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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:1 m/ E2 m( X- N0 B# m
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames () Q% Y* t c7 Y1 c
IID_NULL, // reserved) Z' s3 W/ w# y8 y3 f) R3 P
&Name, // Array of names to get IDs for/ T+ I/ @) D5 l: l8 e
1, // # of names in the array2 p! p9 n" C* u: V
LOCALE_SYSTEM_DEFAULT, // System locale
4 s" ~5 u" E8 k1 p- ]9 o7 M &pokeID); // Array of IDs to fill on output1 ~5 g; ^# K0 k' _" |
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if (hr)* M4 Q1 m J, I" f/ E0 O8 _; o
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MessageBox ("Get Poke Unsuccessful");5 Q! n* ^) i& z
return;4 }- ]. ?) l" x" }' B$ J+ l
}
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/**************************传递数据给extend**************************************/
$ q$ f2 N( ]& U. y7 [9 \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 F- y) Q& E2 i
2 h- Z3 K1 r2 {- i$ P2 d W3 ~ valueStr = SysAllocString((WCHAR *) L"1232");
: }: p$ g" H; ^" O$ Y$ N. a VariantInit(&pokeVariant[0]); : x5 {6 q! y2 Y' x8 L( y
pokeVariant[0].vt = VT_BSTR;
1 l- i- i' ^! d1 E5 K: \3 Y pokeVariant[0].bstrVal = valueStr;
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9 X4 x& I4 L% {" O$ e) D' l' B: s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 }- C1 J- b4 e' }* f. v1 I: l9 k; q
VariantInit(&pokeVariant[1]);
. Y. F! u! ~' L1 S pokeVariant[1].vt = VT_BSTR;4 T4 \# S7 a) |& h! V7 S, I! O
pokeVariant[1].bstrVal = itemStr;$ r& M/ h) g! K4 l
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topicStr = SysAllocString((WCHAR *) L"system");
% M" ~4 ~( l( U f VariantInit(&pokeVariant[2]); ) Y4 G5 k; `) f
pokeVariant[2].vt = VT_BSTR;4 b5 Z! f7 K5 M, Z9 M
pokeVariant[2].bstrVal = topicStr;
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2 d7 F/ J o% o7 p" E# u// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
! \0 F5 ?$ \& r7 ], U; \ _ dp.cArgs = 3;
, b' W" U) T, B& M dp.rgdispidNamedArgs = NULL;$ f0 y( p3 p4 r5 k: Q5 v+ {
dp.cNamedArgs = 0;
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/ N, o, h+ w* Q: e8 t, N: m3 h8 }// Call IDispatch::Invoke()! z# d& E! x! ]' ~1 ?
3 ], Y, _8 U, j5 H( \7 A9 } hr = m_pDisp->Invoke(# |9 H! R* U4 l m
pokeID,. q+ D4 [' t' p7 o5 G
IID_NULL,
# S9 k: \; X q, a" @ LOCALE_SYSTEM_DEFAULT,. a: U% X' w$ |
DISPATCH_METHOD, ? `7 J7 s% Z
&dp,' F7 X( H; g8 d; `* S+ s
NULL,
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&uiErr);: q4 O& G; w9 c- j* K: x
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SysFreeString(topicStr);: A* l* B2 I/ U/ ?0 D; c
SysFreeString(itemStr);
& ?- {) Y1 P) e SysFreeString(valueStr);9 S! \' S1 Z' T9 ]
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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???
3 b! }! Q7 P, p( r! u1 Y6 _+ B7 u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
# R& B/ c* n1 U; g// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
& J8 |: u0 ^$ Y+ t6 s// type flag to indicate the fact that this variant holds a BSTR. Place the7 z( j0 {3 A1 \7 P0 g$ f0 c
// BSTR into the variant structure.) J, k% H1 Y# m' h; k: s
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, c9 P! p6 c# d& N9 S" t
$ _/ F/ b8 Z, c3 F! N+ o( c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; z6 a7 C' @# ^0 W) v
VariantInit(&requestVariant[0]); 1 D: a' T0 C% x9 s( j
requestVariant[0].vt = VT_BSTR;1 E2 \1 Q$ n$ x3 I+ e- a$ p' T9 f8 e4 r
requestVariant[0].bstrVal = itemStr;! k4 c+ a( _# D, n5 Y& [( `4 r Y! k
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topicStr = SysAllocString((WCHAR *) L"system");1 e \& u* Q, V- w# Q3 m
VariantInit(&requestVariant[1]);
5 _* b4 ~: B" h* \+ G; y, M requestVariant[1].vt = VT_BSTR;
! d4 F1 I- v( b requestVariant[1].bstrVal = topicStr;
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4 {8 Y3 e$ z! N3 m$ [2 w) L// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;# s" `& G6 @" _2 s% \5 _& |6 o
dp2.cArgs = 2;7 y h: e( _9 C$ ]# m; r, i0 y. @
dp2.rgdispidNamedArgs = NULL;
j& c8 h! k4 b dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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& o) v( s2 f/ \) y9 H hr = m_pDisp->Invoke(
" `; e' F3 H* w' c' u requestID,
$ k9 H/ S2 ~- I: p$ b# Z/ ^ IID_NULL,& C" Q& c3 G- H$ G6 ^
LOCALE_SYSTEM_DEFAULT,
0 E2 D6 q, b3 X5 J2 f7 H& Y DISPATCH_METHOD,
' P% `. U" ~; |3 S) ^ &dp2,
% M' W8 U- w; E3 J0 J7 h &var,$ T v/ x5 } u: j
&ei,
# L7 `6 N* k& N$ K' a &uiErr);
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SysFreeString(topicStr);$ {; L9 P4 l1 P6 ~
SysFreeString(itemStr);
: G3 i# L) O2 { m. G请问该程序是获得extend里面的哪个值?# l D) |$ Y( V1 t5 u
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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