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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:
. l& Z8 B9 k1 _$ P+ ?) k9 x, O. D( \. qName = (WCHAR *) L"Poke";/ `1 p) `2 I( z {+ O% h
, ?; K: G3 M9 e0 ~ `& S hr = m_pDisp->GetIDsOfNames (
7 F' m% }# T8 d- k7 J" R IID_NULL, // reserved
6 C/ {- d5 R& p N& k &Name, // Array of names to get IDs for
2 {- B1 I: g/ c2 A! g. S. o+ P) j 1, // # of names in the array
+ s- \) u8 q+ L. c3 u LOCALE_SYSTEM_DEFAULT, // System locale9 H$ r* g# |" g
&pokeID); // Array of IDs to fill on output
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if (hr)
# \4 ? ~. T% t: v1 G' e$ ~ {* b! _" v! Y6 y/ h
MessageBox ("Get Poke Unsuccessful");1 O: M" m9 ~6 ]" D7 }! R* m/ G
return;3 O& \! W7 j3 d* b5 }. g
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/**************************传递数据给extend**************************************/# U8 O# P2 q6 H) p8 q; T" V* K: Y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- ?- H! M: C# K/ j' n
2 R+ S- m; S; j8 x
valueStr = SysAllocString((WCHAR *) L"1232");
2 g; E' [4 ?0 I/ \8 c8 \! E VariantInit(&pokeVariant[0]); # p' s1 s5 R9 w4 _+ |3 p
pokeVariant[0].vt = VT_BSTR;
) Q$ E* d& m" \ pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- I, Y9 x5 v# s& Q( o _: c
VariantInit(&pokeVariant[1]);
6 Y( k" w; ^. k1 v; d pokeVariant[1].vt = VT_BSTR;$ J/ |/ A* _& o
pokeVariant[1].bstrVal = itemStr;# V7 C+ |$ S! \$ Q) H+ i" E. p
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topicStr = SysAllocString((WCHAR *) L"system");# V+ V) W. a2 H1 _) p C7 g& p
VariantInit(&pokeVariant[2]); ( F3 g8 V! B" b# G7 Y; M% v6 o
pokeVariant[2].vt = VT_BSTR;
4 c( h/ ?- n& q' i3 a2 ~$ }% c pokeVariant[2].bstrVal = topicStr;7 w* F$ p5 q+ ]$ B* x0 S* p
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
+ o* `3 V, Y0 X9 r6 W P dp.cArgs = 3;* U6 N" k' R- P) r
dp.rgdispidNamedArgs = NULL;
% w9 E! J, D0 M* L m7 x0 {* T dp.cNamedArgs = 0;
6 R% ?' K8 y& `- m4 X8 ?6 ~$ [- b/ t
+ ^3 o9 |3 H1 |1 j! S+ X// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
( ]4 D4 X* `$ `. ~ pokeID,
. S, y# C, N! |3 Q7 [0 R IID_NULL,
- L6 ^, T D( F# S! |, ] LOCALE_SYSTEM_DEFAULT,
+ g# ~" V q: |# O DISPATCH_METHOD,
" x0 w4 M. x0 O+ N &dp,$ F. R. F/ x; O. b, `) u# M
NULL,
( ?+ e4 E3 G @: Y3 b &ei,
# V; H4 m6 L3 y7 ]+ X- {, J &uiErr);: m) s: [' i" ^' B( O G! M& I; ~
3 g" T& s' L/ J SysFreeString(topicStr);
$ s) ]; i6 E' [) m2 A SysFreeString(itemStr);5 b- Q4 o- G, i5 F
SysFreeString(valueStr);
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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???9 e* Z, S+ G3 K& c6 z. e9 R8 e
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
7 D# s2 T9 b& w7 N6 S// Request a value from Extend" x5 n: L% ~1 a, b
//
G. e! x, k+ n+ ~: g/ {% }4 ]% M w// Initialize the variant that will hold the BSTR. Set the variant's9 ] P! G, d) _+ A. v0 o
// type flag to indicate the fact that this variant holds a BSTR. Place the
* }( `: m7 M9 q7 t// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 Q- ^$ j4 ~& Q5 z; O
VariantInit(&requestVariant[0]); . V* x( t6 p' P" @: y: g) V
requestVariant[0].vt = VT_BSTR;& K* x4 s9 n2 q& A+ D6 D* O$ d' y
requestVariant[0].bstrVal = itemStr;
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: {7 r4 T* v1 W. S! |( E h topicStr = SysAllocString((WCHAR *) L"system");1 a# J5 ^- t* q! V$ t
VariantInit(&requestVariant[1]);
6 Z- W6 J: d& W7 I* K8 l requestVariant[1].vt = VT_BSTR;
% N& q" x! u" i requestVariant[1].bstrVal = topicStr;* e0 Y+ Q4 _+ e9 ~& z/ O2 g
\/ L" G$ H$ ?8 d6 I; P) {: d// Set the DISPPARAMS structure that holds the variant.: w- _7 o' G/ v; O4 W j: b( o
% r$ K- U/ g% e& k# k) i
dp2.rgvarg = requestVariant;3 @$ V0 q. i! `2 r8 T' \& p$ v
dp2.cArgs = 2;
" K+ D, Y& O- i7 ]. D: h/ O dp2.rgdispidNamedArgs = NULL;' \: i& }( H- e' R* \+ P1 t6 q
dp2.cNamedArgs = 0;5 @- U; Z# V" @' _2 h; v f
; l( J* H6 U; T var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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) e$ I9 e0 S Q* h7 h. e8 e hr = m_pDisp->Invoke(3 w7 k7 M: e2 S
requestID,* r. l( V* M! f3 l
IID_NULL,' W# P- ^$ r% c$ F. Q+ [& Z1 g
LOCALE_SYSTEM_DEFAULT,( f" C% @5 f5 j( z+ {7 n% j$ _ @
DISPATCH_METHOD,
& x6 a- l7 u. | _ &dp2,! K1 A- a. V- C* N- L
&var,! ]$ d$ e# v- j- m Q; k; C5 |
&ei,6 \' V+ g; V3 X. b- y9 V4 }
&uiErr);% ?; h/ A" ]0 V7 T' ~
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SysFreeString(topicStr);
R& j- K* S; ~3 x e2 L SysFreeString(itemStr);2 S' L( H! u2 P1 I7 T6 v
请问该程序是获得extend里面的哪个值?
. `6 O/ n9 C! q" q6 |, a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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