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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:
- t( A* c2 I9 a+ R0 wName = (WCHAR *) L"Poke";1 V, T: Y, B+ x. U
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hr = m_pDisp->GetIDsOfNames (
* _- @6 p, T/ [# `6 C }: Y: {) g IID_NULL, // reserved5 c/ X! |# e" `
&Name, // Array of names to get IDs for
G6 k/ y. c5 _0 _% w F; g3 _ 1, // # of names in the array& k, v- t* f2 @8 p, I9 i
LOCALE_SYSTEM_DEFAULT, // System locale c( v* o+ I ]
&pokeID); // Array of IDs to fill on output' h. r% ?0 V3 I9 `: c; B
% P7 {, ^+ e* R- `
if (hr)
" Z) e, g$ z( J. w+ q2 ~ {
( a! z: @" O$ H/ j1 G; ? MessageBox ("Get Poke Unsuccessful");
2 c' d! v% ~5 g% A return;5 D/ j. v, c( S
}
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/**************************传递数据给extend**************************************/6 z: f1 @! J4 D7 K% x `
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! O( L! C$ |' V& C; g
( S& Z+ j! n2 U9 C% l1 y1 P1 { valueStr = SysAllocString((WCHAR *) L"1232");. u& ?+ t+ l" U1 C
VariantInit(&pokeVariant[0]);
9 S6 T/ |8 q0 r pokeVariant[0].vt = VT_BSTR;
5 B! Q6 }5 p& ^: X. z r pokeVariant[0].bstrVal = valueStr; c/ ?% k7 [* L
: _* ~6 T( m' \3 m: c
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- V. Y; w7 m3 w' ]7 l VariantInit(&pokeVariant[1]);
' L: u- [ k& S6 v1 z3 N pokeVariant[1].vt = VT_BSTR;- T+ ], S- z! b
pokeVariant[1].bstrVal = itemStr;' H" T! r6 P/ z C6 g
, w- I! E5 {# K topicStr = SysAllocString((WCHAR *) L"system");
. f3 b$ g: c j; ?. V" v7 K7 t VariantInit(&pokeVariant[2]); 5 q7 F5 h" E8 B) C! z
pokeVariant[2].vt = VT_BSTR;) U3 @' l) C" c$ p$ |
pokeVariant[2].bstrVal = topicStr;! X7 I6 U9 N8 h9 f5 f3 C
* S; z, v8 [4 F! D7 N// Set the DISPPARAMS structure that holds the variant.4 T, \+ u& g$ s; s& h& B# X. y
3 C6 K$ E5 r' [0 U$ I+ O dp.rgvarg = pokeVariant;3 v) k! L" Y1 B& ]' }1 C8 X2 t( m
dp.cArgs = 3;
+ C0 Q+ l5 E( [ ]( N dp.rgdispidNamedArgs = NULL;2 m( e: w B. G8 l; R
dp.cNamedArgs = 0;
& z4 s! ?' C' E: |# m3 H) @ ]# _$ Y/ t/ Y
// Call IDispatch::Invoke()
. ~7 {6 m2 L" Y: Z$ M5 d8 p9 z8 d& \
; F+ w& k( _- ?. }" o hr = m_pDisp->Invoke(4 V& V- q& z' G2 E/ L t
pokeID,
, Z: H: d6 q% W7 c6 R IID_NULL,! j) {/ w% b) u
LOCALE_SYSTEM_DEFAULT,3 ~4 M' D1 N6 C2 |% G
DISPATCH_METHOD,
/ o4 W! V9 \& {* E0 c &dp,# N1 P0 H* E9 e" b/ }
NULL,3 `3 Q* f; a' R0 M' T) ^
&ei,/ f/ e5 L& h# c, l% O+ L9 c
&uiErr); i! y- c; P2 Z9 n c
3 k3 s0 _& z% i7 Q" J' x SysFreeString(topicStr);
* y- V+ `! p0 E4 x9 u5 l SysFreeString(itemStr);
9 s. [+ V" h/ H8 z: s) p3 Y$ r SysFreeString(valueStr);
' e5 j7 w G) P8 w0 J4 x, K
1 ^' M* g3 a/ T4 @' F' G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???
