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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:
6 _0 [* [& F( V4 j- CName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (9 B: |( v# y1 m' \1 h' {( a0 b
IID_NULL, // reserved
! Q$ y; d# _: c7 }0 ~ &Name, // Array of names to get IDs for
% ?2 t" {( Q( h, } C 1, // # of names in the array% R F5 D6 I) l/ E# n7 O* @( i
LOCALE_SYSTEM_DEFAULT, // System locale
* a5 W( j& w+ x &pokeID); // Array of IDs to fill on output- \1 S# j' o3 v# D- k
S" \ Y0 ~' ]. N0 W- B- B& n if (hr)
% z; b3 I/ Y" L% h1 Z; V. O# _ {
; F/ @9 Z# Y3 P MessageBox ("Get Poke Unsuccessful");
. g5 c+ A2 [7 y1 `- W& y return;
+ c- o$ X f) {' L8 p- j0 D* K) _3 ] }. z7 x' O' i Q8 B6 I$ ]
3 E4 f) M5 F/ K/**************************传递数据给extend**************************************/! m0 |4 g3 F" V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
' i4 H; C9 Y1 o4 \
; ]: n2 T: j/ J/ m valueStr = SysAllocString((WCHAR *) L"1232");
+ J5 j( w" i6 {; i VariantInit(&pokeVariant[0]);
% l& v1 p. D7 \3 S6 x/ J/ f pokeVariant[0].vt = VT_BSTR;' ?- q" j* _ @ F* ?
pokeVariant[0].bstrVal = valueStr;3 E5 [* M8 i k+ m/ R* k0 p
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* N' o/ U c/ J, i, }9 z2 L VariantInit(&pokeVariant[1]);
* j' k2 q& \1 E, a( N) O6 C0 w pokeVariant[1].vt = VT_BSTR;. x& S0 `, R5 ^: P+ A
pokeVariant[1].bstrVal = itemStr;& |: Q( A O% A+ W. B% _
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topicStr = SysAllocString((WCHAR *) L"system");
7 X4 e! N+ Q' d5 g VariantInit(&pokeVariant[2]);
3 a# ^2 A8 M* m8 x1 U pokeVariant[2].vt = VT_BSTR;7 c _4 g0 |7 h9 G e6 P
pokeVariant[2].bstrVal = topicStr;
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# m% ~- G* {/ d7 ]* |// Set the DISPPARAMS structure that holds the variant./ |6 t+ V$ ]- o) a+ P
% k1 L$ \2 _( w& h0 Y' L dp.rgvarg = pokeVariant;
: _' _2 L2 \7 W! h* D$ g4 ^& A dp.cArgs = 3;
4 J5 w1 \& {' E1 R L7 j dp.rgdispidNamedArgs = NULL;
+ b, T2 |9 v" ^1 j dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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, v! @# V- f. \ hr = m_pDisp->Invoke(
* r! _# `, A1 i5 O# J pokeID,% H+ ^* j' _, z2 B
IID_NULL,! d0 ?$ o- L V! e. g
LOCALE_SYSTEM_DEFAULT,* D" ?7 ^& G t# b4 D0 a5 g
DISPATCH_METHOD,9 c5 q5 b' M! L3 n: ] u, S
&dp,
/ {8 f! j" C$ H3 H ]1 f2 i: T8 } NULL,
" L$ M; c# {7 v, t* n &ei,5 q" v; v. c" z' @! b
&uiErr);
" \+ J" M* ^- ], l- d) O; E' D
$ ]) [/ B t% Q* C; Y# @7 t SysFreeString(topicStr);
5 `0 a9 N2 P) |8 {% h SysFreeString(itemStr);" M [, {1 J2 ]3 E. ?; Q q
SysFreeString(valueStr);
+ O# B2 _1 a0 W& L" ~
9 R# l4 d% _1 v+ e7 K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???# c, }+ O) `3 T
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
2 ?2 f$ L4 V7 d// Request a value from Extend
2 E' e' d. D# d3 D% Z- o* v8 N" S1 \//1 i, I6 }- S& o; p" ~8 }/ y) i0 a
// Initialize the variant that will hold the BSTR. Set the variant's
* W: M3 g7 ^# Q6 v0 j( k' L$ \* n. P// type flag to indicate the fact that this variant holds a BSTR. Place the
- |3 S& o- M3 M# U& e8 r0 v8 }: j0 W& s, \// BSTR into the variant structure.: e; P: G; @5 b* `- D
( N& D7 E! @/ R2 A; q( L requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# A7 z3 `% B7 A; l
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 m3 s( r+ |$ }8 z6 b7 ~
VariantInit(&requestVariant[0]);
1 j* b5 [0 f; K+ o requestVariant[0].vt = VT_BSTR;6 a% }( l- x1 Q Q
requestVariant[0].bstrVal = itemStr;1 b2 O: L* v) M1 X+ q7 C; S
7 k" \2 O% @& @; i0 ]& s7 U topicStr = SysAllocString((WCHAR *) L"system");0 m9 j; B X- D8 `& c
VariantInit(&requestVariant[1]); , S& {, I& C* A$ o3 @7 r
requestVariant[1].vt = VT_BSTR;* V0 Y' N3 Y0 p7 @
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ Y8 v! G, D4 f
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dp2.rgvarg = requestVariant;
: T4 O2 p, I8 J8 Q+ r h dp2.cArgs = 2;
! U8 G+ x4 c- o, l dp2.rgdispidNamedArgs = NULL;; q2 j7 R: ^) B# D: W
dp2.cNamedArgs = 0;! T& q4 h: g4 L- q; V! B
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var.vt = VT_EMPTY;
/ A. q3 }" X3 D l4 ]5 t9 h( p" E
% Y4 Z& k8 j- _: j8 S// Call IDispatch::Invoke()
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/ f+ i7 O D$ T9 l hr = m_pDisp->Invoke(/ G& D8 c9 I) v# ^4 U) ~2 f* K
requestID,
I- z2 ?6 F& X8 K' O1 r IID_NULL,
8 ]- W# q0 B1 S6 y: z LOCALE_SYSTEM_DEFAULT,' j7 t; F! O" ]( b# Q( l
DISPATCH_METHOD,+ W3 E% H. o3 d# K, \* u
&dp2,
- K4 t: ]8 \9 N; M5 L9 c! M9 ~ &var,/ y' Z* w# y' d) D' S
&ei,
9 ~$ Y, `) q4 l; M5 r3 d! w &uiErr);/ p8 G' W( }7 |; z C
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SysFreeString(topicStr);
2 v! P' h! @$ x& d s2 v% s SysFreeString(itemStr);; O6 q( m2 c* E* Z
请问该程序是获得extend里面的哪个值?/ n# ]1 D! Y, G. }9 Q( _: E0 L, j; s y
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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