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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:
9 c+ d% }" Y) n1 x, k5 L: W, fName = (WCHAR *) L"Poke";- o0 i) u) y5 [' E
, k1 A/ d* p/ s1 H1 k0 ?/ p hr = m_pDisp->GetIDsOfNames ( M1 M0 x1 K; |! P1 h5 F! W
IID_NULL, // reserved7 P3 c: P6 m* B( }8 q9 V
&Name, // Array of names to get IDs for
: `9 k. h* y, a; ?& G 1, // # of names in the array7 ^+ Y+ ^1 F2 S* i
LOCALE_SYSTEM_DEFAULT, // System locale
* }5 r3 \% E/ U2 Q3 M# o6 H3 { &pokeID); // Array of IDs to fill on output$ \/ z2 ^- I) w d
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if (hr)
# b' V4 M8 O/ n+ s( W1 B# |- {* ] {" t- w! ]- \- n& S" C# z$ }
MessageBox ("Get Poke Unsuccessful");, b& d# q! |6 h" F# Q
return;
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/**************************传递数据给extend**************************************/
& c; h5 s: l( z3 a c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");8 S' M' j g6 R5 [2 q
VariantInit(&pokeVariant[0]);
. P) d. Q9 y, t pokeVariant[0].vt = VT_BSTR;0 |( S; q7 K( l+ {* s T2 W/ t
pokeVariant[0].bstrVal = valueStr;# u: R$ c: A" P- u2 r: ?* B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; d- l9 R7 Q9 Y5 J; v8 O1 z. {# ]
VariantInit(&pokeVariant[1]); + C; _$ |( C* _8 c! J: m
pokeVariant[1].vt = VT_BSTR;
* K5 T- k. W% K o2 |/ T9 w8 O: ` pokeVariant[1].bstrVal = itemStr;0 _8 |' w* E: r: ?) K
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topicStr = SysAllocString((WCHAR *) L"system");
0 A }3 r) H; q: f' m. C VariantInit(&pokeVariant[2]);
$ B* E. u2 l# M8 t pokeVariant[2].vt = VT_BSTR;
+ P. R4 P7 M2 c pokeVariant[2].bstrVal = topicStr;3 O9 z4 e0 `) P2 o" s9 P+ ~
0 v" @. X* Q/ q6 m# X// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
3 P+ y! v9 C+ o' ` dp.cArgs = 3;* Q! ~1 ~0 c. I" E+ Z- ~
dp.rgdispidNamedArgs = NULL;
- D; o$ X& C. {3 F dp.cNamedArgs = 0;. C- j* [: @, E" E, L% ]! z. \3 x
6 G$ q' T4 w% u. V& C9 d" h) s6 n// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(2 h$ `$ f+ s! A- h/ J' c8 C; u
pokeID,
! a! o3 a4 }5 |2 K IID_NULL,( T0 v. c8 w: S5 q& r" ~
LOCALE_SYSTEM_DEFAULT,
. t. P' R" Q, I# F' q7 A8 Z# ]8 V6 a DISPATCH_METHOD,4 Q' }( t; y1 v% M* U" h
&dp,! k" P+ U# G1 o1 t; Y5 P
NULL,
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&uiErr);1 ~8 A1 l# H; |4 N
+ R: E1 U* x+ J9 B0 z6 y2 f+ ~ SysFreeString(topicStr);
# F% w, ~8 q2 d2 }5 E. X SysFreeString(itemStr);, C) V; J7 t' |- e% B
SysFreeString(valueStr);
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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???0 {* I- k! p, O! _: \" _$ @# S" d
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: I, N- Z! k H, d
// Request a value from Extend
! L& c! s1 E* G* C6 ?% W# ]//- ?0 Z g' M* B- v; Z/ g
// Initialize the variant that will hold the BSTR. Set the variant's
9 a% U2 a0 D, i. G9 Q P// type flag to indicate the fact that this variant holds a BSTR. Place the
% J2 f1 U8 g. D4 G2 ?1 a9 x// BSTR into the variant structure.- Q4 f# X7 ?1 d( F, [+ Y. Z y) |
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" m" m* e$ V& M, V/ G
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 V/ w; k8 L; [, x
VariantInit(&requestVariant[0]); - N: N1 H1 w, M- s9 O; {
requestVariant[0].vt = VT_BSTR;1 m( O7 n5 s0 Y1 ^- U
requestVariant[0].bstrVal = itemStr;5 v9 Z! f4 m! n$ D
$ A7 h. O# i0 Q) t topicStr = SysAllocString((WCHAR *) L"system");* ~! o1 }" x& }
VariantInit(&requestVariant[1]); * u: H* D' m$ }1 a7 N6 H0 N) c
requestVariant[1].vt = VT_BSTR;
% j: I4 F% K0 j requestVariant[1].bstrVal = topicStr;( y; W. T S, M
5 q. Q% I" T' w. E+ N* q// Set the DISPPARAMS structure that holds the variant.8 }5 Q# l$ t% y, V7 e- c
. T' B# w: {" B' A dp2.rgvarg = requestVariant;2 R5 `% f' k: x9 @
dp2.cArgs = 2;
3 i- E' j. v+ g) R) p dp2.rgdispidNamedArgs = NULL;
0 h _9 H) ^0 Q4 g8 ?" O2 Z dp2.cNamedArgs = 0;
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$ o, F) C& g0 Z var.vt = VT_EMPTY;+ `4 i4 L" J% h# I; @
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// Call IDispatch::Invoke()
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: N! L8 [& V/ k% B* d hr = m_pDisp->Invoke(# e- p, e3 z. V6 U3 b y$ W+ Q
requestID,; ~$ I) r. ?& T b% d
IID_NULL,
; q b" ~! ~8 F# O LOCALE_SYSTEM_DEFAULT,
+ C% h; k. K" @- K+ C" S DISPATCH_METHOD,
) l2 W$ L+ U9 {: A1 I! P* T+ q &dp2,: ^9 j& z2 A6 t) b5 a6 Y/ ]; n; M% l
&var,
, i* p$ E, u. d. m) b( ? }) z$ H: j &ei, Y+ Z' ~2 H2 Y9 l8 M6 S
&uiErr);1 H5 p) m i! M3 w4 |) L9 _1 i
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SysFreeString(topicStr);
0 `3 s. t6 G C; ]. @ SysFreeString(itemStr);1 y0 b% r7 F4 Q E3 D1 T6 `
请问该程序是获得extend里面的哪个值?! p2 F+ R1 ^6 V, b( c% s+ t% U0 G# 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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