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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:
. r8 d( d2 h$ ]( e; X {4 }Name = (WCHAR *) L"Poke";
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2 [7 \1 W/ j, P: b+ S% ]8 ~ hr = m_pDisp->GetIDsOfNames (
3 p) y2 g" ?0 u; p) y+ [ IID_NULL, // reserved
$ v# K% l& `0 O9 w &Name, // Array of names to get IDs for
8 d9 `* b5 u" I1 z- |4 f6 y 1, // # of names in the array
, a! x6 }% |8 c( H LOCALE_SYSTEM_DEFAULT, // System locale
7 ~' X0 w8 j8 k+ ^9 ` &pokeID); // Array of IDs to fill on output0 i( F2 }( Q+ C5 \
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if (hr)1 o1 N' A% h4 z2 e0 O d
{
& K( x7 f9 o- W! H; \ MessageBox ("Get Poke Unsuccessful");
# ]1 h& t1 q J8 g1 r/ U return;# ^0 S7 w g. Q* ~9 c( c2 B3 S) J
}
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/**************************传递数据给extend**************************************/
: [: e( I% L! @% E pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 u) Q3 O) P$ Q% R& h
. s2 I5 F9 \/ T/ m) Q) K D1 @1 J valueStr = SysAllocString((WCHAR *) L"1232");
, }! o9 @: J* L& E) j VariantInit(&pokeVariant[0]);
8 o6 W0 `" g: N3 C, V- k pokeVariant[0].vt = VT_BSTR;
# P Q( Q+ N, |9 O. W9 i pokeVariant[0].bstrVal = valueStr;0 h8 k" a! O- D, {/ I
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( P" |# n6 d4 O' ]* @9 O4 V! v' U VariantInit(&pokeVariant[1]);
$ J! k& o, d( { pokeVariant[1].vt = VT_BSTR;: d8 M( F$ b' k) n& f% r
pokeVariant[1].bstrVal = itemStr;- P) c8 s; L& y$ n
; X- T! m% l- F7 l+ E topicStr = SysAllocString((WCHAR *) L"system");# W4 s/ v7 u7 r, I% x1 i( {
VariantInit(&pokeVariant[2]);
0 B# x5 J0 a% ]/ ?) D. S: |2 ] pokeVariant[2].vt = VT_BSTR;
2 a G* U+ {$ s* R. ] pokeVariant[2].bstrVal = topicStr;& C* ?$ c2 [4 M9 V6 p4 T* V
5 o$ ~/ D, v5 p# v9 F1 B+ L// Set the DISPPARAMS structure that holds the variant.
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" u) Z9 o; @ l$ u) g9 E9 _- v Z dp.rgvarg = pokeVariant;" P6 f& ? \" O! L& {
dp.cArgs = 3;* D# r5 @% E& f4 l, z' ~ X
dp.rgdispidNamedArgs = NULL;9 z; e' m4 M6 x) K/ R
dp.cNamedArgs = 0;7 `" p+ G; |% Y' m5 ]2 ~
( B k) H+ u; K1 { Z3 l// Call IDispatch::Invoke()$ Y' ~' K! @ ]1 H" k
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hr = m_pDisp->Invoke(1 A) }! s2 {6 d
pokeID,
& j) y' m& D; T3 \0 l" K& Y IID_NULL,/ B0 N( Z/ ~3 J: n) ?* `
LOCALE_SYSTEM_DEFAULT,3 q( z7 ~: d9 Q d" ]
DISPATCH_METHOD,
X7 I6 k* n+ ~. Y: e &dp,! r9 M. M3 l4 c
NULL,; A8 y* i# f; F
&ei,
3 J. n T! b! Q8 {) x& v, V &uiErr);
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% g5 j$ j2 W4 z* F; m SysFreeString(topicStr);
, T/ ^) k8 z9 V6 A3 C SysFreeString(itemStr);
4 |; }0 w; S' O2 ?2 B! L/ D/ e SysFreeString(valueStr);: k7 _. h' A, @2 \" d/ g1 X" X
4 q- }, s/ a y" i" k, B
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???
. o2 r: Z9 m8 [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????! H. d# m8 C/ Q% e& s _( h9 \
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5 B" C5 Z! m! G& t
2.这是request的程序% z/ o' I, a& B( m
// Request a value from Extend& o$ K+ d C8 {. i
//* l6 n) K% u) ^2 @# Q2 P- L
// Initialize the variant that will hold the BSTR. Set the variant's
+ O' W. z! _1 E9 i/ [7 I! }' W0 M+ v// type flag to indicate the fact that this variant holds a BSTR. Place the5 v$ O. I) Y' P$ h P
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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* E3 J2 o' q$ ~' T; C% e* j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% v' f( J- M9 A& h$ K
VariantInit(&requestVariant[0]);
1 y& a% c H5 o$ C: D6 O requestVariant[0].vt = VT_BSTR;
' [. S, ~8 e! l3 G requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");3 k+ C! _3 X% C6 {
VariantInit(&requestVariant[1]); ; c' B K' k+ O- f% v( G: J- i8 ?- w
requestVariant[1].vt = VT_BSTR;6 k; W8 n/ Y/ C5 h+ O9 r& B
requestVariant[1].bstrVal = topicStr;
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+ o. W9 G. g& h// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;2 [9 C3 X/ d) p5 G* b' B
dp2.cArgs = 2;! p6 J( G( }) g( I' @6 t
dp2.rgdispidNamedArgs = NULL;
; |2 a; I) O+ b) `4 C$ R dp2.cNamedArgs = 0;7 M$ F+ A( W7 Z! m. c; r
3 t" B% ?7 m0 ~- n# @" C var.vt = VT_EMPTY;" g7 D8 Z( A3 n o
: S; T/ ?, F; }2 }6 ~// Call IDispatch::Invoke()
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! B+ ?: r4 _& b9 v hr = m_pDisp->Invoke(* K+ H2 P, t1 i3 r5 H! p% V0 o& a
requestID,
6 [; b) g& A" v* L: V e1 r IID_NULL,9 z, k5 d$ m. y( C2 {$ d# W
LOCALE_SYSTEM_DEFAULT,
/ r1 G( L8 b, ?# m! g DISPATCH_METHOD,' I! _, q" I( K" m1 u$ t" q, U
&dp2,- H0 ~ I# o0 O
&var,
& {; X0 y6 W9 U2 N w &ei,3 w' W! X9 a# r" w* a o- w! a* g0 h9 E
&uiErr);
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SysFreeString(topicStr);# I, t# g6 }% r
SysFreeString(itemStr);
( R! P0 I# G1 ]/ {4 ?* O, C8 t6 l请问该程序是获得extend里面的哪个值?
0 V* V0 L5 o4 Q" g' t. l0 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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