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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:
3 X, F/ c% G* U' A2 M* ZName = (WCHAR *) L"Poke";' z: f: ]0 Z) u' _. R! U& C/ j
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hr = m_pDisp->GetIDsOfNames (
# D+ f, {1 _8 Q+ T IID_NULL, // reserved
% B; D9 l4 U8 j! P- Q$ Z &Name, // Array of names to get IDs for
% N8 K* @ O" l4 ` 1, // # of names in the array! A, U s _2 U1 b* C: E
LOCALE_SYSTEM_DEFAULT, // System locale
/ S2 s( G4 A; u &pokeID); // Array of IDs to fill on output
; Y$ j: }: ]& l% V5 M & R" d5 q# L8 f. Q
if (hr) M8 s' E$ A$ w0 ^5 Q
{- u1 h1 {' R$ N3 V; p6 ^( {) {
MessageBox ("Get Poke Unsuccessful");
! e$ @ n3 p! [9 {8 R, y; \ return;- Q( C* h; X- O7 {9 N- S$ ?# |1 n
}/ Z+ x, d5 ~( Y+ A# f
8 G4 Y+ i4 g! N9 q/**************************传递数据给extend**************************************/0 o- [, H" \+ l1 {
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% U. Y4 z- K O1 ^/ f
3 }; C5 a- U9 F) [
valueStr = SysAllocString((WCHAR *) L"1232");
% P9 Z0 O" ~: l$ B ]# l VariantInit(&pokeVariant[0]); $ t6 Y1 p5 n& T/ d
pokeVariant[0].vt = VT_BSTR;2 Q! @! D, ]5 y; h* x2 ?. A* ~9 }
pokeVariant[0].bstrVal = valueStr;% y$ P+ `: }- x5 n$ j. I
1 `' `( y, U8 k% h
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! r, x" b0 l" O) v- K
VariantInit(&pokeVariant[1]); 1 c1 O$ U0 j& r: L/ g0 J! [" ^8 T
pokeVariant[1].vt = VT_BSTR;
, g; x% K8 \: z; \- r6 T; [ pokeVariant[1].bstrVal = itemStr;8 L8 x4 ?9 O5 y) k
* S& p0 T( s! d8 B' o topicStr = SysAllocString((WCHAR *) L"system");6 C2 M4 Y3 q5 H0 r
VariantInit(&pokeVariant[2]);
% c' s& j. w7 p2 E% E/ V& _) e# V pokeVariant[2].vt = VT_BSTR;6 m0 w3 l& j) r8 B4 A/ t
pokeVariant[2].bstrVal = topicStr;$ s0 d* ^* h ^( W H
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// Set the DISPPARAMS structure that holds the variant.
t6 w0 S# I8 P' v: Z, o& T
& I5 ^- X' Z, |6 ]. p dp.rgvarg = pokeVariant;
& e/ P" _6 M3 F5 m$ D4 ?8 I dp.cArgs = 3;* ^; }5 c2 u: y- f% Q0 S
dp.rgdispidNamedArgs = NULL;% [2 ?5 c* c' w/ y2 q8 z
dp.cNamedArgs = 0;
8 j+ L- |# j6 z3 w/ O1 W- @
( A5 i7 l0 [# X$ }2 ^4 U$ y// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(" X) x6 M1 S' U1 ~
pokeID,' o0 b! a; Z& [# F* V
IID_NULL,/ W9 x/ B! G/ \1 X
LOCALE_SYSTEM_DEFAULT,1 `+ ?1 D9 [% @, p5 `( e5 X+ }. r) k
DISPATCH_METHOD,
" v3 m) B6 c8 U/ R &dp,7 @5 \' v+ o9 }& [2 q$ K
NULL,
+ R0 a: z' I8 w6 a &ei,7 k6 v/ H5 k5 C$ p) E
&uiErr);
6 a7 M2 \0 ~, c; S# ~8 d+ O3 Y. s( R
SysFreeString(topicStr);
* I% q! R7 J. o) U SysFreeString(itemStr);
$ A7 |6 a u4 @5 R SysFreeString(valueStr);! G' R- q- H2 e. \& ^
* e. ?, t( R0 ?& k" W3 `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???
) M) j: u% a* I: 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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4 [5 O r4 j) g, B2.这是request的程序
8 }" ?) s) Y( z/ [// Request a value from Extend
2 o2 n4 n2 V% y. a2 |( i; u* p: P5 E//
( n5 {$ l+ J( S, w5 ]0 M4 |# K$ V5 g; d// Initialize the variant that will hold the BSTR. Set the variant's
Q0 @" `$ }2 y// type flag to indicate the fact that this variant holds a BSTR. Place the* s5 y6 p! x, A" ]
// BSTR into the variant structure.9 M8 y) G, \7 Q9 s/ t
% ^% Q; O1 A2 j* Q) F6 M7 {5 _- ?
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
, n! F+ n. n/ Q$ C9 V7 ^. c" ]$ u$ H : T, B8 E2 h" u: w9 H H
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& F8 G- x# ?! G; r1 ]
VariantInit(&requestVariant[0]); , t6 F; [ G6 t8 K* L
requestVariant[0].vt = VT_BSTR;
! N w5 `4 C Q6 t& w requestVariant[0].bstrVal = itemStr;
! G) s/ }5 a. u2 j4 ]0 a+ c6 f7 a) R! x: |# _
topicStr = SysAllocString((WCHAR *) L"system");
: R" S _+ P! u0 e2 N+ K: _* \ VariantInit(&requestVariant[1]); & u& @' b6 A7 v% Q- o
requestVariant[1].vt = VT_BSTR; U/ A6 G5 y% j8 ?* `. h, Y5 m
requestVariant[1].bstrVal = topicStr;
' e z+ ~( d/ Y0 b! ^5 j3 J9 j
& G; g, B" d4 M// Set the DISPPARAMS structure that holds the variant.: C0 H) n/ I& M( p) G" e
+ G! J! r: `# k& C1 J dp2.rgvarg = requestVariant;3 s/ a9 |* K5 t9 U
dp2.cArgs = 2;
8 l+ U( [" Y8 |4 R1 d( b% L dp2.rgdispidNamedArgs = NULL;
]9 R6 L) x. B( d6 ~3 t) a dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;, A, y( C" A3 l! W/ M$ w0 S
+ B* y4 L7 ?5 [* X! X: r2 @// Call IDispatch::Invoke()" u& l; ^( B; U$ I
% B4 P0 q" W* h' v
hr = m_pDisp->Invoke(
3 F7 l' z Q) m* x# H/ J) P requestID,
' S3 O6 B& @$ v0 U7 H+ N' _ IID_NULL,
/ @' l9 y; C! }4 V8 w LOCALE_SYSTEM_DEFAULT,
& K% y' J, e) d DISPATCH_METHOD,
1 T; K& N% B% o9 _3 F6 m &dp2,2 S0 _- L9 k) v3 h! L' n/ s
&var,0 v* U1 j- _( v6 \$ S# O
&ei,% z5 f! s! P H) o! C
&uiErr);
0 h: ]2 w q% w: X* ~) v* A1 b" i. b+ H8 i2 d! `2 ] h1 L4 l: ^1 ?
SysFreeString(topicStr);
9 j% n! Y4 t, F3 r; Q6 O SysFreeString(itemStr);
8 ?6 C. T4 {) \. y4 y请问该程序是获得extend里面的哪个值?
( R- n$ n9 U" K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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