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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:! e; g- f$ B/ c" b9 G2 {
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
# l" b- @3 K5 x# C! J IID_NULL, // reserved
+ }1 i/ Q+ k2 P; F) ?! t &Name, // Array of names to get IDs for Z }) [5 M% x7 B, X
1, // # of names in the array
8 p" g4 M$ e# {3 |$ `2 d LOCALE_SYSTEM_DEFAULT, // System locale/ z6 Y% l- F5 V9 l2 j* _& W
&pokeID); // Array of IDs to fill on output; s0 J. f" c! d0 P$ J
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if (hr) z+ L3 I( U( q8 u
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MessageBox ("Get Poke Unsuccessful");5 K$ o4 z$ t V* N8 z1 O
return;% }, j0 j& J$ b) j- `6 b1 v9 s
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k8 p' r1 f8 _2 E/**************************传递数据给extend**************************************/% W* O6 Y8 s) b7 S( N ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# ^! B1 D6 i1 C$ k. @; Q4 p; U
9 p( \/ E y) A/ Q4 H+ P$ W valueStr = SysAllocString((WCHAR *) L"1232");& z. g) v: m# q. F( e
VariantInit(&pokeVariant[0]); 9 b* V+ z! p$ b3 i0 A; ~/ g$ K
pokeVariant[0].vt = VT_BSTR;
0 N4 N1 w' Z' z# n* o0 v pokeVariant[0].bstrVal = valueStr; g0 h$ {' O. l( q h
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ ~& f8 B& G5 R, k7 ? VariantInit(&pokeVariant[1]);
1 b2 b$ Y1 @0 L/ Y2 m3 U pokeVariant[1].vt = VT_BSTR;
! x4 c5 S! K g* }+ D8 i pokeVariant[1].bstrVal = itemStr;0 y( s* k) u' E
3 R* t1 z2 m N8 K topicStr = SysAllocString((WCHAR *) L"system");
! e/ `7 Q0 @9 U- L VariantInit(&pokeVariant[2]); + C1 q$ O. ]8 o
pokeVariant[2].vt = VT_BSTR;
3 q, |, q) ~. m& ]+ B2 e# ^- a pokeVariant[2].bstrVal = topicStr;* }0 {8 _: u) r0 c+ w1 }8 p9 a
) Y! s6 q j/ l. }/ }// Set the DISPPARAMS structure that holds the variant.
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6 s0 O7 v4 d, a0 o dp.rgvarg = pokeVariant;
6 o! T2 M. S8 j6 a" t dp.cArgs = 3;
4 E! m# B. `7 E A dp.rgdispidNamedArgs = NULL;) L/ v' p8 N% b( B- c* k
dp.cNamedArgs = 0;" M7 J" k6 l# j W- B' Y8 j
+ \& j) G6 D$ b// Call IDispatch::Invoke()3 ]* Z- Y: ?) v6 v9 k2 ^' \; M; y
; x. {* i- h- L2 h hr = m_pDisp->Invoke(" x3 i. B* k7 ?- Z
pokeID,
6 g: B% ?& O: _5 Y+ d IID_NULL," x% r+ m! J& q$ ]( a
LOCALE_SYSTEM_DEFAULT,
% f7 m5 Z1 }9 N y DISPATCH_METHOD,
% [6 X( u* F8 W" ]. ]' ? &dp,$ W: n2 m& v3 o: @' e7 @& f) j
NULL,- @8 t( Y2 n/ j2 G+ ?) Y7 `3 m3 J) A" U
&ei,
5 _7 Q5 B/ ~( l+ A! E &uiErr);
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% `# {9 n4 T# K0 q- L' A SysFreeString(topicStr);
g9 x3 h T' [' D5 n% W: Q, G* M( l SysFreeString(itemStr);% i1 W4 }# ] g$ H1 M
SysFreeString(valueStr);4 J( [9 d s& \. ]
" b( x- \0 z; r& |: Q
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???' ]! y' r/ ^/ V8 `* ~. x
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 {9 y o) X) |2.这是request的程序6 S4 y0 s5 g. A6 |9 l% `& A! n
// Request a value from Extend0 Y% G }3 w! D" S1 C
//# Z% L3 d3 h6 U6 n6 b5 Z
// Initialize the variant that will hold the BSTR. Set the variant's% Q) ]4 o8 @( g. h7 K- ~
// type flag to indicate the fact that this variant holds a BSTR. Place the. c/ w( e, \- D
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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, _3 n+ r3 x2 t8 ?& D) T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 {5 H# P( m/ X& \1 O: v VariantInit(&requestVariant[0]);
: y! P0 L: B: _ requestVariant[0].vt = VT_BSTR;5 q n# m& X. G/ N* B, ~4 j
requestVariant[0].bstrVal = itemStr;( U6 U! G0 A6 O/ f
/ I( |$ M& p8 f+ ^7 S" u topicStr = SysAllocString((WCHAR *) L"system");
$ b- S# m1 u) U: [ VariantInit(&requestVariant[1]); : M0 |: D% D5 g
requestVariant[1].vt = VT_BSTR;
/ U* I' t* }2 s5 I s5 X, D requestVariant[1].bstrVal = topicStr;( D2 `" q2 }+ P( D! J
; n0 G- w6 e& e, R2 [/ c+ G// Set the DISPPARAMS structure that holds the variant.
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; r s" P* K' Y1 A dp2.rgvarg = requestVariant;
3 h/ S. r/ x) R | dp2.cArgs = 2;7 G4 V) d2 |% ]" ^" a
dp2.rgdispidNamedArgs = NULL;* l( }' q4 M' z
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY; C. T- s4 y- m9 Z$ n; ^3 }. z
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// Call IDispatch::Invoke()9 W9 ~- K/ I% M" S6 g3 X( Q
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hr = m_pDisp->Invoke(6 e' X3 |; h$ @! P" |
requestID,
5 S- X0 z! _2 u' r* i7 d, q IID_NULL,. X8 Z) c7 ?/ G2 m, O! N, n+ `" S7 U
LOCALE_SYSTEM_DEFAULT,( A4 m) J) x& r* {! c$ n6 S1 O
DISPATCH_METHOD,
9 I! J. Z; [3 @ &dp2,
4 h% ~2 x$ G. Q8 ~ &var,+ Q6 ?$ u# e9 X) N& o# J. W4 p
&ei,
0 Z% [' }1 y/ T6 I( i4 m &uiErr);
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SysFreeString(topicStr);# L* | A. o" w) |
SysFreeString(itemStr);
G4 _- `2 r% r' c请问该程序是获得extend里面的哪个值?
4 S1 r! H, \. ^1 {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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