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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 p$ Y* m; r9 r$ v6 e
Name = (WCHAR *) L"Poke";" k5 T5 t# g+ G/ m% X
( l1 w5 `$ x% o8 c# e+ M" ~ hr = m_pDisp->GetIDsOfNames (
1 ?# S" Q D; I2 F" }; h& | IID_NULL, // reserved
; W( W, Q; u# _' ], @2 L &Name, // Array of names to get IDs for
5 F Q6 _$ {# I% M4 t& P5 i 1, // # of names in the array
7 G; ~% Z1 k/ g/ `. k$ \- V# Q LOCALE_SYSTEM_DEFAULT, // System locale7 v% ^/ Y# S, @7 y1 K
&pokeID); // Array of IDs to fill on output7 V% K( H# ]" f6 f* u$ |' |# z
+ M* J R5 @1 J# [* o
if (hr)
% y: g9 J3 P1 t' T {
' Z' ~8 d) j; z$ I/ u MessageBox ("Get Poke Unsuccessful");
; I& R8 }* g9 J6 o return;
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4 t# h+ q7 L" L) K/**************************传递数据给extend**************************************/
+ s! u' h J/ S$ f. L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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. f' s2 }9 I& ]- S& l0 o4 e) H valueStr = SysAllocString((WCHAR *) L"1232");
# U$ _. y' z: {0 }1 [8 C/ x$ E1 { VariantInit(&pokeVariant[0]); , \1 a& {5 z# h) H
pokeVariant[0].vt = VT_BSTR;0 z" b) \$ o0 l
pokeVariant[0].bstrVal = valueStr;. I! ^5 r- T& D
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 n' @' U- z" o! I
VariantInit(&pokeVariant[1]); , A5 j1 e& k1 R }4 K3 K* s6 L, {: }& I; b
pokeVariant[1].vt = VT_BSTR;1 ?' E6 {5 g4 h: D3 C: b
pokeVariant[1].bstrVal = itemStr;( I$ q$ i% r& D( `/ W( n
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topicStr = SysAllocString((WCHAR *) L"system");& m6 s: Y4 ^. m; _
VariantInit(&pokeVariant[2]); + g) b1 i6 `& v- k
pokeVariant[2].vt = VT_BSTR;
& W; S+ ?0 i% ]# A( S9 o2 f) E& h pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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. ?7 B# O( ~6 d dp.rgvarg = pokeVariant;- r$ ~+ v, w1 }3 k
dp.cArgs = 3;: k0 i7 Y( Q; V5 N7 _" i2 V2 a
dp.rgdispidNamedArgs = NULL;; J2 R, n$ h9 k: S
dp.cNamedArgs = 0;
1 @( J6 ^/ A. J2 m: l7 c2 {
$ t1 l! L" H0 z( Y& G( Z& W3 G// Call IDispatch::Invoke()6 C2 t" L" `7 B7 k; n
# B& E$ f. k( h, k" }$ {6 z2 T c% Y) |
hr = m_pDisp->Invoke(4 U2 v q9 i" ?5 `+ B
pokeID,
. e! m& G7 v; N4 V6 W% E5 O IID_NULL,1 c' R4 L; G# y3 ], w
LOCALE_SYSTEM_DEFAULT,
) M. ?% a9 o3 k1 f3 d# |) l DISPATCH_METHOD,( `4 `1 J# H# r4 d, Y. x" M
&dp,
) \: o- u" ~: H NULL,
5 o6 J( [4 X' O/ K+ [+ i &ei," T: y* X" h! ?, }7 V. J; Q- T- V
&uiErr);
$ e3 r" l9 o. R! T' L
: V, Z" M4 Y/ U; h' }3 j. U SysFreeString(topicStr);7 } D$ Q: P1 G
SysFreeString(itemStr);
8 Y4 I- Y( T+ A' w SysFreeString(valueStr);9 ^+ ?9 M$ e& H, m
9 [5 e) e* j3 Q) m$ S1 g# l
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???/ w& o b H9 c
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* {/ v" D2 Y! _/ h
// Request a value from Extend
# o6 h* [( @/ c, Y" L//1 J$ d4 P% n/ t/ h% t5 W
// Initialize the variant that will hold the BSTR. Set the variant's
* ~( d7 M1 {- M# a6 Y$ |// type flag to indicate the fact that this variant holds a BSTR. Place the# i& W! n( u: J/ h
// BSTR into the variant structure.
l+ |; B& r" ~. U; \" I2 s. ~5 G& F; w) z1 e6 ?" ]0 e8 w
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
) ?% _# n- }& d/ s3 |: R" n* Q
2 }+ D9 p, }; B6 ~ q! Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
t$ J$ d2 @' o/ b0 o7 `( J8 S* @ VariantInit(&requestVariant[0]); + R& E. V) h8 u0 y1 \
requestVariant[0].vt = VT_BSTR;: R; k. a- k: ^; [- s
requestVariant[0].bstrVal = itemStr;- z5 I! y( V' [, g* u+ Q
0 x5 D; P4 h2 ~! W" m& s topicStr = SysAllocString((WCHAR *) L"system");
9 j+ P, [* R) v# h l. w VariantInit(&requestVariant[1]); 1 c0 F& {; Z. z, x5 |; {4 K
requestVariant[1].vt = VT_BSTR;- C0 O; g3 V: X# l' b+ e/ m- D# B6 i
requestVariant[1].bstrVal = topicStr;9 S4 k9 h. ]( L* R) z( {' S* b, e+ m
N$ N6 v- v( |) ?% Q- V1 Z% l// Set the DISPPARAMS structure that holds the variant.
e: j, G! Z0 T
9 M, f; z' l: e, t dp2.rgvarg = requestVariant;
9 v& x; |% o2 j1 p dp2.cArgs = 2;
9 e6 M( G2 G: y7 ^+ g5 v dp2.rgdispidNamedArgs = NULL;! L: { j0 L/ Z8 Y' i
dp2.cNamedArgs = 0;
' f: q7 T: t7 A' s, ~8 {4 E
3 _* I8 Z2 x7 f; @9 I& \6 R* \ var.vt = VT_EMPTY;5 E* v% F! B: s e8 T. T! K+ `9 `
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(6 f+ c4 Z9 d2 }
requestID,
0 T4 @! v7 _8 ?5 a' `( w! ~ IID_NULL,) _1 X# `( u# p3 M o" B9 }; X
LOCALE_SYSTEM_DEFAULT,4 \1 M0 j* v2 K; O' W1 b- K
DISPATCH_METHOD,
g7 F( P* ]% p! P) f: g. K &dp2,. h- R s5 l9 b _# l2 J/ ^0 Q
&var,
) z) U4 o* b Q. K &ei,1 e0 _- v$ h+ y9 X3 k
&uiErr);
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SysFreeString(topicStr);7 ?9 a/ k8 n7 w' i' y/ r* Y# {
SysFreeString(itemStr);
* A5 D0 P; f' S! Y+ T" W) C- r请问该程序是获得extend里面的哪个值?
- ~9 q5 _ ^5 ^6 \; e" w, R9 T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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