&pokeVariant[0]);
! p M+ V5 ]& k: p* D% [ pokeVariant[0].vt = VT_BSTR;
- c2 w- F; l) _0 t0 t- C pokeVariant[0].bstrVal = valueStr;) B$ u$ M' U* e3 I' T1 x9 W
! U- C, K4 J* @) i9 _& | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& N7 V0 W I' V1 L! e' H( h3 z3 u1 J
VariantInit(&pokeVariant[1]);
9 \7 B( s1 C8 c' z# X pokeVariant[1].vt = VT_BSTR;( W- w6 e+ S) S$ S/ [9 |3 W7 P
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");. m" j8 F, b1 H) E( ]+ N( t
VariantInit(&pokeVariant[2]);
' [% L* t! A6 Q B! x4 ] pokeVariant[2].vt = VT_BSTR;
m5 }% J, ?# g' l9 r pokeVariant[2].bstrVal = topicStr;
0 R, ^3 I/ ]( t
. j m+ t) ?& Z2 Q// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;" ?1 X3 r7 v1 k
dp.cArgs = 3;: o4 `3 j6 w; d- g
dp.rgdispidNamedArgs = NULL;
$ i$ d5 S8 ^; J$ k1 ^ dp.cNamedArgs = 0;# [. S$ N0 U% ~1 A7 ^# {
b, P/ o. M7 |+ u. h" Z. h
// Call IDispatch::Invoke()) D) e3 [1 r) m" o
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hr = m_pDisp->Invoke(4 Q4 }5 B, C( S: `/ `0 V* j& ?) u
pokeID, @$ T7 F: ?7 ^
IID_NULL,! e; u7 y) q5 p% o- D5 c. T) @
LOCALE_SYSTEM_DEFAULT,
8 m. R, n: X9 ?* E$ v8 h DISPATCH_METHOD,. p2 b% h1 [- u+ ]& L' z
&dp,
3 l6 @0 ?$ o3 @( @" F# i NULL,
5 Y2 t2 J4 Z" D- L3 L &ei,
& J4 t2 K' k* } &uiErr);4 g+ W: Z, `: z C+ T8 J
F( e* Y- [4 [: n
SysFreeString(topicStr);
9 @ ~% u. `+ X( X* x. u% g' r SysFreeString(itemStr);
7 c- U$ ~+ F" Z ?! [% C+ L5 { SysFreeString(valueStr);7 t5 ^1 p' U' R5 }9 O
! t |" K: Q2 }! E3 S
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???- \1 M9 E y) n$ w
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????
! |7 m& i- w1 Y/ f( J4 y9 f0 ?& s$ s7 l/ ~
! E* z, d+ K Y. X: a
2.这是request的程序
( R8 G3 L2 m1 n3 {7 [// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
, \& A( }5 M6 E! \4 m$ l+ s; ~// type flag to indicate the fact that this variant holds a BSTR. Place the
' R& }7 q0 }$ r* d- i% q0 X// BSTR into the variant structure.
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) F+ n! q5 ?4 x, v7 W requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" i9 z. l+ z9 w h4 k- D3 y
7 m; H( A) {% k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% Q- p' \1 `7 ?5 f! y* b. w9 S w& Z
VariantInit(&requestVariant[0]);
b4 A7 G( q3 |# V+ Z1 K requestVariant[0].vt = VT_BSTR;* S" t: i$ |0 ]+ i* C( P
requestVariant[0].bstrVal = itemStr;, J* z' ~( f: J: I# }# r1 k, Q
! S9 ]0 q( M" y, Z% p5 Z7 \ topicStr = SysAllocString((WCHAR *) L"system");& b* V( e* F D+ @9 q4 K
VariantInit(&requestVariant[1]); " X# \' b/ _6 _0 G1 _
requestVariant[1].vt = VT_BSTR;
9 }! g6 B. n& C# \ requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
, ]" {2 i6 I. |( {3 v dp2.cArgs = 2;
. O1 K( `: H3 Q* M" M1 e3 G dp2.rgdispidNamedArgs = NULL;
6 a' H0 d8 ?7 ? dp2.cNamedArgs = 0;
* U$ k1 C6 \1 }5 R$ j5 E# T5 E1 r& h4 C% `2 @& v
var.vt = VT_EMPTY;$ }0 D" h" o0 p4 T; d' [5 N& j
8 T, F0 E7 f3 M; B# j& l// Call IDispatch::Invoke()% P; a M. p7 R! R% B
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hr = m_pDisp->Invoke(' h& k9 P- U7 d6 }: `9 d9 ~
requestID,
& `3 A6 o8 i' g9 c6 Y: F' L IID_NULL,+ ~6 r; `4 \+ H! p0 }
LOCALE_SYSTEM_DEFAULT,
% X( Q- p+ F6 Y! j: K* j1 B DISPATCH_METHOD,0 s; D/ i( F: F9 \$ I( \
&dp2,) {. n# @. l, b1 e, ]) I$ s' t& S6 H8 u
&var,
' A2 v$ x& W A. n &ei,
9 @! B" W2 Z9 J, j0 C x5 E- o3 s, G &uiErr);
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SysFreeString(topicStr);
! [$ B' d8 f: f0 @1 U5 m8 l7 ? SysFreeString(itemStr);3 j1 X; }% G$ P/ Y+ T
请问该程序是获得extend里面的哪个值?
! F* N2 f% G( m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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