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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:
0 ^2 S, W& Z6 J! J! Q' pName = (WCHAR *) L"Poke";6 e1 f7 E6 [4 C9 I1 C, j
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hr = m_pDisp->GetIDsOfNames (
A$ c. I! Y9 \6 P r IID_NULL, // reserved
+ j q7 C/ Z; U7 q% J. b: e, [" D &Name, // Array of names to get IDs for+ _7 k& J* k4 h* s
1, // # of names in the array! d- O7 B! X% L
LOCALE_SYSTEM_DEFAULT, // System locale9 c" m6 Q- D) F/ ~% }- i
&pokeID); // Array of IDs to fill on output
, D9 P, D' Q* i6 o1 [- t
- U- P- m5 N. z; e ^' i7 { if (hr)# m2 n: k# k2 z( I
{ `, O( W1 O$ u: Q
MessageBox ("Get Poke Unsuccessful");
8 G# B* u3 ^2 c w) K+ S$ Y" } return;6 a$ P5 E6 e& D! j( @% E; ^: U
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# T5 F& S) [9 T7 A& z* c# G
/**************************传递数据给extend**************************************/, @$ _3 a2 q( f0 _ o6 i) ^: d2 O
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) p: n! ~( t8 T/ E
, s) v4 R' D* W
valueStr = SysAllocString((WCHAR *) L"1232");, |" P& h& m9 l9 U8 J. \
VariantInit(&pokeVariant[0]); : g5 I7 H* a" B# X+ h+ {
pokeVariant[0].vt = VT_BSTR;
% N. M/ n. c# E$ n pokeVariant[0].bstrVal = valueStr;& a" m% I( q6 N" Z X
* Y& C$ _. e- n! L x* X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 q; r7 F2 X, r
VariantInit(&pokeVariant[1]);
- }) m! M+ G0 q1 T7 I pokeVariant[1].vt = VT_BSTR;* L3 {5 f9 e5 v) T0 M
pokeVariant[1].bstrVal = itemStr;+ m0 G8 T5 T; t9 j( S1 a
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topicStr = SysAllocString((WCHAR *) L"system");
n. c) s- h P7 U: p0 {+ m VariantInit(&pokeVariant[2]);
, T/ N/ ^2 j$ O q pokeVariant[2].vt = VT_BSTR;
7 N4 Y8 @4 ~9 S0 G B! a- B4 N pokeVariant[2].bstrVal = topicStr;
5 N& m! f2 j& ?; P a& R; r
. f$ |# {# S( Y3 s/ Q! H) b: y// Set the DISPPARAMS structure that holds the variant.( O& v2 }; t! j' L% E$ H
+ k& k9 {+ ?" f" Z0 H dp.rgvarg = pokeVariant;, v J" E/ Y1 P* _; `0 ?
dp.cArgs = 3;
, W$ R# |, A) c" z1 r dp.rgdispidNamedArgs = NULL;- A2 d% d0 n% E
dp.cNamedArgs = 0;. P: I1 \: s* c9 S
4 s1 K7 }* I( p J4 m" k" F// Call IDispatch::Invoke()
/ ~3 C) G6 }' Q
% e' k/ _ b( ^! ]. u& n hr = m_pDisp->Invoke(1 R+ B& y9 H0 e o" r# o
pokeID,
9 ~* r( }! L, w8 `+ A( i IID_NULL,
) g, L' D2 C8 O! X, d# M LOCALE_SYSTEM_DEFAULT,
5 J& ^ g1 P; b e4 [! A DISPATCH_METHOD,3 n* _; i! E% W y9 K
&dp,6 ~( N' |8 O5 T' T5 ~' f; i
NULL,, i0 Q# t; H0 U, Z8 W
&ei,& V2 i3 o4 ]- k. f" m2 q
&uiErr);
6 h* Z- s& O# J5 S: }- E, a; f+ t: s0 M ^ l% i) u6 b
SysFreeString(topicStr);" h/ o7 Q9 ]$ _- L
SysFreeString(itemStr); [ r: Y) I% M
SysFreeString(valueStr);
2 ^9 ^# F8 o- K" Q4 X; E, u$ \$ m1 _% y' S8 h8 B* V5 k: b& F" _, L; M/ w
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???
/ ~, [& A6 F0 m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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# m0 }9 k# I5 N! k/ X! d
! W: m* r3 P/ o. J4 T2.这是request的程序2 g# V0 K& w& a- t! W4 F
// Request a value from Extend
- q6 E% _$ V+ g! E//& {0 k! @- b; z
// Initialize the variant that will hold the BSTR. Set the variant's3 r0 O- h3 b: u! c
// type flag to indicate the fact that this variant holds a BSTR. Place the
3 N. [+ k0 C; Q% @4 q// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);6 L- C; U1 R# E3 M( h% n3 G
& E# [1 U& i v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
k, E( h9 q! C. C' z VariantInit(&requestVariant[0]); 1 ]7 D; F3 s* s$ B; U
requestVariant[0].vt = VT_BSTR;' W. g8 w+ T' I5 b+ ^
requestVariant[0].bstrVal = itemStr;; |/ u+ A6 e5 Z" K! M8 R
; g# n0 s7 L$ @8 t! f h# V: V topicStr = SysAllocString((WCHAR *) L"system");7 N9 u# z/ L) S; b% S6 Y0 d+ W
VariantInit(&requestVariant[1]); , n/ h% E- R. ?& `" g8 T
requestVariant[1].vt = VT_BSTR;
9 w& \7 m$ K* ^ requestVariant[1].bstrVal = topicStr;6 x+ x0 q/ a1 v/ ^3 I
. S" _( }3 W& X& A( {$ j' C
// Set the DISPPARAMS structure that holds the variant.
& f- C: V$ v( w( y& I# H/ _. K2 \
dp2.rgvarg = requestVariant;9 i1 u2 Z. b R# c3 K. g9 N4 l
dp2.cArgs = 2;
; X( B) ^ w- M4 G dp2.rgdispidNamedArgs = NULL;3 u, ?* Z3 `" W6 v( {
dp2.cNamedArgs = 0;/ S; t7 `* N9 G* c6 i4 q( \# m% @6 t
7 w( j& f ]& H, o* N6 v$ a6 J, J var.vt = VT_EMPTY;
8 X6 r1 E" ]0 m8 V
" \1 [" I% k7 ~6 G' R5 {7 w// Call IDispatch::Invoke(), x( |4 ^8 g( N% z
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hr = m_pDisp->Invoke(
* ~0 ]. y7 V5 Y0 m7 t requestID,
7 ^6 u+ S8 v' g* Y* j8 n IID_NULL,
q$ t7 f/ ~( @% l* \* V: y LOCALE_SYSTEM_DEFAULT,+ P# d+ e2 B! M( H
DISPATCH_METHOD,' t% \! |8 y, C$ }! J
&dp2,' ^5 k! n! M% H9 y) K
&var,
8 ]4 N7 Y. G* |9 t4 i% }; q &ei,
- E$ k. U _! y. o' D- T! r& M &uiErr);3 u3 N3 b$ E8 S3 U
. n0 f+ V0 k* x6 h# ~& U
SysFreeString(topicStr);
9 i: _* h; i5 s SysFreeString(itemStr);
% D- _6 @ u( N% a1 _请问该程序是获得extend里面的哪个值?! |$ t8 k% h0 C4 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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