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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:
- z/ f- s* a) \" w1 N1 u5 zName = (WCHAR *) L"Poke";
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3 v& Q7 R: Q$ F4 q" ` hr = m_pDisp->GetIDsOfNames (3 D: h) b5 {* `5 \
IID_NULL, // reserved) f* c5 V$ A0 X1 [
&Name, // Array of names to get IDs for
0 g1 V% a3 l/ g. Z2 }" k' _4 O 1, // # of names in the array* h1 |5 p; x* T& F' H0 `. T3 P
LOCALE_SYSTEM_DEFAULT, // System locale
# Z6 R, j3 h0 F( g( T- } &pokeID); // Array of IDs to fill on output
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if (hr)
2 r) Z( N1 j1 t' A5 d {
' R% v6 Y5 |" ? k6 W; t9 j MessageBox ("Get Poke Unsuccessful");) r- B) F e" C6 l
return;
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/**************************传递数据给extend**************************************/
+ q& j1 c, w# v: I0 q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ m2 z) H( w) ~) a) ~) ?: J( \, j
, ^/ q: f K4 L2 S+ W5 b valueStr = SysAllocString((WCHAR *) L"1232");
7 R( v* S' L6 }, X! f; N VariantInit(&pokeVariant[0]); 5 Y Q, c+ S" B8 J- [
pokeVariant[0].vt = VT_BSTR;% R9 l8 T$ G9 e9 K5 |7 {& H
pokeVariant[0].bstrVal = valueStr;5 [ S* I' ^/ }/ F2 I8 f6 z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! L+ m/ H6 P; s9 }8 a& B VariantInit(&pokeVariant[1]);
) q$ S; S& f! x% `+ I4 Q) v pokeVariant[1].vt = VT_BSTR;
/ r( Q$ }# ]% Y pokeVariant[1].bstrVal = itemStr;+ J+ |1 T8 R0 c/ K8 i2 d/ f2 H
- Y7 B8 D" |( [3 \0 `, U. _ topicStr = SysAllocString((WCHAR *) L"system");0 x+ m [+ E( B
VariantInit(&pokeVariant[2]); " m% A- ?* |& F2 j- m3 B
pokeVariant[2].vt = VT_BSTR;
; T* D" _0 s- v* V pokeVariant[2].bstrVal = topicStr;8 ?; n% B; g1 Q6 N
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// Set the DISPPARAMS structure that holds the variant.
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$ Y! @4 l. @9 B* G* y dp.rgvarg = pokeVariant;
1 @: V0 Q {% T3 e dp.cArgs = 3;
% ^0 E) I2 ?4 A9 a e6 w dp.rgdispidNamedArgs = NULL;
) C& X0 b* F7 d% @5 H dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()/ a0 V+ B9 |& A4 r' n
5 n# L, ^% K1 E$ X hr = m_pDisp->Invoke(8 v6 y2 |- K9 F- q1 V4 U; R
pokeID,
% b+ e9 W7 |, A2 H: o IID_NULL,& w; m5 a6 ~7 {& v; J6 X1 Q
LOCALE_SYSTEM_DEFAULT,
3 O8 e' B# B! |& ^4 \ DISPATCH_METHOD,
6 P" _9 I# O. v6 [9 Y7 o9 P &dp,$ W7 v" ?, l+ T: [
NULL,
6 ?8 C! w1 H, F5 ]: T2 } &ei,
$ t( \& O6 s) H; g/ N6 ^ &uiErr);; I' C, I. o I3 J8 [; S6 s7 @
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SysFreeString(topicStr);
) y( r, W: I( w: O. d0 O SysFreeString(itemStr);" X- [5 i1 M( y8 @8 Y3 I
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???6 V* O' ^. A2 h- @5 o2 t* 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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8 @, Q* T( Z' O2.这是request的程序( M J/ K( F) Q: {0 I5 A/ F
// Request a value from Extend9 q7 q9 M2 l: y: G/ U* Y
//
) o) l# ~$ q# [0 }! E// Initialize the variant that will hold the BSTR. Set the variant's q2 V/ P% j/ G* m& n6 F
// type flag to indicate the fact that this variant holds a BSTR. Place the
7 \$ K+ }! } P3 S// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ j' l8 @2 G7 r, C VariantInit(&requestVariant[0]);
) F) C4 s7 \! U/ W6 Y" U2 l1 a requestVariant[0].vt = VT_BSTR;3 S5 ]( C- B0 `3 [1 \9 z4 N0 W* v5 ]
requestVariant[0].bstrVal = itemStr;: \; f) J; N+ ^( q; D! F
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topicStr = SysAllocString((WCHAR *) L"system");* N1 E; Z% \0 n1 J1 [: ?+ O* ?) s( N0 H
VariantInit(&requestVariant[1]);
6 ^" s, W+ f7 {9 ]" E* A requestVariant[1].vt = VT_BSTR;
; ~, Z3 b. B' i requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.& W6 K! ]( B3 X' t5 N
w% v; R' z8 Z$ K, q; Z2 H dp2.rgvarg = requestVariant;
; `& @1 L, ^ f% I) E/ u dp2.cArgs = 2;
( Q: N4 {$ N. ? dp2.rgdispidNamedArgs = NULL;( s! L2 D$ J. g
dp2.cNamedArgs = 0;) s6 ]$ x5 p3 D1 u
( W2 Y F2 k, j" y( _2 E var.vt = VT_EMPTY;
+ ~8 c9 d/ {( M7 Q4 {' C2 F/ A
3 b. C/ U) P* K" W; W( G0 j// Call IDispatch::Invoke()! [- N3 F; t) B/ |0 ^3 N- O
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hr = m_pDisp->Invoke(
; r5 \& g) t4 u: X$ t requestID,: u( f, k( D B# F# J6 {
IID_NULL,9 O; K k( p" s: V5 ^5 J& y
LOCALE_SYSTEM_DEFAULT,# e. j: ]5 ~( a5 r" P; {3 ^
DISPATCH_METHOD,
1 {% t! l* ~/ `* t7 d u2 e: o( S9 y% u- R &dp2,$ y7 n6 m% p5 S+ x1 P: a6 n G
&var,
1 j1 L- E2 ?( e- ^ &ei,' c# e, Y) o9 D$ W; j- G
&uiErr); {1 g7 m* a* J; M5 Y* e
1 i/ ]3 o0 v0 l4 [ SysFreeString(topicStr);
3 V4 j% _9 P* m" s m# E SysFreeString(itemStr);( G9 u1 K+ }5 a' X9 f& [- k
请问该程序是获得extend里面的哪个值?
0 B: @1 ^2 u% l: C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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