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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:
w3 V7 o/ {3 t3 d( j$ g- ]Name = (WCHAR *) L"Poke";, V8 M" p$ t4 Q( y; ]
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hr = m_pDisp->GetIDsOfNames (
) C# K* @1 q0 J' E I IID_NULL, // reserved% W; k& {; K& T+ B
&Name, // Array of names to get IDs for
( }/ L% A- Q: P: t- i5 o; k. N 1, // # of names in the array- }* j( L0 R1 R
LOCALE_SYSTEM_DEFAULT, // System locale
2 t/ q( g6 y5 m) q; W &pokeID); // Array of IDs to fill on output
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8 F7 F7 |. [/ `9 X; Y if (hr)
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% Y9 I7 ?; H+ C9 |- T% x MessageBox ("Get Poke Unsuccessful");) x$ J e+ s! f0 ^. u; e
return;* w& O, b# [" M! K
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/**************************传递数据给extend**************************************/
" p) v+ O8 n: V. v1 x9 r+ f pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
: Z5 ]" ^7 G3 w" R( u
+ h Z; p. J/ q& T" N/ D valueStr = SysAllocString((WCHAR *) L"1232");
3 y7 e9 w$ V& J r6 N+ g VariantInit(&pokeVariant[0]);
. S+ X4 _$ w' D% u) {) K pokeVariant[0].vt = VT_BSTR;$ J- f2 O8 X* L6 x0 [
pokeVariant[0].bstrVal = valueStr;! E8 X/ u+ I4 N. M& N
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) r1 O# R8 B+ ^6 O3 i
VariantInit(&pokeVariant[1]); / [: x, ~/ y5 O. G0 E: i3 [ T
pokeVariant[1].vt = VT_BSTR;
k. P- Q% ^! L6 y \2 b! x6 S4 k- g& ^ pokeVariant[1].bstrVal = itemStr;
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* `: ]6 i% o. [- W9 f+ k" C topicStr = SysAllocString((WCHAR *) L"system");) K7 c) k0 X* X, R d1 R. j
VariantInit(&pokeVariant[2]);
, c* W0 Z; b( t2 E! }/ x pokeVariant[2].vt = VT_BSTR;
% _& H2 D0 b8 m pokeVariant[2].bstrVal = topicStr;- ]8 d- G( ~+ \ g/ z, _5 d
7 `: n! x- N" l+ O4 ~// Set the DISPPARAMS structure that holds the variant.7 r+ N# ?" F8 s3 P# r, t+ x
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dp.rgvarg = pokeVariant;, w, o3 R2 ?" L0 A4 h! q6 S7 h
dp.cArgs = 3;" m1 s8 C" w$ \% L2 x7 q/ D; E
dp.rgdispidNamedArgs = NULL;
" d- I' [ k) A+ n dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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1 ]* q) Q0 S! z9 {' M) G ^7 l hr = m_pDisp->Invoke(. Q; }/ ], S% [/ Y' e
pokeID,
$ X9 I& q( D3 \4 k, g/ U% E* C1 g IID_NULL,; T; O; h6 y# t, `) r3 Y
LOCALE_SYSTEM_DEFAULT,
- W. ~' X- O) H1 ~- T( E DISPATCH_METHOD,4 x9 Z+ S& R9 [+ ~% v2 q4 o _
&dp,3 M4 {/ M% U: o2 }
NULL,
. q& T: r2 J6 O! `: L &ei,
' w: d. b1 b% F* U! w: | &uiErr);
& I- b( n' s7 i, a) }0 Q. o( |4 A& L
$ L7 G# A# L4 N5 S7 @+ B/ f SysFreeString(topicStr);
`* y" G# A' P0 X/ a SysFreeString(itemStr);" W* d& z! F2 w: Y+ b
SysFreeString(valueStr);& R( f; k" @0 U5 S( I: I
7 Y0 y4 X4 E* e8 a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 T5 h" S/ L. }# D7 }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????5 j. ^$ Z% R/ g7 N7 y0 g
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2.这是request的程序
9 i( f% j( ^9 v' Y5 i5 B// Request a value from Extend
! K) @% k. l& [" g" {//: O1 p& d, P/ a& g3 i
// Initialize the variant that will hold the BSTR. Set the variant's9 G: o' Z& O V o% c+ K
// type flag to indicate the fact that this variant holds a BSTR. Place the8 g& |9 ?2 _. b. ~. M% U1 C" U
// BSTR into the variant structure.
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' ^! T; A" n5 y% L4 O requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# ?( x: A3 X6 E# z8 c6 a4 _ VariantInit(&requestVariant[0]); & U6 D3 |6 r; ~" I* o
requestVariant[0].vt = VT_BSTR;
/ ~0 L' j: ?. G8 R3 ^: s/ U% o) ~ requestVariant[0].bstrVal = itemStr;
% i7 T1 w6 i6 R p
) b+ [1 v) h% Y7 O: Z, c5 T5 o topicStr = SysAllocString((WCHAR *) L"system");
0 v4 w" X4 r$ i1 g& ^ VariantInit(&requestVariant[1]);
~6 }$ S8 K; o k4 v0 }8 l requestVariant[1].vt = VT_BSTR;
( T* _: l/ j7 n+ [. u4 {! H requestVariant[1].bstrVal = topicStr;
: R. C0 [7 Q2 H3 m
+ W9 k# u8 Q0 P# E' M+ f: q// Set the DISPPARAMS structure that holds the variant.
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! L9 ?& m b ] K$ | dp2.rgvarg = requestVariant;5 W' a' J9 a. M# G" @ }5 w
dp2.cArgs = 2;
/ a( u7 i5 I1 z" X) i1 Q dp2.rgdispidNamedArgs = NULL;6 x0 ~' o$ l" x& y
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;& h* o7 R) w: D# ]5 ?1 E( ~
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
& y2 S) _" l' O. r requestID,+ r- G3 x, n5 M! B4 T% F. u5 J
IID_NULL,# D5 O, N" T" b# a5 ~* l
LOCALE_SYSTEM_DEFAULT,1 t: |+ Y+ j; O$ [) Y6 p
DISPATCH_METHOD,
) Z3 z; V& H2 O, d% T &dp2,' H% \: ^3 N0 F" J5 e" x- _
&var,8 M1 ?; U4 z2 e, }
&ei,6 D& V5 V* G7 \2 ^$ R9 T+ L7 g
&uiErr);% x# a) i! B. m. K p5 o% J
- S. o6 I, ?: s, X! i) T4 z; ] SysFreeString(topicStr);( w$ _( f4 z1 r" M7 o% r
SysFreeString(itemStr);
R! {" i4 y% a+ c N9 z请问该程序是获得extend里面的哪个值?) d3 d2 q* v% A9 p; a5 \
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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