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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 ], a) ]! o1 h7 @Name = (WCHAR *) L"Poke";) {5 x a0 {6 d, X
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hr = m_pDisp->GetIDsOfNames (; V/ ~; u) r n4 Y
IID_NULL, // reserved
8 J( t5 {! e% w &Name, // Array of names to get IDs for
, J/ s: m# p1 l( [$ [7 ^, P 1, // # of names in the array4 Q0 h$ c7 e5 t, d: ~9 B
LOCALE_SYSTEM_DEFAULT, // System locale
; y" T/ ]; Y/ q' I' D$ W- ^ &pokeID); // Array of IDs to fill on output
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if (hr)
/ n& I( v& t2 v- ` {
, o# T9 x4 P5 G MessageBox ("Get Poke Unsuccessful");
5 h* ] {8 W* T$ t# j: a1 H return; j' y+ K1 S0 |
}
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7 B* _/ X a$ }- C% }# V/**************************传递数据给extend**************************************/
3 H: N; X$ n7 c$ \0 ? pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");/ ~1 J5 T( b! E# ~" M! U, q& M
VariantInit(&pokeVariant[0]); 2 b% B$ P) r7 ?8 D+ R
pokeVariant[0].vt = VT_BSTR;
9 K9 O" u/ g h4 ]2 ?. B3 R% q, L" ? pokeVariant[0].bstrVal = valueStr;8 G C' M: w- F& r& a" S6 x; }
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, V4 f- A' T' i' x$ \/ W VariantInit(&pokeVariant[1]);
0 G* @+ e8 |$ M$ s( P4 x6 Z pokeVariant[1].vt = VT_BSTR;7 P* ~. j _* N6 {0 W8 k4 n7 @
pokeVariant[1].bstrVal = itemStr;! z, b9 Q! r z+ S t0 o
6 o8 t+ i0 o1 I- a% S! V/ F: { topicStr = SysAllocString((WCHAR *) L"system");3 ^6 I9 a# i9 }1 R( a
VariantInit(&pokeVariant[2]);
! E& p# W+ r' n6 w- U/ \ pokeVariant[2].vt = VT_BSTR;
; p* ^% B# f( d( d6 \8 i$ [2 `" j pokeVariant[2].bstrVal = topicStr;/ u0 J: H3 o$ g9 C. j
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
( F7 L! j3 i) i, z dp.cArgs = 3;
9 p' n# ?* Q9 X% F8 n( x6 E* y: H dp.rgdispidNamedArgs = NULL;4 @5 c$ p' Y! G. V' B7 z7 W
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(- q" H! [+ ^. f7 |3 G
pokeID,
4 ?9 q+ B! }8 x2 @) a( L IID_NULL,
, F" R6 o# b, H$ h9 j2 A" v5 q! v LOCALE_SYSTEM_DEFAULT,
2 b9 K4 y. a7 `- L7 ] DISPATCH_METHOD,
& T3 I- o- o6 R/ Z &dp,
+ a2 ?) K5 d4 K" | NULL,6 ]9 a" F T. A3 H. }' q! m
&ei,1 Z9 q" w9 u% \7 g c" l
&uiErr);
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3 S0 H4 B/ j/ u6 I SysFreeString(topicStr);
, B3 }, m; @5 F SysFreeString(itemStr);
3 x1 j2 I$ _6 U+ p SysFreeString(valueStr);
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3 l- f8 s) g# k4 }, W2 G# n, A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???
% ]( j$ v8 N/ S9 c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' u3 q/ V6 ], h. r1 w' |- k3 V
// Request a value from Extend) x' d5 P' t; A0 J- n
//
% N. v$ T x/ j; `* m2 R// Initialize the variant that will hold the BSTR. Set the variant's" \* @% u7 x4 G' C. D
// type flag to indicate the fact that this variant holds a BSTR. Place the
9 W+ K: I, s! T% J// BSTR into the variant structure.: K) b7 l+ N m
]& \* O+ ~6 e) b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ ?5 w) d# s# x& F: Y7 c
VariantInit(&requestVariant[0]); ; U% d) m0 K- j1 q; r8 j% y. E$ h$ E
requestVariant[0].vt = VT_BSTR;' s* E6 s: _, Y3 S6 c" }. k/ h
requestVariant[0].bstrVal = itemStr;! x" o U- J+ K
1 d1 h1 {4 Y* q, m$ y3 ]6 O0 ]
topicStr = SysAllocString((WCHAR *) L"system");4 |" q( T4 z( b& ~2 D/ n+ N
VariantInit(&requestVariant[1]); / X, e: i% {8 C
requestVariant[1].vt = VT_BSTR;5 q; v( f3 ~+ Z/ i( t" f4 S
requestVariant[1].bstrVal = topicStr;
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# |! ^; Y; f3 a A1 v5 B5 R// Set the DISPPARAMS structure that holds the variant.
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) u3 m: v7 O, s x* P, I dp2.rgvarg = requestVariant;
0 e7 p) `- G6 V) Z, p dp2.cArgs = 2;5 [, j7 A% ]* D, j; u
dp2.rgdispidNamedArgs = NULL;" P2 M& ?( }6 ^ h/ {
dp2.cNamedArgs = 0;8 D/ B* G$ j( G+ H' f5 ]$ [
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var.vt = VT_EMPTY;1 C8 H3 g$ O C/ f0 L
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// Call IDispatch::Invoke()
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7 j* w0 F1 ^* r1 ]# B hr = m_pDisp->Invoke(4 t5 @2 S/ M) C1 R5 _
requestID,
' A* _$ p1 a$ S) x! K) m; s4 y8 `2 i IID_NULL,7 ?. R6 i4 t; j
LOCALE_SYSTEM_DEFAULT,
" |1 D6 j6 i% M1 T) j' M* E DISPATCH_METHOD,, K4 Y, O0 F# w, I) ?% ^
&dp2,' a! j: ?+ h" T9 R3 j1 f5 n5 {1 {9 v& [
&var,
9 m# b/ B8 {: Q9 x; s* H" {, j; y" r &ei,
# T5 @6 j# c+ e &uiErr);$ H( }$ J+ C) h, m8 A m! ^
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SysFreeString(topicStr);6 S4 B' F ?' J1 O+ O5 b: |9 c
SysFreeString(itemStr);2 U; m& n. f/ R3 G
请问该程序是获得extend里面的哪个值?
% ]( u+ I* j5 {. k8 f( k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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