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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:
& Y) J- C: T+ _" @7 {Name = (WCHAR *) L"Poke";
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8 r! F+ n. A& D& O, g hr = m_pDisp->GetIDsOfNames (
1 w R- A% W/ \+ U+ n9 Q IID_NULL, // reserved
+ C% f( I, |5 U/ w A6 s9 A &Name, // Array of names to get IDs for
@3 v- \# e% Q2 v9 p( d }0 D 1, // # of names in the array! }6 H1 C7 ^: z! I, y) h; _
LOCALE_SYSTEM_DEFAULT, // System locale/ X( n6 `- m2 Y4 K2 [
&pokeID); // Array of IDs to fill on output# k$ Z0 e+ x4 ~: D
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if (hr)
. ~& K: Y }- K) u( Y {
( O9 ~$ w( [6 I# k MessageBox ("Get Poke Unsuccessful");1 n" h& V+ m" a3 w1 Y
return;
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/**************************传递数据给extend**************************************/
( b1 k% B, e5 d% z x) X& Y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 }$ C% K6 A/ ]6 l L0 u
2 w! O4 E1 N1 f$ s) b2 Z$ G valueStr = SysAllocString((WCHAR *) L"1232");
: b9 l! R- J9 e# c, n VariantInit(&pokeVariant[0]); 8 e6 T+ U2 i6 ^- _3 t
pokeVariant[0].vt = VT_BSTR;. Q/ W% c/ H1 `( M3 }# y
pokeVariant[0].bstrVal = valueStr;9 F( a ^8 _ ~
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 M) f1 r- Y R VariantInit(&pokeVariant[1]); ! q8 D# W& Y |; D6 W; {
pokeVariant[1].vt = VT_BSTR;
) I4 X v5 j0 C' x pokeVariant[1].bstrVal = itemStr;# ]" S- h( b c* }' c5 i( l: C C/ T9 k
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topicStr = SysAllocString((WCHAR *) L"system");$ `; s# A5 b: Y" }
VariantInit(&pokeVariant[2]); 1 e( Z1 P: |4 t( J( ]' ~; T/ L
pokeVariant[2].vt = VT_BSTR;: G2 d$ w( n% b
pokeVariant[2].bstrVal = topicStr;% ]9 x( c2 z, @/ g3 X4 A) J
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// Set the DISPPARAMS structure that holds the variant./ u6 z* I: x' X) N% }+ ~
) _0 j4 X7 P# o1 e. u dp.rgvarg = pokeVariant;
2 |+ Y, O( K8 @3 g' a8 h dp.cArgs = 3;4 l: J: a- ]: R, x) ? o4 y
dp.rgdispidNamedArgs = NULL;
% y6 A2 q. j( [' L" w$ t: ?! @ dp.cNamedArgs = 0;
1 I6 j r; y0 A2 f- n% v$ Z; L
5 j! x& m0 w+ O// Call IDispatch::Invoke()" Z9 p- p+ }& L9 m
9 U# l7 F) @2 S! z# J hr = m_pDisp->Invoke(; D6 P# s* ]6 u9 K
pokeID,
: `# }& J; A* j& F7 q' G$ R& s( Y IID_NULL,
3 V! h, a+ X: Z! D LOCALE_SYSTEM_DEFAULT,
- |2 ~% E) U# G q% ]6 t9 t+ k$ R! d DISPATCH_METHOD," J9 `- I1 W3 h
&dp,% Z: G3 G! q- c4 b
NULL,
) |- r# Z7 P- h' n &ei,
1 n* W0 |+ o0 [2 { &uiErr);6 ?2 c1 F! d# M' D; g, h
" P3 V+ U: R2 p4 b8 O SysFreeString(topicStr);/ v3 p/ k; B# S8 t# [
SysFreeString(itemStr);/ T0 \, e( z, c/ W" R+ k
SysFreeString(valueStr);2 Z) B: p! o. R4 { \; K) W
2 K- D7 A6 y2 \/ M- o# n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???
- Y$ T# g/ D0 Z( `/ j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7 y: q( d1 d' o' q% m$ I
// Request a value from Extend+ f9 K& g4 Z" `: n
//
7 t/ n# q- b& `// Initialize the variant that will hold the BSTR. Set the variant's
; k3 f* j: T/ W- U( Q// type flag to indicate the fact that this variant holds a BSTR. Place the1 O7 ^& Y9 \$ Y; a
// BSTR into the variant structure.
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( z$ o) Z6 l! r! h+ ^% Q. |# ^ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% ]$ E% }/ ?1 U6 J: L
# r: ?% k, Q) E% M# z+ X ^
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# c* S0 N0 G8 j3 ? U
VariantInit(&requestVariant[0]);
5 `9 [: M) } z/ h& O$ M, M requestVariant[0].vt = VT_BSTR;- S) b, P* S' f% v/ n
requestVariant[0].bstrVal = itemStr;
G) m: L8 [- ? ]: w
# i! ?# @) F6 `9 e9 {9 } topicStr = SysAllocString((WCHAR *) L"system");
6 G2 |: w$ f) {$ ]5 F- P/ i. H VariantInit(&requestVariant[1]);
8 Z3 V" l( U$ c+ T: B+ | requestVariant[1].vt = VT_BSTR;
" W# d; m1 |- ?( M0 w requestVariant[1].bstrVal = topicStr;+ `4 [# {: y+ G$ x6 K
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// Set the DISPPARAMS structure that holds the variant.5 w5 _* p+ Y& N2 p4 ~
5 g+ Y0 |+ C: q& X; T" A/ U/ o dp2.rgvarg = requestVariant;
\3 D* T6 i1 I1 o8 L3 v dp2.cArgs = 2;
5 @0 u/ V, v7 T: K" R dp2.rgdispidNamedArgs = NULL;
5 C2 i, }4 `1 G6 g2 ^# X+ I dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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3 e$ F- N' r4 s5 L7 Q3 e- f: Q hr = m_pDisp->Invoke(
6 m2 Z! V3 y( h' u8 N9 s requestID,+ Y9 u5 W" X( z- h5 R
IID_NULL,
/ n, s% a! E# s b- V. _ LOCALE_SYSTEM_DEFAULT,) g0 A4 s/ T. a2 R
DISPATCH_METHOD,
) |1 b$ d# v: N* L& \' U4 q) F ` &dp2,/ g/ R: g ~& J' y7 g, l
&var,
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&uiErr);
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SysFreeString(topicStr);
$ H2 C% m, I+ J! f8 l SysFreeString(itemStr);
" h# x' y6 M/ B2 L' t; L" Z请问该程序是获得extend里面的哪个值?
1 ?( R/ A& D" 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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