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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:
0 ? t. o/ s* x! yName = (WCHAR *) L"Poke";' ?% s$ d0 [9 \$ |
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hr = m_pDisp->GetIDsOfNames (
& K7 \! `6 b3 i& }6 q) A IID_NULL, // reserved0 k6 D% \# z$ E: V- P% t
&Name, // Array of names to get IDs for3 y% Z" h9 I2 f. ?
1, // # of names in the array
, ~7 r- _$ b5 Z* ]9 ?8 U( n LOCALE_SYSTEM_DEFAULT, // System locale
9 R( v& Z5 f3 U7 W) h &pokeID); // Array of IDs to fill on output3 Z# F' W6 Z/ |, h. a2 a
+ N6 a" D7 t5 ]! `$ v if (hr)5 c' h* p1 e! |+ w4 m. s
{8 N0 l j) i& T- C- |) X0 S8 k
MessageBox ("Get Poke Unsuccessful");
- k: ~, b" _* E/ h% g5 n+ M return;5 r$ R- e" _2 g8 A, O7 e
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/**************************传递数据给extend**************************************/
! ]" ^3 R+ S- c, t3 p5 r3 y0 H8 u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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; i3 T6 i" K! { valueStr = SysAllocString((WCHAR *) L"1232");( a* m' o7 n; z$ }" B
VariantInit(&pokeVariant[0]); m# W% V7 M9 W2 C6 p) S
pokeVariant[0].vt = VT_BSTR;
+ s: H! Y& r1 M$ h3 `4 `% ? pokeVariant[0].bstrVal = valueStr;
2 S% n$ s# p0 I" _8 `
U; w& ?( ~0 e! b; y* t N6 Q: e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, n8 w. Y3 t& m3 ]. X* D7 O% s
VariantInit(&pokeVariant[1]);
6 T- }7 Q: ~# Z" T" E pokeVariant[1].vt = VT_BSTR;1 p* Z2 @# F7 N% o! U% k- f0 b
pokeVariant[1].bstrVal = itemStr;
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5 }# _, S& d! z; z5 `7 |" J topicStr = SysAllocString((WCHAR *) L"system");
/ q) q* H. ~6 {- G N! s' l) G% |& t8 B VariantInit(&pokeVariant[2]);
1 M$ P6 W- {, z3 q8 j, j* Q pokeVariant[2].vt = VT_BSTR;
4 _# `) r( y7 x8 u: L% s pokeVariant[2].bstrVal = topicStr;% l7 }/ x6 W: m) n1 w# |' N
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// Set the DISPPARAMS structure that holds the variant.& `: H8 b5 z7 a6 `' \ g
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dp.rgvarg = pokeVariant;* B4 @! d, U/ K' G- F4 ^0 P
dp.cArgs = 3;
, J, \8 n8 I; W1 s6 q @( {4 G0 X dp.rgdispidNamedArgs = NULL;# R+ F0 ]9 B# T a* u
dp.cNamedArgs = 0;8 j; A# H7 H: r. ^5 Z: |7 i
( r7 o9 Z7 r7 {* s9 o// Call IDispatch::Invoke(). T) T# m. d2 O, d0 T2 _; a
/ L0 U! Z( R: i7 S7 z hr = m_pDisp->Invoke(
]" a$ z& p$ {/ k! O/ p pokeID,
/ f2 W8 o6 [$ L( n% R IID_NULL,! z0 O' z; E9 s2 a% [, W a5 n
LOCALE_SYSTEM_DEFAULT,
8 ?: S% K: O6 J/ ^/ w' _9 W DISPATCH_METHOD,
1 t. f" d8 s J4 q &dp,
3 [% R5 V9 E7 @+ _- m: ~ NULL,
' Y2 F ?' Q1 c% d3 n: m &ei,( F0 |6 @1 E/ `" a: A8 l
&uiErr);5 i9 ?4 \% L. l1 x H
# `9 x( t \( }2 [% K
SysFreeString(topicStr);; o5 y: J; F0 U$ c7 b
SysFreeString(itemStr);, f% j* y; s+ m; ]/ d( \# F
SysFreeString(valueStr);: P7 \' @! P8 s& h2 H6 L$ O% V& p l
. h. d* W7 U; z' W( Z9 H+ 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???
1 t( e) |9 T& R- x# F O9 k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????2 j7 F" U- c0 F4 z
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2.这是request的程序
+ x, g4 \; H# }4 _2 f// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
) a# F" E5 `: ^; _+ }' k// type flag to indicate the fact that this variant holds a BSTR. Place the
$ L# x, P1 D* Z. T// BSTR into the variant structure.% w+ F7 l) k) R! _* D; e- g/ ?
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ t, N3 C$ P0 K1 X0 r! _
VariantInit(&requestVariant[0]);
/ ~/ W) a% [' O2 G4 X; u requestVariant[0].vt = VT_BSTR;- h. F3 m9 B, e. X" a3 I
requestVariant[0].bstrVal = itemStr;
" i% e0 X, a" U8 {( A) n5 L6 x( f/ z9 B+ G! v5 [2 V
topicStr = SysAllocString((WCHAR *) L"system");# Q0 i; {& p$ I# b5 e1 b U
VariantInit(&requestVariant[1]);
6 I' b% G6 H% j4 Z4 ~- R9 N requestVariant[1].vt = VT_BSTR;
( P+ f' J& l7 s H( u requestVariant[1].bstrVal = topicStr;2 P9 W" S( H y
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// Set the DISPPARAMS structure that holds the variant. G2 U: l$ e2 ^# K/ y
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dp2.rgvarg = requestVariant;
5 E$ H# ^1 ~/ m d dp2.cArgs = 2;; I) R" s! L: q+ Z( R
dp2.rgdispidNamedArgs = NULL;; } a7 ?3 _3 I" @5 u- x) d5 k
dp2.cNamedArgs = 0;( `; Z9 m' d- k- ]; f
; \& X& k9 a$ C# b var.vt = VT_EMPTY;" Q' u5 z, l* ^3 _
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// Call IDispatch::Invoke()4 q' X3 m4 g. s, R# ~* N" ]
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hr = m_pDisp->Invoke(
; h4 P* j. q: P0 J' ~* ~" |1 M requestID,$ v/ j4 F# j& |, D/ ~4 ^' h, S1 K
IID_NULL,
1 B+ p. r: l: ]0 \4 J LOCALE_SYSTEM_DEFAULT,4 }* H+ A5 Q: u+ s; E1 y! Y' k
DISPATCH_METHOD,# }( Q# T2 R; v( c% r
&dp2,' {6 }' ?, a5 `& V# |4 D" ^
&var,0 @: |2 T1 y* S6 d$ _" [! T8 L: x
&ei,
( n+ z+ v0 j2 b2 R &uiErr);
: Q3 i& l* B, v W" o% R! Y
2 _# g8 K5 T3 k2 L4 ` SysFreeString(topicStr);# L1 c ^3 R5 }! `
SysFreeString(itemStr);
+ J* f& c. q' J/ f5 q请问该程序是获得extend里面的哪个值?
l$ K5 a3 p! U5 B! G7 J7 \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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