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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:
$ G) A: s/ ?) I1 MName = (WCHAR *) L"Poke";/ v. h9 h5 \) j/ p6 }
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hr = m_pDisp->GetIDsOfNames (
2 @9 G4 J, r; C IID_NULL, // reserved
0 ^1 B% T2 i: u* W &Name, // Array of names to get IDs for
5 L# Q! V0 P _' ?! J 1, // # of names in the array) ]7 C2 M5 F" V
LOCALE_SYSTEM_DEFAULT, // System locale2 V7 G' v/ J9 [: t, N: v
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
% d0 Y& T; f5 O1 K& h f return;
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/**************************传递数据给extend**************************************/
! M* p5 I' K7 t1 @. k pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 W: `; s; e [
' f: [3 I4 }7 {8 r valueStr = SysAllocString((WCHAR *) L"1232");
" r/ u4 ^% b& |0 _1 D: s VariantInit(&pokeVariant[0]); ( {- L& Z' J3 n, x. V. k" |, T
pokeVariant[0].vt = VT_BSTR;
# S3 v; I. t, a" f% R- N& F pokeVariant[0].bstrVal = valueStr;
' u: m3 r4 B1 }( \
/ Q$ ^3 }# T; m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 m! q4 }+ `# b% i& Y ~ VariantInit(&pokeVariant[1]); : [. E6 ?& X; m# c
pokeVariant[1].vt = VT_BSTR;. {# a3 M- @, v4 M/ s6 E! l
pokeVariant[1].bstrVal = itemStr;
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, A8 P2 Z2 q8 C# W9 I! z8 H topicStr = SysAllocString((WCHAR *) L"system");
% A* c+ E9 k9 y6 m1 H0 I# v e) @ VariantInit(&pokeVariant[2]); 7 T7 V9 j: C- X' T3 x
pokeVariant[2].vt = VT_BSTR;" M$ `- l9 k: B- C# G& Q- `
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.: q% g* m) [9 O$ T8 B6 T6 ] `# h
5 W9 a- a7 V: o, g# Q dp.rgvarg = pokeVariant;) g) R" A: ?+ X+ m9 @/ L
dp.cArgs = 3;" `' M `% \; Y7 `' G+ g; h' T
dp.rgdispidNamedArgs = NULL;2 z( p0 S4 c0 e8 Q% s- e8 z- f, m8 P
dp.cNamedArgs = 0;
q% \! p# y2 } I# P; D
1 C5 X- e5 n6 A" T1 l$ H// Call IDispatch::Invoke()
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+ P' I/ d+ n" t7 A3 B hr = m_pDisp->Invoke(. Q' |* F8 w" C9 g H
pokeID,8 C' \+ k5 O# t$ a( G, ?5 M
IID_NULL,0 c5 S0 |$ v* Z& K2 [$ ~* V3 O8 {: q
LOCALE_SYSTEM_DEFAULT,
9 E: F* v7 C% B- K5 A DISPATCH_METHOD,8 q+ q' c' e4 X2 V& G" z* n
&dp,. U5 o+ y6 m/ Z/ Y9 ?' O. V
NULL,( v5 Z5 i- I6 Z. ?- g( Q) |
&ei,
% p3 Q* u% A" M% S$ Y &uiErr);2 Y8 M% v- u" g
# X5 w" d: W+ M SysFreeString(topicStr);
5 X4 l" f# a; r0 S/ o% H; S% y SysFreeString(itemStr);
g; x. e+ J; a6 W7 M( \$ B. @# _ SysFreeString(valueStr);* B. E! I& o' w# ?
5 G- J5 {2 g9 N6 [; 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???. @+ l) i/ P3 L
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 x# l+ q, Z0 L5 a3 g& e' e
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2.这是request的程序( Y- ^6 W. Z5 d \$ T; N: b0 M' x
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
7 \5 @) f. h- a; s0 r6 l# Y' ?- d0 z// type flag to indicate the fact that this variant holds a BSTR. Place the
+ e% L# i+ D; ~% h// BSTR into the variant structure.5 Z2 j/ V% P1 Y% m; n; C
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ R" W5 n3 s0 S' W/ c2 v1 C9 V# T6 q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# S4 c& `' g5 U4 Z# q6 v4 n& Q: w
VariantInit(&requestVariant[0]);
C: P ?" I! q( _9 ? requestVariant[0].vt = VT_BSTR;) I, n( t: H5 e! t% x' B' k4 w
requestVariant[0].bstrVal = itemStr;* |+ H1 C0 G5 q( f% D5 ?0 W
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topicStr = SysAllocString((WCHAR *) L"system");& s. \! b+ B8 T$ V1 a# k
VariantInit(&requestVariant[1]);
1 n9 _. d' S1 d: p* M$ ] requestVariant[1].vt = VT_BSTR;7 h. t0 h* `% f7 Q0 \: s
requestVariant[1].bstrVal = topicStr;. b {* J, I# ?" ^7 @6 o+ n
& N/ j- R. M7 U// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
& L! C) a( ^! w9 L' u% S dp2.cArgs = 2;% M+ s+ m% b" P5 x2 A+ j/ c$ O5 s
dp2.rgdispidNamedArgs = NULL;
1 N: u; o3 d* f+ b4 Y; S dp2.cNamedArgs = 0;/ g. a- Z0 O3 M1 [
! ~& f$ o: Y" G7 O/ z% D' o var.vt = VT_EMPTY;. [; a \/ w8 a- r# k! q. c, ~+ E
# }, r, w1 c" ]
// Call IDispatch::Invoke()4 L4 @& B* K1 u8 o) i" z6 N
" G/ D) p7 l5 {8 D! B" \5 t hr = m_pDisp->Invoke(
4 G M! }% `2 J& { requestID,3 \0 H' }5 [$ J7 u
IID_NULL, y5 G4 E8 q4 a9 T" k$ H
LOCALE_SYSTEM_DEFAULT,
! @+ [6 J: \: G: H2 ^7 w, H# H( x5 }9 i DISPATCH_METHOD,' ~0 j- m& C& A+ F
&dp2,& @; e$ |5 S$ u- N0 Z1 c/ e+ l% G
&var,
1 N, `% {; D8 y; f+ m2 A &ei,
" I) a# Z, {& \; ^ &uiErr);
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1 W/ V, w0 w- | SysFreeString(topicStr);
6 w5 H9 U& j7 x8 s6 @, a SysFreeString(itemStr);: T- w3 J J. E; c8 C" @# p2 }
请问该程序是获得extend里面的哪个值?
& O8 Y8 ^& L/ a$ M; l/ Y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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