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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:
( t9 x' ?3 n- D; N) G1 u6 KName = (WCHAR *) L"Poke";6 W$ `! q; `1 {, w7 C
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hr = m_pDisp->GetIDsOfNames (
7 n a# T) }5 [6 ~" p3 z! L IID_NULL, // reserved
$ d8 H6 I6 j* a$ u* x &Name, // Array of names to get IDs for0 t! @, e, d( [0 q
1, // # of names in the array
0 L2 d4 {& m, C5 ?* L# g8 z LOCALE_SYSTEM_DEFAULT, // System locale- U2 S& e, g7 h4 G
&pokeID); // Array of IDs to fill on output
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if (hr)! `8 V! Z2 r# [
{
; Y. B, E( p+ Y/ X9 Z8 F, \ A& K MessageBox ("Get Poke Unsuccessful");7 |4 G" m" u6 O3 }* Z: g7 F6 T
return;( B& v. @% p7 H
}" y2 V1 p ] J( C. `
- L/ V6 }7 B2 }& C, r: r# ^' D! h7 t/**************************传递数据给extend**************************************/5 y# R1 K) v, c, A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( T1 \; H, a- c& j2 D valueStr = SysAllocString((WCHAR *) L"1232");: ^$ ^1 i$ K: s, O$ r( h" p* Q
VariantInit(&pokeVariant[0]);
1 \1 X1 R/ m# K0 d, ] pokeVariant[0].vt = VT_BSTR;
: T) |# U: `/ Y; i7 [% k% l pokeVariant[0].bstrVal = valueStr;
* ~$ z; z9 A- x& ~' k3 z; u1 o! L( o- A7 [# E+ K, ]# d( M
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" l3 Q1 p5 |5 X- X5 t7 J3 o VariantInit(&pokeVariant[1]);
; T G3 }! w0 @ S pokeVariant[1].vt = VT_BSTR;
; ?6 n2 B+ F) E/ M pokeVariant[1].bstrVal = itemStr;, |" h2 M) C7 f& `/ |% S
: P- J& p2 `6 c- T) s$ M topicStr = SysAllocString((WCHAR *) L"system");
: X% p5 ?; t" p% e, o VariantInit(&pokeVariant[2]);
2 s( O. c4 O. \6 ]! u5 m; X+ p6 P pokeVariant[2].vt = VT_BSTR;
5 o1 [8 q; J/ r0 ^; j& g, r pokeVariant[2].bstrVal = topicStr;# R V6 g$ r2 Q
( @ g: Z- [& I) x9 l3 o" M( i1 n5 ]4 z+ q// Set the DISPPARAMS structure that holds the variant.; Z; B, q) D3 `4 [$ _3 U# D0 \$ H) X
9 a' v8 [9 w3 _
dp.rgvarg = pokeVariant;
$ O4 f+ s/ l# I* M4 c. S dp.cArgs = 3;1 k$ W5 M+ a/ ]
dp.rgdispidNamedArgs = NULL;
M* m! V) X3 O3 P2 n dp.cNamedArgs = 0;7 Y/ ~) o& V' K6 H6 u
- m# i/ ^. z0 p$ G! G// Call IDispatch::Invoke()
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; D: I$ S2 g$ k: y$ @ ]1 N hr = m_pDisp->Invoke(1 a4 w! }' ^; {, f5 @7 h
pokeID,
" A# x$ A, c# Y9 P5 `. q: {3 J IID_NULL,; U [ f. K+ B7 O: W' F u
LOCALE_SYSTEM_DEFAULT,' w+ [- }5 q. x# p- R0 }
DISPATCH_METHOD,0 m' v) p0 ]. A( Y6 D8 Z/ w0 }+ ~
&dp,( T3 V2 Q |, J$ f7 ~) L, b
NULL,# J: ?' c$ \; q* W2 D* F
&ei,0 k- V6 M' B1 l3 z5 u
&uiErr);. P/ A, d* K: h# V0 n
8 g" ]! x# W9 N, s: B
SysFreeString(topicStr);3 t+ g u7 I; g9 p; p0 Z, u
SysFreeString(itemStr);5 k7 j9 p3 L/ T' C0 _7 A
SysFreeString(valueStr);; X# x. W( C3 a2 \# g9 |
1 g& p# E0 m0 q) U6 e% r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???$ K: k5 V* D |) |2 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????
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% t) o. q' h- o- p$ \% P4 E5 v2.这是request的程序7 a [8 t; O G/ }; w9 w: V: U' v
// Request a value from Extend
; G# |& R2 q9 K$ H" z//( G0 A* W2 b: f) w$ I1 O( s
// Initialize the variant that will hold the BSTR. Set the variant's* O1 z9 |7 x! P" d; e3 L I
// type flag to indicate the fact that this variant holds a BSTR. Place the3 y9 N {: u) ]. b
// BSTR into the variant structure.
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* {# N8 D3 I) ` @) ]$ b, f requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 W) V* A" T6 J& H, _
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 V$ I" a* L+ I. \ VariantInit(&requestVariant[0]);
; R5 D& _; ^7 M8 c2 S1 J Z$ j! E0 I requestVariant[0].vt = VT_BSTR;
0 S$ V. p$ x6 u' _) w& \ requestVariant[0].bstrVal = itemStr;* F; H: c; x! G; d; `( e$ o. C
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topicStr = SysAllocString((WCHAR *) L"system");
: ^. w R( U4 i7 D5 ]% |3 s VariantInit(&requestVariant[1]);
" C5 y: C* ?% z/ R1 M+ V requestVariant[1].vt = VT_BSTR;
/ Y3 e6 U+ W% P requestVariant[1].bstrVal = topicStr;$ Y8 | H( P1 R! J' h8 a: H! N7 M
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;, \+ ^0 h7 F/ E" c: f
dp2.cArgs = 2;
. c; V0 q; ?- E' J dp2.rgdispidNamedArgs = NULL;9 i/ @: ?; f! o
dp2.cNamedArgs = 0;
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, h* m) ^% Q4 z. {8 o" n var.vt = VT_EMPTY;! n" \, [/ e( T4 G
& b& E* g9 A% ]5 B0 K; c/ P// Call IDispatch::Invoke()6 R) O# _3 x7 H' q! b
- Z7 e% ]( [- M$ d+ r6 K% T5 w hr = m_pDisp->Invoke(( G$ K5 j) w" s' ?8 P3 B2 b; D
requestID, k1 K: p1 k" N: r& g, J
IID_NULL," M! ]8 z+ s2 E% q, D5 }
LOCALE_SYSTEM_DEFAULT,* Z( |1 ^' v. u, ~ Q
DISPATCH_METHOD,
+ }: A4 d) u q+ k& R/ i &dp2,
- Q$ P, i, y! a: h) c8 U &var,
; N4 f6 o) o. b1 G3 n" U &ei," C5 V- Z! ]0 J3 f% l$ o" }" d
&uiErr);) Z) C5 {* |: j- s4 l! v
# B3 d9 N! N% `6 \ SysFreeString(topicStr);# l& r' w$ Y6 N' D2 [4 v/ g* V
SysFreeString(itemStr);
8 ~6 B; F2 D" k- p请问该程序是获得extend里面的哪个值?
I/ W+ W7 |7 U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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