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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:# G4 Z; Z) M+ z* R) }
Name = (WCHAR *) L"Poke";7 w: f7 k8 w0 N, @8 g5 Z
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hr = m_pDisp->GetIDsOfNames (
; y: P1 e( [, H2 A: \( F IID_NULL, // reserved
1 H6 f+ ]/ o3 D( e a* i* {, | &Name, // Array of names to get IDs for9 i4 q# e/ W% p2 e0 Q7 E0 `
1, // # of names in the array* k. I) t( j% ^5 F2 n
LOCALE_SYSTEM_DEFAULT, // System locale% p, x3 ], c+ V4 m# `% G" T& Z
&pokeID); // Array of IDs to fill on output" d# t6 k o) e( o! [
/ e( K, }& I2 P if (hr)9 J9 x/ t1 U0 E' \- j
{' m: ~9 k+ D* [/ b
MessageBox ("Get Poke Unsuccessful");0 ` s8 I& e! p& ^* N. t
return;' o3 D9 L# D7 k& c' N
}
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/**************************传递数据给extend**************************************/+ z5 h: s6 Y& X) i5 @
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# i- h R* s! J
; c2 }: h. w3 y4 l valueStr = SysAllocString((WCHAR *) L"1232");) v; A3 T, @& A* k- X. q. Z
VariantInit(&pokeVariant[0]); 5 }5 F3 r: r& U
pokeVariant[0].vt = VT_BSTR;
6 T! C/ F' r, D2 j1 U5 v pokeVariant[0].bstrVal = valueStr;0 r* c0 O C) ?
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. l: W3 T$ k, V( R m
VariantInit(&pokeVariant[1]); 9 ~( R& f' Z* M* B6 A
pokeVariant[1].vt = VT_BSTR;4 W- I- V2 f% S
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
P9 E* N: H( H2 O A( A( e VariantInit(&pokeVariant[2]);
( e* ` T" p7 j \" L$ o3 S pokeVariant[2].vt = VT_BSTR;4 V) o7 W, Z+ M' R
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant., l8 g# D7 \3 ]6 A
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dp.rgvarg = pokeVariant;
. f( @9 \1 i, G5 u8 j- t) { dp.cArgs = 3;9 K- y( N# v) N' O9 {6 F5 n- V* m
dp.rgdispidNamedArgs = NULL;; m) F9 P9 n5 n
dp.cNamedArgs = 0;" n9 n. h9 X& k
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// Call IDispatch::Invoke()
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; t5 \0 o3 P2 X0 U$ b7 k hr = m_pDisp->Invoke(8 J" P) G( w/ Y
pokeID,- w8 C" j3 s3 w0 \9 S
IID_NULL,: T1 ^& L5 I1 F! j0 c
LOCALE_SYSTEM_DEFAULT,
8 w) G' c% |* f* C. N& {8 D! j" m DISPATCH_METHOD,( b1 f9 O: E5 ]; z; a4 G
&dp,
, A1 `1 d, j# {0 }( G U3 o# i U NULL,
4 `$ _9 L, O: T2 Z/ m1 } &ei,3 W4 L; J9 Y) e1 r' r& t1 P
&uiErr);
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+ x- L7 ^. U- H3 d$ d SysFreeString(topicStr);
+ I% v( e F1 e+ c: X SysFreeString(itemStr);
& a+ h) W9 l7 l2 \1 E4 K6 _* p& x5 ] SysFreeString(valueStr);! x' H& M4 Y1 X/ s
7 Z3 ?* F6 P% ^; X d3 ]* Y. g# T
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???
) w3 }/ b8 M: j* P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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! r& r J. r( x, U8 t- l% X" p2.这是request的程序
& y# X& f7 [1 T7 S// Request a value from Extend/ D4 H& D* O/ |" P& E( Q( ]
//' ], r9 U" x2 S5 r
// Initialize the variant that will hold the BSTR. Set the variant's: l7 Z0 G1 C$ h+ n( ?$ [
// type flag to indicate the fact that this variant holds a BSTR. Place the
+ _, P( N6 R7 I, u) i// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 y* |; x% [* i, a; z6 E
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ L1 a* r2 @! V: Y4 f5 Y' Z VariantInit(&requestVariant[0]); 7 A `* u6 t9 N
requestVariant[0].vt = VT_BSTR;% q* R8 c- n* m4 d
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");8 ?' n/ J4 l& u% b- t
VariantInit(&requestVariant[1]);
1 e/ P; |0 M2 y4 J8 n requestVariant[1].vt = VT_BSTR;
9 H2 ]9 P! S, L: u- b6 V* q requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.' t/ J$ i/ z' P7 j2 o; K
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dp2.rgvarg = requestVariant;6 e# T0 W: H7 B, s
dp2.cArgs = 2;. ^% \* |5 O" w& [% J* W$ \
dp2.rgdispidNamedArgs = NULL;% r* s) w9 X7 H/ |- Y
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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. E/ O5 B! B6 j# D: o ]% q hr = m_pDisp->Invoke(5 ]2 _% Y9 O# s$ G3 u9 G! K0 P
requestID,
7 K: u6 M# i! k4 E9 u8 }- H' T% B IID_NULL,2 K2 `1 Y& f g5 v, s
LOCALE_SYSTEM_DEFAULT,# h/ N R) [& k, j* I
DISPATCH_METHOD,
# e$ U; i) d$ g &dp2,6 z4 S0 R& n( O; Z
&var,+ I/ D1 R7 f) O8 G
&ei,
9 r- L: k! s. D0 ^1 ^ &uiErr);
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SysFreeString(topicStr);
3 t) E1 @$ }8 D( k! p9 Y2 H# { SysFreeString(itemStr);
& ]( W4 E- E% u9 C9 x/ V请问该程序是获得extend里面的哪个值?- I" ?6 I8 a) n% ` L2 J8 I
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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