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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:9 W) _* i# u/ G9 s7 L. U$ U
Name = (WCHAR *) L"Poke";* N j" e: V$ i* J& t! D8 C
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hr = m_pDisp->GetIDsOfNames (% |$ Y% I( X, o7 R3 R! A1 `1 {% A
IID_NULL, // reserved
: Y8 `' |0 ~' L2 C &Name, // Array of names to get IDs for' l+ i9 N9 U. S: f" K2 B/ J4 w
1, // # of names in the array
: d. C U2 t" I LOCALE_SYSTEM_DEFAULT, // System locale/ P; n! Q; R+ ~ @9 n5 D1 V
&pokeID); // Array of IDs to fill on output6 ^ [! l a {2 |# A. ?
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if (hr)
~3 O% [- m4 ^" p: f {
- O4 X1 Y( i+ A$ C' X: F MessageBox ("Get Poke Unsuccessful");
3 n' |, R( s* U4 U return;
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/**************************传递数据给extend**************************************/: c1 f( {5 c2 a* l) W
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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, p" r) @9 _6 S& N; {& l4 { valueStr = SysAllocString((WCHAR *) L"1232");% [9 e$ F2 ~" L% d
VariantInit(&pokeVariant[0]);
8 a: Z6 ?. e- I" q9 E$ ^7 o3 ~ pokeVariant[0].vt = VT_BSTR;
- X1 w w1 M( L* P pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 z0 ^( c3 J6 ?1 N
VariantInit(&pokeVariant[1]);
7 n/ n! ]: |1 h! \& `/ W" B pokeVariant[1].vt = VT_BSTR;8 ^1 I( U0 Z% l. \# H: A0 `2 @
pokeVariant[1].bstrVal = itemStr;
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" O- v- g7 M) h4 q. I* U N topicStr = SysAllocString((WCHAR *) L"system");
* P3 f. M: r9 S8 F VariantInit(&pokeVariant[2]); , e5 N; p: Z: C+ [# W
pokeVariant[2].vt = VT_BSTR;* P; d1 M3 J2 N
pokeVariant[2].bstrVal = topicStr;
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) P/ Y' x2 {& c' V" y- p" s+ r// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;) |! O4 r" g4 f! h
dp.cArgs = 3;
) c* G8 W' {* S' I dp.rgdispidNamedArgs = NULL;
9 ^7 @0 ~) t1 p1 I% G4 Y dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()5 [% G4 ^* s M! A3 X
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hr = m_pDisp->Invoke(
8 d6 v$ g. i6 N( j( Z pokeID,
2 U# E8 u; D' |/ _% d* m IID_NULL,
4 o! m" ?/ Y: x& r* A LOCALE_SYSTEM_DEFAULT,
7 f9 x. B# { r DISPATCH_METHOD,
8 B) } o. u" C/ `# u &dp,& }' o8 |' k0 h; I
NULL,
5 z( s5 o" z( _ u3 s &ei,
2 H9 Y2 U7 d2 x2 g) ` &uiErr);
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SysFreeString(topicStr);3 G9 l3 s7 J% a+ T# W6 P7 L. @
SysFreeString(itemStr);" a6 A4 x6 H2 L; M9 a/ L7 [$ @
SysFreeString(valueStr);
/ M# |! ]8 a. n+ A' J% X1 P% X8 Y$ R6 S5 {$ G) s) [7 s }9 n
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???
, [1 s5 U( O& g- }& J4 M" g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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. ~' x" Y/ l5 I" R9 b8 v, @% x2.这是request的程序
% t/ {/ R2 {( W# t: d// Request a value from Extend# [4 r7 X& |0 Y' ]& X6 e2 Q4 H
//
0 `9 y$ [ V( y8 C5 r// Initialize the variant that will hold the BSTR. Set the variant's
6 O7 c) V" T9 ^// type flag to indicate the fact that this variant holds a BSTR. Place the
1 b- S+ N6 S4 p( Q, `// BSTR into the variant structure.# k: E* G" E& K X" y7 l7 R/ ^
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 M9 O8 d6 Q. ?; T5 K7 h( h. B* K
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, i' @( I( L. z) g' }
VariantInit(&requestVariant[0]); & a+ ^' ^1 w: h) k
requestVariant[0].vt = VT_BSTR;& x0 S9 }8 L2 N8 {! i! {5 S- l
requestVariant[0].bstrVal = itemStr;/ H2 x- j9 p6 v
4 i: Q4 Y+ J! W5 t4 U topicStr = SysAllocString((WCHAR *) L"system");
I' m% C. U. M VariantInit(&requestVariant[1]);
8 c0 [4 C9 H9 l0 M+ | b requestVariant[1].vt = VT_BSTR;
5 D; T6 b# i; y( ^ requestVariant[1].bstrVal = topicStr;! @5 e% o; N; y% ^9 Q) G) L2 g+ y; d
/ H x; s2 G: v// Set the DISPPARAMS structure that holds the variant.
8 }0 D- u" G% U1 |
4 X v' d2 I% q3 Z6 ]8 P dp2.rgvarg = requestVariant;" r; V4 v3 v" _
dp2.cArgs = 2;; U( S' G' d% N' g/ K: x
dp2.rgdispidNamedArgs = NULL;" [# o. C L5 r) V @
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* J( [3 Z4 V4 o" f: v+ O
requestID,
4 m- f) D- `0 F% {) j$ r0 S7 b IID_NULL,' \( v& J( W" D3 Z" c/ F3 z& z$ O
LOCALE_SYSTEM_DEFAULT,4 q2 q1 s' z! ?! w5 u
DISPATCH_METHOD,# B# j1 s2 D5 i9 g
&dp2,/ C2 j) t# M. o7 B+ q- _& L, b
&var,: M$ g V% w! o% d
&ei,
& u$ Y) k$ |0 k$ s# _ &uiErr);8 Q1 V* a% c7 t1 ~% K
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SysFreeString(topicStr);
! w. _+ x4 g4 I& k: Q4 `- f/ O7 U SysFreeString(itemStr);
& e% i1 s9 }" N请问该程序是获得extend里面的哪个值?
9 j" r9 ` c5 R3 ~4 p; E8 G3 L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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