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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 U7 A ~6 P% J, b/ j$ X7 E
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
. K1 X3 t, K7 I* R {* S9 Q# } IID_NULL, // reserved# M- S- w. u2 E6 V+ R
&Name, // Array of names to get IDs for# `- F: i$ K6 J e( g- T
1, // # of names in the array
4 O; }* M; {5 Q3 S" M3 V LOCALE_SYSTEM_DEFAULT, // System locale
; ^5 W: ~" u% f' K &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
+ h& z1 I! s( t. i5 r return;
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/**************************传递数据给extend**************************************/
) r5 ?: J- N0 O9 r5 c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( C/ A0 J0 Q5 R$ S* c
' A. \7 |6 H1 w1 i# b! V! d$ s valueStr = SysAllocString((WCHAR *) L"1232");
* i+ z; N9 I2 h; a6 N. z( { VariantInit(&pokeVariant[0]);
5 ]/ E. F7 L- {6 ?" H& Q" | pokeVariant[0].vt = VT_BSTR;
& B; w, z. u N& d pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; e0 N: j. o; G, Y Q/ Y1 K+ g VariantInit(&pokeVariant[1]); - ?6 }7 y3 I- F" A
pokeVariant[1].vt = VT_BSTR;5 C& q4 U$ M3 p9 p f- G6 \
pokeVariant[1].bstrVal = itemStr;4 y" u3 L, I8 ]: W8 l! @1 y
" v8 d; h5 I1 ]6 K topicStr = SysAllocString((WCHAR *) L"system");
1 k" T! a5 N- k5 L4 V- d VariantInit(&pokeVariant[2]); , i- K; }: |- @: R2 P. t
pokeVariant[2].vt = VT_BSTR;
. O& q- y1 D% | w; `% q pokeVariant[2].bstrVal = topicStr;
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& n3 G& X3 f: m( N/ Q// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
4 \7 w3 U+ Y" o$ A a$ k! a# d9 A dp.cArgs = 3;
- p8 v) Q- n2 w6 Z0 a m8 Z0 q3 ? dp.rgdispidNamedArgs = NULL;
8 V! S1 O; L" X x dp.cNamedArgs = 0;
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0 W" M+ s0 a& i; t% H// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
( ? ]1 x+ ^! q: k5 l# r3 _& C pokeID,
" K/ V- _2 |& y! @( `( S5 }2 o# f IID_NULL,5 N8 Y* X2 G; ^1 V5 R/ r& [
LOCALE_SYSTEM_DEFAULT,
9 S* U/ _! j' _! Z' [# D DISPATCH_METHOD,$ }9 n' k+ I4 Y: R$ l! |0 h
&dp,+ H3 D; v e; {4 L2 B
NULL,
: O* _6 b. Z$ {4 _' g &ei,
- F. q# r# ~- h& g5 I &uiErr);
+ ^' o _9 n' _1 }+ P# V0 e
! \7 p0 Y! L. u: z4 N A SysFreeString(topicStr);) r) Y2 k% l7 K( |. A
SysFreeString(itemStr);. I4 [& Y. m5 c- F: l
SysFreeString(valueStr);
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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???' U# x9 }3 p7 @4 c/ r
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6 K. h1 d( b6 h8 x& N; v9 X
// Request a value from Extend7 D" @5 ^3 p' L0 h
//& V) g8 n7 o# K* a" i) r
// Initialize the variant that will hold the BSTR. Set the variant's# h0 U, T _5 _" j- N! k; f
// type flag to indicate the fact that this variant holds a BSTR. Place the/ ^9 m I" A( H1 P& K* e0 H1 S
// BSTR into the variant structure.( L9 C: m) v9 u+ l+ ]1 V
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* @5 E# y- n: W/ D+ i
VariantInit(&requestVariant[0]);
/ G# ?/ ~' _& }& P9 W" W6 t requestVariant[0].vt = VT_BSTR;8 l) Z; B: P9 u) G! C! ]1 j* p7 d
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");5 t* S4 |6 U @9 p; `( a+ g A
VariantInit(&requestVariant[1]);
" D8 O" S2 d0 L3 h* B, v2 F9 P requestVariant[1].vt = VT_BSTR;& ?% P1 I7 ?& j: Q y3 s
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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9 t6 c+ m7 b7 ^/ J6 x: I6 e5 k& K dp2.rgvarg = requestVariant;
% v% r; K+ Q, B: m dp2.cArgs = 2;, J+ `( i$ F K$ M( G* N
dp2.rgdispidNamedArgs = NULL;0 X* j5 F8 G1 }% m9 O/ I7 I, b2 |
dp2.cNamedArgs = 0;
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3 A, o1 G& @ t% ~" H2 _ c var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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+ p& c- H. f( M' Y# q- w& T hr = m_pDisp->Invoke(1 |; r( a1 ^: Z, Z+ D9 I
requestID,
9 [; Q" t# a A( o l! V IID_NULL,* M9 J3 v" b! \* s$ _2 C
LOCALE_SYSTEM_DEFAULT, P$ s: ]) J# }; ?
DISPATCH_METHOD,+ }7 J% W/ ?! {8 }
&dp2,
$ a* X: ~% F7 j" A) u. \ &var,
- ^) Q( b) f+ n* }4 P0 e! Q* s &ei,3 C" _7 [* K% u# g
&uiErr);0 b, E; D- P* V* T4 {! n
) y; F3 ]3 M* g
SysFreeString(topicStr);
) e% {1 V6 k# q9 g SysFreeString(itemStr);
0 r6 }) t2 w1 S1 j请问该程序是获得extend里面的哪个值?
, `% S7 W5 q9 F+ ~& s" t0 \8 d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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