+ r; o( h' D) E0 Q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????2 h8 S% N. l: E$ K& M: L& l+ ~
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6 r* Z5 M/ `1 P) B7 h) t
2.这是request的程序
/ l9 W- T- o* N$ l// Request a value from Extend4 N8 E( |. Z2 x2 H- _1 A8 r* p' S
//
) Z8 b# g. T, C2 [4 h6 j// Initialize the variant that will hold the BSTR. Set the variant's( R% p, s* ^- l, Q
// type flag to indicate the fact that this variant holds a BSTR. Place the; \: c) q0 w! b5 @2 N% s5 p |
// BSTR into the variant structure., t: ^( k) ?! M& S5 J4 b, X
* N6 q; c$ [# j0 F0 K+ s/ c" L
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 J0 `- M [/ r+ b) o( }/ [9 @
8 d2 i4 n% H) Q7 f& l
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ C+ D" p2 X5 O9 X( V# ?
VariantInit(&requestVariant[0]); : F* ]: Q9 A# `$ }/ E
requestVariant[0].vt = VT_BSTR;
! r W- j+ r- y/ P' o requestVariant[0].bstrVal = itemStr;
8 k) W1 S( B3 g. q2 Q8 U1 Q$ w$ `- a5 K2 h
topicStr = SysAllocString((WCHAR *) L"system");2 m1 P; p5 x" O
VariantInit(&requestVariant[1]); ! E- G- J) C3 t( R" y: n
requestVariant[1].vt = VT_BSTR;9 M* \, a9 B g6 v8 C$ p+ I
requestVariant[1].bstrVal = topicStr;% k$ G9 ?) l! ~4 w2 r! q
0 Z" E. H- D: N
// Set the DISPPARAMS structure that holds the variant.: J$ U$ R' u0 {0 W# g& q: d
. U. C& K' t) h0 y9 o dp2.rgvarg = requestVariant;$ C$ v* M9 S3 ^1 q$ r
dp2.cArgs = 2;
# Q p5 s2 X, B8 U1 Z0 j4 t# F. p dp2.rgdispidNamedArgs = NULL;
. s7 E9 n9 g$ R/ k/ u dp2.cNamedArgs = 0;
7 {- j5 j; J7 P B+ e
* ~6 X) e6 U5 K* o% @8 [ var.vt = VT_EMPTY;& r: Z( ?( v1 E- p* w) `
# U& S0 `* ^% L3 R! u// Call IDispatch::Invoke()3 C" d" ^5 x. h: Z& k
# a j1 ~3 X, L0 M' D7 _ hr = m_pDisp->Invoke(3 Q9 [9 A1 R, \0 H+ ]' ~) v$ y
requestID,
: _" p8 |+ N9 B u; Y" A IID_NULL,/ \2 L+ B8 |+ [% l
LOCALE_SYSTEM_DEFAULT,' b" z: K) v; A" Z w
DISPATCH_METHOD,; p( ~% l) [9 {: i" O8 p
&dp2,
0 D( K/ w/ A8 `$ G! E. k1 Z &var,) j' ]$ z, ^+ A& ?- T
&ei,
" x. O; P$ h- U8 D" q. T$ B: E &uiErr);
$ `" i( n5 \9 M" Z3 U
& O J' n& H/ A2 B' k/ x% b SysFreeString(topicStr);7 _) X8 R+ F5 S; \
SysFreeString(itemStr);
+ \4 j4 j3 O' w0 J8 h: I z9 [$ G* D请问该程序是获得extend里面的哪个值?
- T$ f( Q/ V; K) A6 z) _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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