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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:
, U9 v* s; c2 u- n7 `! l8 rName = (WCHAR *) L"Poke";
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# A; T4 u- n$ X1 N hr = m_pDisp->GetIDsOfNames (' y! w" _ l4 e9 m( }
IID_NULL, // reserved
; T4 {4 k# D5 z7 m' s &Name, // Array of names to get IDs for( G$ S; x3 g$ B
1, // # of names in the array
/ @# f0 F* c: u- ~1 ~ LOCALE_SYSTEM_DEFAULT, // System locale0 B; U7 P- E: K0 m* g- u
&pokeID); // Array of IDs to fill on output( \) N' Z) [. q# ?5 h6 r; n# |
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if (hr): p" A9 F! d$ _
{
. S) Y/ W% o& f+ W MessageBox ("Get Poke Unsuccessful");( O( |( t, V' ^9 k" ^% z3 S
return;; A6 N8 ]/ v5 v: x* r
}
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: R- {# i) A6 ]/**************************传递数据给extend**************************************/. U; G& c, J1 r: w& N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# w w& }- d% d0 ?1 p& p3 ^7 L
; W- ^& s& J0 D valueStr = SysAllocString((WCHAR *) L"1232");
( D* ~- m+ ]$ `3 K% h* A VariantInit(&pokeVariant[0]);
I6 }( t' p& S) Q+ }4 } pokeVariant[0].vt = VT_BSTR;
& _3 p# \0 b# `1 P pokeVariant[0].bstrVal = valueStr;) [% d; i, r) |0 Z" n# Z2 |
4 A( W- B# b- A- A4 w itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); t( y0 M. L8 u3 B2 q) J* d1 f. Z- z
VariantInit(&pokeVariant[1]);
: }8 ?4 n+ D7 [: `- {- { pokeVariant[1].vt = VT_BSTR;1 F2 W+ i$ ]/ e+ {( j/ m, E2 P
pokeVariant[1].bstrVal = itemStr;, H* r+ L, \ e! Y1 ^% ]4 R1 e
- u& V$ n0 \/ `2 P2 }# S2 \ topicStr = SysAllocString((WCHAR *) L"system");
. }0 |; }( V% R# T5 Z& O VariantInit(&pokeVariant[2]); " c3 z) ?$ `+ Q/ X
pokeVariant[2].vt = VT_BSTR;
" n" m/ Q4 S( s! K1 n- f/ _ pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;- v! p6 |4 e& m$ w
dp.cArgs = 3;
% }. @3 R5 U h9 w/ r dp.rgdispidNamedArgs = NULL;
2 Q$ D. W4 V* a3 T" O- h. \ dp.cNamedArgs = 0;3 {" ?; y! `& F9 U# j8 ^5 N
( `; x) U+ N6 v
// Call IDispatch::Invoke()) v8 U0 s) F8 U3 ]8 T, p3 i
2 s! f7 g% h1 z: j, }: v& C hr = m_pDisp->Invoke(
1 Y4 e3 F& r0 q6 S pokeID,
# E+ ~0 K9 b5 A2 {; ], a4 G IID_NULL,
4 a9 L* y) j2 ], e! w LOCALE_SYSTEM_DEFAULT,# ?% R' Y: j: r0 h
DISPATCH_METHOD,
$ c) i0 V# t6 S7 R/ }& y &dp,
T: w) O! j% K7 j% I& S NULL,
! _3 J7 _& X G }/ U$ t &ei,
1 f# T& o8 `4 C- U; _$ o- G* @ &uiErr);2 |& c) ^- q; E/ B+ f
' H! S* P \6 q, q% I
SysFreeString(topicStr);( W* N4 Z) p1 |7 \9 C' |* S
SysFreeString(itemStr);
- g" j: x, ~/ ~) [ SysFreeString(valueStr);8 R6 Y- x$ @1 f
2 U% p, J" A) _" 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???
; F) \ w+ b E: _: d6 R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????. N- _3 I. S; m" u
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2.这是request的程序
* h; ~/ a. b! ^/ f# }// Request a value from Extend# b+ C- i* {( Z! f
//4 K0 q, }8 ?2 Z5 U3 I
// Initialize the variant that will hold the BSTR. Set the variant's
7 e" W \7 I, M// type flag to indicate the fact that this variant holds a BSTR. Place the
/ D% `7 D4 j, m' F8 y# v// BSTR into the variant structure.
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$ X3 E3 C+ B0 N0 P3 U7 z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, |/ j6 ^7 l* r" k, \/ a
# ^4 b. p* m: F9 X) ^
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 S* \9 H2 u' D. k1 M4 G# _ VariantInit(&requestVariant[0]); # V. a* J( M9 a1 Z4 f
requestVariant[0].vt = VT_BSTR;
7 r) g. \* K0 @: i requestVariant[0].bstrVal = itemStr;
* g! }# O6 |" ^- q+ @% C8 {( Q7 A$ T$ q
topicStr = SysAllocString((WCHAR *) L"system");% Y9 m9 j1 V4 D/ Q# R3 B' ]
VariantInit(&requestVariant[1]); 2 o( T9 M' H V+ C9 [" a
requestVariant[1].vt = VT_BSTR;
- @& g# g- p5 A; ~ requestVariant[1].bstrVal = topicStr;1 Z* @& o4 J3 j5 L! C
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;* [# k$ k& K9 `+ t6 c9 n2 `4 O( M- A2 e
dp2.cArgs = 2;
/ ^. X. O2 B# E% @ dp2.rgdispidNamedArgs = NULL;
3 Z2 i3 M5 E. o3 f9 {2 c# F. b2 W/ I: | dp2.cNamedArgs = 0;
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1 A0 j$ y' b1 y! q$ u$ l+ ? var.vt = VT_EMPTY;
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6 V+ e; O: ~4 Y J// Call IDispatch::Invoke()8 a+ n6 x) A* }( }
* ~$ ~% z/ A' s8 u) b hr = m_pDisp->Invoke(0 r+ ~, v: T4 K! g) @
requestID,& {6 U/ @! t' ]8 Z' l6 R
IID_NULL, ~1 B; a4 w4 d s
LOCALE_SYSTEM_DEFAULT,- D0 @( x/ w& b0 p& I# z
DISPATCH_METHOD,1 Z. @+ Y) p% B! v
&dp2,
3 Y3 a/ E0 c/ {9 Y& Z: {- Z0 V* ? &var,
% [9 j3 f3 ?% e0 M &ei,$ D+ Z9 X, i7 `2 _' M2 }& }+ N9 n! u
&uiErr);
$ _5 d3 |8 |4 _% t4 k7 q5 g
9 T% `8 v. o6 h SysFreeString(topicStr);
# a. |- t! I; I+ U SysFreeString(itemStr);% n& v- j; o- r$ T+ M& O
请问该程序是获得extend里面的哪个值?9 l) b: `" p$ `' _' i
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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