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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:2 \0 V; n% T- q$ E; u
Name = (WCHAR *) L"Poke";
% h' C6 g6 t% u, i5 x ; t% y/ \: l! o- T% ^
hr = m_pDisp->GetIDsOfNames (
( f |* W0 o6 V2 T9 {, @* v IID_NULL, // reserved! H/ c) ^; ^! u- F
&Name, // Array of names to get IDs for
3 m$ O [1 V: w& L0 \4 j% U' p* H3 Y 1, // # of names in the array
6 m$ g- U* D' V8 h0 x$ K# v LOCALE_SYSTEM_DEFAULT, // System locale6 |! A2 T2 j e. t9 H% f0 k7 l! `
&pokeID); // Array of IDs to fill on output
) J0 K3 G& Q: S
* v. K8 s1 x7 [/ C2 F# R if (hr)
. d% H! N# A5 M/ F {
. O8 X5 O/ ]2 {* k( j MessageBox ("Get Poke Unsuccessful");: H+ B: [, \8 ~& h
return;. f( J$ ^& o$ }1 A% `
}
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$ R1 A, \6 ?5 L0 A. l+ f/**************************传递数据给extend**************************************/
( d' i7 k) L" p3 R# H- Q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ m- |7 x9 j1 C4 C3 ]: h
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valueStr = SysAllocString((WCHAR *) L"1232");
- U; n, B1 y$ M% Y& w3 G- l0 r VariantInit(&pokeVariant[0]); 6 ]6 {! |) B4 G, n
pokeVariant[0].vt = VT_BSTR;
9 ^8 X% L0 B' x pokeVariant[0].bstrVal = valueStr;1 d6 I/ }# ~# l$ c
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 d4 }5 B% Z7 ` \7 U VariantInit(&pokeVariant[1]); % G# a* Z* `4 p( p' f) }
pokeVariant[1].vt = VT_BSTR;
9 Z. m m$ J, s h$ K0 l: p pokeVariant[1].bstrVal = itemStr;! h2 ~0 I1 c: T4 [- A% f, S
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topicStr = SysAllocString((WCHAR *) L"system");
, D3 m4 C6 ?5 q3 l2 \ VariantInit(&pokeVariant[2]); 1 m' Z2 b& A: c+ ~! }
pokeVariant[2].vt = VT_BSTR;
0 z& y; P9 V& N pokeVariant[2].bstrVal = topicStr;
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1 t3 m2 |9 `& }3 j/ p2 |% N: V// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
1 B# y2 L5 |0 a5 B( r dp.cArgs = 3;
4 V7 _6 m* g3 ^/ \3 C& S dp.rgdispidNamedArgs = NULL;8 `& R6 J7 B# I# m
dp.cNamedArgs = 0;
4 Y7 j/ _; ]/ j* r7 H& u
; d' \% _$ c6 f7 l7 c// Call IDispatch::Invoke()
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6 e2 L/ b3 o# o1 ~ hr = m_pDisp->Invoke(: M- Q' r- I* G( n" p
pokeID,
7 ?- V' U2 W: `, M IID_NULL,/ l5 O5 h+ [8 p: y
LOCALE_SYSTEM_DEFAULT,
8 l3 z9 Z1 Z; [5 y DISPATCH_METHOD,
, R. l8 b/ C( N& y! f, T0 w &dp,
# i, e. u! `" y5 M. q, O NULL,1 u* l% @0 E. V9 F1 r8 B
&ei,
% z% k0 ]9 D& b2 X8 v &uiErr);3 G2 T! Q6 G2 _, D1 t; C( t
' F: n5 y" G' M6 U% \ SysFreeString(topicStr);# {: S: }1 j, U: T' {
SysFreeString(itemStr);4 `# |6 x2 l. S
SysFreeString(valueStr);+ \% [, w+ T) ~7 n# P, H
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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???
& A; {' H; h- z* q4 L% {) }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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3 L9 B, Y: Y2 }3 y3 ^* K5 b
; ]2 N# q$ _0 Y0 u" K2.这是request的程序8 G+ y: _! ]8 ]( T* V
// Request a value from Extend2 G Y! O) C+ I/ U
//
/ F9 F9 [$ B( V: o2 q2 n# V* ^// Initialize the variant that will hold the BSTR. Set the variant's
7 E2 w% N& ?- @# Y7 \/ z8 X: ?// type flag to indicate the fact that this variant holds a BSTR. Place the# A) l2 ^' n: v5 a8 Y& k# O
// BSTR into the variant structure.1 C2 w! b- N4 `2 I5 f
" P5 {! e& ]3 u0 u requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) B% V) y3 m' s0 t: @/ ~$ E1 ]
- Z" F5 G; u( X( o4 _- C& \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ }; \- X a) K9 ]5 i7 V VariantInit(&requestVariant[0]); : Y8 |2 s' w/ u7 j z+ ^
requestVariant[0].vt = VT_BSTR;
; d! b4 ]6 c2 h2 a4 ? requestVariant[0].bstrVal = itemStr;
5 `9 [) l R M; ~ U5 x' w0 h4 ?$ t8 ]+ n& D9 f. I4 [* R
topicStr = SysAllocString((WCHAR *) L"system");) d# t3 Y: T) P" Q8 L0 s
VariantInit(&requestVariant[1]); 9 G j" B* @9 {0 P! u
requestVariant[1].vt = VT_BSTR;* U9 s4 v% W4 r, v& f3 C& S
requestVariant[1].bstrVal = topicStr;' l. C' M" m3 d6 }
; v& W4 S1 T B5 b" | t/ A" p// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;) L, b9 R1 f! D, |# [+ Z
dp2.cArgs = 2;8 Q( y4 s- j( M4 s
dp2.rgdispidNamedArgs = NULL;
; J+ h' `9 ?7 v- @ dp2.cNamedArgs = 0;
1 ^: { Z: n# `) ?+ Y& N9 a4 X/ k4 k; ]. f4 S0 q
var.vt = VT_EMPTY;
# L4 a6 y* n; ]. E6 X* }
# x% N% c! Q }) I; k* O// Call IDispatch::Invoke()/ ?: R8 h% b( @9 t
& M, B7 K. d+ s2 W3 c; D& f) ^9 s hr = m_pDisp->Invoke(9 y; L$ p. U. b# H r
requestID,
& z* ]! W' c( W: [8 g; v IID_NULL,6 D$ \' v R1 |
LOCALE_SYSTEM_DEFAULT," L+ Y4 s& d l3 u# k5 x& T2 v' c4 E# V
DISPATCH_METHOD,
8 s2 e. X1 i% S; l1 _; g &dp2,* [5 b5 k6 j3 U; J) K: ^
&var,
0 ]2 K1 s7 M4 s, @) ?% S &ei,: U9 |, \/ m: b& m( w/ V# Q0 x
&uiErr);' G" W$ W/ R/ V9 {
M1 m b4 \* _# v
SysFreeString(topicStr);* f1 G- x( I: q. R# D
SysFreeString(itemStr);
- F: }( d! r+ d请问该程序是获得extend里面的哪个值?
& `/ ]! O% f, R: ~9 C. P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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