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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:' D; n; L5 C- `+ i
Name = (WCHAR *) L"Poke";& n0 ~+ U" v5 Z' v9 q |: L
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hr = m_pDisp->GetIDsOfNames (
& A& r( O, i% Y- j IID_NULL, // reserved j& h) D' w# R+ Y/ y# m1 k# Z5 @
&Name, // Array of names to get IDs for) O$ C- N7 r' g' f: ~
1, // # of names in the array- g% J( m5 S* ]+ R8 [$ h
LOCALE_SYSTEM_DEFAULT, // System locale
' i( u2 Z5 B2 ~# d &pokeID); // Array of IDs to fill on output
$ s$ p) O8 x3 ~; r0 m; W) u
+ Z* _! }7 o q/ Z& y! } if (hr)
$ w* b1 r# M* n {
7 C8 w: u3 n5 E. t$ i7 P% P4 a8 v MessageBox ("Get Poke Unsuccessful");
* L" m" C x2 e* M7 t F return;1 d9 D/ L6 Z# ^) n1 t
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/**************************传递数据给extend**************************************/5 f% S. y8 a+ Y$ Y& A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ O0 }( @1 M& {# H( R
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valueStr = SysAllocString((WCHAR *) L"1232");% J! w m; H. ?8 Y4 \( N1 i$ b
VariantInit(&pokeVariant[0]); 6 U9 _# l8 o" v0 p9 @: `
pokeVariant[0].vt = VT_BSTR;
9 I) {- y" r5 \9 P3 l pokeVariant[0].bstrVal = valueStr;8 v. W. Q5 a" L7 p
' C4 f8 {& w6 p& M5 l5 _) x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ m6 b. }0 L7 \; H9 g
VariantInit(&pokeVariant[1]);
. @0 d' V- |! @6 `7 z4 b pokeVariant[1].vt = VT_BSTR;* M- e4 U l' w$ b! N7 s
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");9 p+ S, L5 ]- T2 Q0 O z
VariantInit(&pokeVariant[2]);
* g: `/ Z; L! q pokeVariant[2].vt = VT_BSTR;9 o( w" g( b) U3 k6 C0 T. D/ _
pokeVariant[2].bstrVal = topicStr;; a0 ^+ u" r0 I% C
! E1 W0 Q; |/ r/ y3 H+ s# R# E// Set the DISPPARAMS structure that holds the variant.
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( ]& |4 j; I* W/ F dp.rgvarg = pokeVariant;
6 x$ V9 E D) q7 B1 e, _ dp.cArgs = 3;( [* r7 A8 ?% d. Y3 t( v
dp.rgdispidNamedArgs = NULL;
" v0 i* }3 L( c2 z4 J" B, p dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()0 c; o Q. \% s& z' o+ e) N! r9 }
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hr = m_pDisp->Invoke(
2 E- T- C6 @' i# c pokeID,
" `* J; g5 b6 `9 T IID_NULL,
9 ~: ^9 O* I( l- l. @3 |6 b5 ? LOCALE_SYSTEM_DEFAULT,
+ X9 ?) q. P, i- h2 | DISPATCH_METHOD,
+ s+ d. l$ C# @( { &dp,& q6 X: b- a( f$ Z
NULL,
' f$ b, ~2 |/ }4 p) q &ei,/ ^: E0 a- H9 N# E3 E) Y9 n% A
&uiErr);
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SysFreeString(topicStr);3 e7 v& s1 G% b+ E
SysFreeString(itemStr);
% R( P+ A) f: f( k7 C SysFreeString(valueStr);
* W- t, k' \2 Z* B# c
6 ]9 E! m2 W* W6 ]1 `' i* e( e6 s. }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???; ?8 Q+ m" e. i6 t+ B1 {( g' m
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; q$ a5 ^$ o& x- `: W, Q
// Request a value from Extend
2 N3 t+ i, n. c9 }//
' p' ?/ S0 e5 t* F// Initialize the variant that will hold the BSTR. Set the variant's" E( `* A7 w5 r9 S+ S+ l
// type flag to indicate the fact that this variant holds a BSTR. Place the
! ]' q. ]1 L0 w// BSTR into the variant structure.% a* G. u0 w$ a9 ]6 x' d
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 C ^: ^" _$ W" s
" W3 R6 d" |1 Y
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' s* ]4 p! o# l. m+ V9 @
VariantInit(&requestVariant[0]);
1 @- R7 y& p S1 J6 O, D requestVariant[0].vt = VT_BSTR;$ {! c' e& A* ?( U! r2 k
requestVariant[0].bstrVal = itemStr;
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# q, R2 ]9 j) Q/ O% r topicStr = SysAllocString((WCHAR *) L"system");7 o" d" y' h2 m1 W* H' A! R
VariantInit(&requestVariant[1]); 4 b, p0 o, Z* F9 B! R7 [; N+ y! X
requestVariant[1].vt = VT_BSTR;- D. k; D0 y, \
requestVariant[1].bstrVal = topicStr;
& Y: S# T! X5 Q. m+ A/ F" q1 J% g) Z2 c) X$ k
// Set the DISPPARAMS structure that holds the variant.$ T) w" \0 \( V3 c
. x& Q2 d4 j; p3 Y7 T6 c dp2.rgvarg = requestVariant;
9 f m7 T, L( d h0 L! h( R: J7 L dp2.cArgs = 2;& D x8 S; i. i4 b
dp2.rgdispidNamedArgs = NULL;) r5 M4 s" L% ]* @
dp2.cNamedArgs = 0;
* b: `# B% w3 i* ^ Y7 E9 O1 J5 x& q/ E
var.vt = VT_EMPTY;
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* w* q D. E0 O+ L3 V% Q// Call IDispatch::Invoke()( Q& T& ]8 U& I% G) |+ ?
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hr = m_pDisp->Invoke(
# i0 `: [' ^9 N$ ^) x requestID,
* g! U$ Y5 s9 O s IID_NULL,. D* X" o- I7 z- ] l* _# t* ]6 \0 t
LOCALE_SYSTEM_DEFAULT,. s: D* L0 D9 h6 @, P( E
DISPATCH_METHOD,
9 b0 P9 p9 M% h- o &dp2,: U8 r4 ~$ n4 W% D
&var,, u+ v% w4 _; q7 H8 a1 V
&ei,( S' ^/ n( B8 m3 T: Z
&uiErr);7 c8 z) T* b4 a
4 I; t. \2 I2 O/ V2 `2 k SysFreeString(topicStr);; a- `( s; a3 a
SysFreeString(itemStr);3 w7 p& J' I5 ? S) {8 x3 h; Z
请问该程序是获得extend里面的哪个值?6 o. {6 A3 G: @# f
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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