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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:& H2 i4 V' j$ Y8 }' _# n R# ?% r
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (2 n6 g6 {" z7 x
IID_NULL, // reserved/ y5 W5 r- J- \( I4 @% \+ E
&Name, // Array of names to get IDs for9 Z; ]( R+ \. {3 ]# v, e
1, // # of names in the array, `2 x4 U0 O$ d; j/ V! L9 q$ K* T; j
LOCALE_SYSTEM_DEFAULT, // System locale# B; ~/ e0 w& c6 Q
&pokeID); // Array of IDs to fill on output' r- {+ t; {4 ?& n: D8 i* C# E
v# A- f7 w4 V5 w if (hr)
' T! y& D; v! S$ A {
$ y. t! E" j* A1 v+ T MessageBox ("Get Poke Unsuccessful");
! h$ D3 }1 j7 I return;3 Q" l# b' x5 P; O, M4 R6 v
}
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6 p: y7 @; k3 L, W/**************************传递数据给extend**************************************/) t# d+ y x& U! s% r& ^4 A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; R' G4 y3 h+ j
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valueStr = SysAllocString((WCHAR *) L"1232");" ]+ u5 }/ o0 @
VariantInit(&pokeVariant[0]);
! }( [0 C. l; \0 d, u% P pokeVariant[0].vt = VT_BSTR;7 g, \0 {2 h, h0 _4 Z2 _+ p/ o
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; a2 F0 E9 n4 L( V8 g7 t
VariantInit(&pokeVariant[1]); : s+ P2 S9 \& D& ?' a
pokeVariant[1].vt = VT_BSTR;% o) L* f/ J' P% F3 C) g
pokeVariant[1].bstrVal = itemStr;8 ?, U! Z- R ^4 p
/ ?! f# ^5 H; ^ d topicStr = SysAllocString((WCHAR *) L"system");& G+ K/ a7 g8 e
VariantInit(&pokeVariant[2]);
4 ], L9 q& ^# I' \ H7 ?+ A, K1 a1 r pokeVariant[2].vt = VT_BSTR;
/ m/ q; `& M1 G- c: D: }0 \ pokeVariant[2].bstrVal = topicStr;$ N9 q& |) H+ w+ Z. o
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// Set the DISPPARAMS structure that holds the variant.
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6 H2 m: o# b" u1 M1 I) Y4 c dp.rgvarg = pokeVariant;
8 o9 G, x2 z; }! g3 s dp.cArgs = 3;
7 f7 {3 ]3 _4 n' O6 | dp.rgdispidNamedArgs = NULL;+ v( I* F4 ] g6 h
dp.cNamedArgs = 0;3 q4 N8 u* N: a" B
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// Call IDispatch::Invoke()* v* D. v* b2 |2 w
! I, ~/ z+ ^4 I hr = m_pDisp->Invoke(
8 l; v F* ?0 m" b" q7 O pokeID,
6 L& |7 Q8 k' Y. @' Q IID_NULL,
6 n4 W4 i1 }# C LOCALE_SYSTEM_DEFAULT,
4 b3 i' h6 ]* E DISPATCH_METHOD,. p; g5 c6 G$ P3 n3 {6 g6 x5 N
&dp,
- P- u; z8 q% z NULL,, R! K5 ?; Q- j) s
&ei,, S/ j+ W. n: L4 J b4 }" Q) }& M
&uiErr);
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SysFreeString(topicStr);
7 s3 {, J( h7 C: L SysFreeString(itemStr);5 g& p- b: a% ]4 y& b( ]. T
SysFreeString(valueStr);! [# G( Q& {' q \# b
9 s: i( L0 i {, U) 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???
4 G+ [7 G( N! |5 R V# `. ~% J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+ Q K7 ^, l0 V
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2.这是request的程序
+ g* O! O1 |& U// Request a value from Extend
]/ w- `9 ~, g: E. S0 V//: a. n: S% g# d: {2 V
// Initialize the variant that will hold the BSTR. Set the variant's
3 Q1 q( ?, ?& U2 \3 S% V// type flag to indicate the fact that this variant holds a BSTR. Place the3 W% M- m0 I* |4 v% |
// BSTR into the variant structure.* K( U+ d5 [9 }& S; q
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
2 q# {& H6 ]- x u W
2 I* P- x# `& ?: U) O% { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 x: S' g6 \3 ~4 y; x
VariantInit(&requestVariant[0]); 5 S- z5 p( n' E! a; e3 p0 j
requestVariant[0].vt = VT_BSTR;- q7 n) z% S1 K& f* o4 ]2 ]
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
. A: S; v+ S' w VariantInit(&requestVariant[1]); / _ N7 Q8 N$ ?/ U
requestVariant[1].vt = VT_BSTR;8 [- ~0 t! `2 R, p7 C
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
9 l" S0 U6 q6 W% y( ^" {2 y- @9 [ dp2.cArgs = 2;, B$ v0 R( @+ \5 L8 W
dp2.rgdispidNamedArgs = NULL;2 r+ B8 v8 V$ V- g5 E; @
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;1 w7 a6 G0 t; a1 z8 `6 Q
6 T6 O9 Q @4 q& t* F+ p2 u/ o( F// Call IDispatch::Invoke()
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- K; b) a1 S+ ` hr = m_pDisp->Invoke(
: D: a; ~/ |4 @( Q& K' r7 v requestID,5 R" l7 `' K+ I) Z, m1 z* @
IID_NULL,# {) o/ j& k1 b7 ]( b
LOCALE_SYSTEM_DEFAULT,' D- D, J+ c; J# _7 ~
DISPATCH_METHOD,; M+ ]( _1 d3 S* `: v7 z
&dp2,) M' T4 J6 _- w
&var,5 |' m P# B5 r. z
&ei,2 O; p9 H& d6 G) ^7 @
&uiErr);
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SysFreeString(topicStr);3 a) y. c1 q, {( d( q
SysFreeString(itemStr);
; D8 u' y; P; R1 B/ p8 e5 {) }请问该程序是获得extend里面的哪个值?
4 {. m% P8 @- H6 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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