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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: [% E; V* c; v1 X: F
Name = (WCHAR *) L"Poke";
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; h3 X. _ O, o; q hr = m_pDisp->GetIDsOfNames (! C" I) M3 }+ ]
IID_NULL, // reserved
1 i4 f8 V0 L/ b A- t: ~ T- Z &Name, // Array of names to get IDs for+ y4 B8 @! F% c$ k+ L% M
1, // # of names in the array! D3 J! s( S+ y* K+ O8 p' X4 t, j
LOCALE_SYSTEM_DEFAULT, // System locale
5 }0 X' G, s$ ~9 B5 b &pokeID); // Array of IDs to fill on output. V- O8 z' d, f
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if (hr)
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MessageBox ("Get Poke Unsuccessful");. ?4 j( f( n# R
return;
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/**************************传递数据给extend**************************************/
9 w+ o) B' M1 @! B0 | pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
, y& k" y8 ~& p" t1 j; ` VariantInit(&pokeVariant[0]); 0 h0 B/ h* \" h+ f) I4 e
pokeVariant[0].vt = VT_BSTR;
# `& x* i' @: T. Y* F pokeVariant[0].bstrVal = valueStr;# n2 U# d! X5 w) `9 \) _
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 W2 p1 D2 N) k: |- x
VariantInit(&pokeVariant[1]);
: D1 s2 h+ F. C( n P pokeVariant[1].vt = VT_BSTR;
3 g- B/ Q' E z- z6 q/ k" [0 U5 } pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");* w$ k' l( L% n: A& T% x% A
VariantInit(&pokeVariant[2]);
; q8 X4 ^2 U5 I7 S5 R pokeVariant[2].vt = VT_BSTR;: j2 D7 Z4 g: D) ^1 ^8 w4 a
pokeVariant[2].bstrVal = topicStr;
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$ n0 |5 f* p5 @8 ~ R6 }( D& |. i// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
2 ^. L# w! T2 n0 @ dp.cArgs = 3;. ]! s @0 l- T; a4 U
dp.rgdispidNamedArgs = NULL;
+ W/ y4 j4 F7 `' U3 }, Z. k+ e! | dp.cNamedArgs = 0;- Z/ J. W2 l8 H) L, M h- p1 T0 {
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(5 P: G0 z1 E. c3 }1 }$ `7 t
pokeID,
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LOCALE_SYSTEM_DEFAULT,
7 p4 n0 R* C4 Z" U DISPATCH_METHOD,* x* Z1 h" R6 P8 g
&dp,
$ l1 o! J$ s6 i+ j9 _ NULL,; L. x \% B" T6 X1 X1 a6 E" q
&ei,
z! \3 Y/ V5 c &uiErr);
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SysFreeString(topicStr);, ?+ ?0 E$ k, h. V* f
SysFreeString(itemStr);
3 X0 }, ] _; m; b2 i( {/ Z) r- { SysFreeString(valueStr);
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! G; N2 }% ]7 u7 c7 B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???! A; j! B9 {- ?( S/ A* q) r" i
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( u# k+ z6 X# S) G5 `
// Request a value from Extend
@- O7 i2 W1 ^: `% \//, s" V7 @, r- h8 e( b
// Initialize the variant that will hold the BSTR. Set the variant's R- n0 K9 d8 l
// type flag to indicate the fact that this variant holds a BSTR. Place the. y, K, d$ j% ^6 U7 n( @0 {7 ^
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
: B0 y. l. p; @; I+ }
; ]" m+ c+ X+ D4 _+ { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! d0 }! @# ?1 ~1 {4 y; G9 R VariantInit(&requestVariant[0]); 4 D- h, i. k) W) N
requestVariant[0].vt = VT_BSTR;6 Y/ b0 E) y, p6 ^5 y: _+ X
requestVariant[0].bstrVal = itemStr;
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1 H' G' m8 C Q& t' Q' i topicStr = SysAllocString((WCHAR *) L"system");, r% q! V) [% S
VariantInit(&requestVariant[1]);
5 T' E& u1 z+ e) P requestVariant[1].vt = VT_BSTR;5 A% w4 C. s% H, m& i9 ] z) e6 B
requestVariant[1].bstrVal = topicStr;; x8 N) x Y, ]) |) S* |
/ n. F" z/ X9 J1 e" k+ I// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;7 u4 v) Z- t ~) @1 E; t$ }
dp2.cArgs = 2;; D% l9 Q6 a' e& ^& @% x8 @' E
dp2.rgdispidNamedArgs = NULL;
! d; K r- l2 U: e: ^- M dp2.cNamedArgs = 0;+ A2 ]# ?, z4 e
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
7 S( V% N" w" C2 [ requestID,
" k' m0 z; H M% o IID_NULL,
- o# O3 m* N/ \' }% n& H7 h LOCALE_SYSTEM_DEFAULT,
% i! u; C4 s$ h! f% `% d DISPATCH_METHOD,
3 w. @* f/ I0 j &dp2,2 G. d: i* k" \( H( Y5 E
&var,
; x- K1 Y6 d4 e6 d &ei,
* Q" _4 B% m7 `; ]- |4 i &uiErr);1 e) H. J# N3 l
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SysFreeString(topicStr);
# U L; f9 }- X [! B; R5 r8 @ SysFreeString(itemStr);
$ ]1 ~$ }$ P$ P# V请问该程序是获得extend里面的哪个值?$ }+ e" W/ [& q% Q5 s/ N
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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