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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:6 n5 x- U a$ S" m. u0 c) J6 v6 X
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (0 w( I3 s1 |2 o
IID_NULL, // reserved3 z; m$ D; V% r: v- P
&Name, // Array of names to get IDs for# p, u" w, |; w0 N, R
1, // # of names in the array1 a- X# D6 w6 A- B4 |% C9 a; l
LOCALE_SYSTEM_DEFAULT, // System locale$ ? A- b: v1 s6 R/ W2 I" A- a' X
&pokeID); // Array of IDs to fill on output
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+ W7 ~% M) @# k1 j) ^ if (hr)
5 t& x2 d- ]! j2 k, q5 b. v {
: T1 u2 R9 y2 x. N" @ MessageBox ("Get Poke Unsuccessful");
/ o1 ~8 ]: Y q# ^# l r return;
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/**************************传递数据给extend**************************************/
. l. e0 t# z8 z7 `, ? pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ U3 C+ h4 d$ a U/ m* N
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valueStr = SysAllocString((WCHAR *) L"1232");
5 x: t. K1 t* S9 i/ O3 \$ L VariantInit(&pokeVariant[0]);
% q2 Y1 K2 V$ i1 O pokeVariant[0].vt = VT_BSTR;, l: c2 m7 B: c3 s& U4 J
pokeVariant[0].bstrVal = valueStr;
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- S: I7 N3 I; n$ {- a+ |% F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 i% c$ \7 m' L+ x
VariantInit(&pokeVariant[1]); . H- k$ D' w: Z6 {+ L) c5 j+ S
pokeVariant[1].vt = VT_BSTR;8 c4 f$ c; R z6 R0 K8 [! u7 p
pokeVariant[1].bstrVal = itemStr;9 o, g, B# Z: K7 K7 G# C9 @
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topicStr = SysAllocString((WCHAR *) L"system");# u+ B# W3 H# Q& x( y. S
VariantInit(&pokeVariant[2]); 7 b( q$ e7 p6 N. [4 X+ I' W
pokeVariant[2].vt = VT_BSTR;8 j9 x8 I( ^% ~1 Y
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
: j1 h% W) ?1 n& q9 g" R dp.cArgs = 3;
2 b. n. o+ g; c D @- }) f dp.rgdispidNamedArgs = NULL;& R1 ^6 [3 l5 ]
dp.cNamedArgs = 0;2 _# Z! j6 L4 G# l4 w M
" g* A5 p0 m1 F/ S. _) {& T. g* g- e// Call IDispatch::Invoke()& a7 ]. j0 u2 H) j8 ^8 ]$ P# G
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hr = m_pDisp->Invoke(
X! i/ T- Q- l5 r$ l pokeID,) ?% N, B" g. E1 g
IID_NULL,0 \9 z( y* S- M7 D
LOCALE_SYSTEM_DEFAULT,
( Y8 Z* X J' b/ q! E. a# Y: ? DISPATCH_METHOD,0 {$ R5 t$ X* J; j5 h
&dp,
4 A. P, C4 n- p$ R4 C NULL,
0 T) j! d) V" ~% E* M &ei,
2 {& q* q: r7 f% l &uiErr);
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4 t! V- r$ O5 p. F6 r$ ^/ E n SysFreeString(topicStr);
/ J: _+ a" v& f* `: O8 {5 G SysFreeString(itemStr);
1 v; N0 {( }, Y9 w) z/ h2 S, T0 i6 B 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???
0 ~ }. y3 e$ S. v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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7 w& I5 Q/ w. S* P2.这是request的程序! r& E' L7 H6 C5 V6 [2 `" b$ O
// Request a value from Extend) D) M* @1 R: u+ h) {4 K
//
/ t' v6 }" y2 ]$ } Q+ W5 i// Initialize the variant that will hold the BSTR. Set the variant's
5 j- m, I+ d2 F// type flag to indicate the fact that this variant holds a BSTR. Place the2 E5 Z) h9 J1 k' ]& J6 ~
// BSTR into the variant structure.8 o4 S! R1 |) [; ] h' m& t
" O: C0 b8 E7 g) F0 x$ Q/ N requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ F- A" s+ Z% M: d& h) I6 k
: Z8 }. L6 c1 O7 f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. J: [) l% d5 a o$ l VariantInit(&requestVariant[0]);
% @/ ^: K- L# Y. M requestVariant[0].vt = VT_BSTR;8 j8 F( X4 S7 I- t! I! W3 T2 V7 D6 P
requestVariant[0].bstrVal = itemStr;2 J& \ M7 u+ k' _4 A( i5 ]. D2 u
9 C! P$ s( i+ `+ `1 L4 x& X* b& z topicStr = SysAllocString((WCHAR *) L"system");
; j/ U9 i1 W; A VariantInit(&requestVariant[1]); . O; w/ D Z; ?- n S2 f" D
requestVariant[1].vt = VT_BSTR;0 W3 M* V1 s/ ~+ T. F& v
requestVariant[1].bstrVal = topicStr;+ b- R* j- W4 N& c+ d# |8 X; l" i
, a2 W9 j! R% ?5 m [9 d// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;7 q2 K- A: {9 J: z8 C& j! R( W2 `
dp2.cArgs = 2;4 Z4 f$ y& X7 N$ R5 U9 E
dp2.rgdispidNamedArgs = NULL;& P! w# a( b. o$ d r$ [+ X* b
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()- o7 o+ [8 V& s' M' l& H$ d7 B
3 E2 B* M9 @% c5 p- `" I hr = m_pDisp->Invoke(
3 c; i3 y4 h4 P9 G% t/ F+ d requestID, \# e; K0 S: C; n6 Z
IID_NULL,! c. U1 b6 @8 ]3 `
LOCALE_SYSTEM_DEFAULT,& l( k: V. P+ v0 p+ c4 ?" \
DISPATCH_METHOD,
* q! y# n' ~8 X" H &dp2,
/ ~ R6 S5 w% g* u" Y% y4 U &var,! L* L5 U+ T$ G. _* Q' }8 }/ N9 \
&ei,
! X% Y' _/ c* I+ B; Q# P &uiErr);
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- l! ?' n* r8 i9 E. [ O. y1 t/ g SysFreeString(topicStr);: f v, W7 R/ _( I( ]1 b
SysFreeString(itemStr);* M9 r; d8 C- q, O& g7 s
请问该程序是获得extend里面的哪个值?
+ @( r2 o) ^( P% O8 M6 w% Z$ V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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