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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:
2 E$ k( k+ j! ]' m/ [' OName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
$ Z1 i0 ?+ V: v, ]& [5 e: A+ D% P IID_NULL, // reserved! y K0 y+ {$ `7 ]" f# ^0 H @
&Name, // Array of names to get IDs for4 U% u6 l6 O2 `- [2 ]: f
1, // # of names in the array% N+ c" \6 g5 X9 }, R
LOCALE_SYSTEM_DEFAULT, // System locale
4 A" I4 q2 }4 q5 l: D8 s; N% j &pokeID); // Array of IDs to fill on output) K+ g9 Q+ a. ]4 t' p8 Z1 _% H; r
! Z3 H3 o) u* I1 x8 e# A" b% B
if (hr)& I5 P+ J) c9 }( L( T/ @
{
- j0 b# m) T; u7 K& }9 L4 ? MessageBox ("Get Poke Unsuccessful");
0 \, X1 \- h2 ~3 {" F9 ]8 P, A0 @ return;
( h2 F7 j4 g8 a7 q% ~) {6 Q }/ D& E; Y! ^+ k1 r) s! Y( v" |& f: E
( q6 p4 W9 E- n" y* V+ f/**************************传递数据给extend**************************************/
. W7 ]8 Z, l$ R pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
7 H% ^. M# C; [0 s
- }" c- V9 A! O! f, v6 ~ valueStr = SysAllocString((WCHAR *) L"1232");/ T* f. P4 U- \& o3 b4 {
VariantInit(&pokeVariant[0]);
; ~( Q8 |( O6 C pokeVariant[0].vt = VT_BSTR;, N( V7 o8 `' i( R; n* D% r6 C
pokeVariant[0].bstrVal = valueStr;( }2 q! [. I; e3 s# a
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! v+ t1 [! F6 Y( k5 E- \7 b
VariantInit(&pokeVariant[1]);
. j# a1 p* a3 z4 V/ U pokeVariant[1].vt = VT_BSTR;
! k0 i) j& D* F0 w3 R- H5 u pokeVariant[1].bstrVal = itemStr;
% M/ c ^( @, P: a( R6 W8 ]/ u
% z' l. i; ?& F7 V topicStr = SysAllocString((WCHAR *) L"system");. I+ Y% a, d/ z8 O2 @* r. o( ?
VariantInit(&pokeVariant[2]); 1 E0 O7 i. t, E, { e. S
pokeVariant[2].vt = VT_BSTR;% m4 I4 W9 j' X) g) u
pokeVariant[2].bstrVal = topicStr;$ N2 K2 R4 n+ S( j' c" \9 p
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// Set the DISPPARAMS structure that holds the variant.
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; R1 U, z `* @ dp.rgvarg = pokeVariant;
! f, Z" _$ w, j2 E7 {( s6 B' d dp.cArgs = 3;
7 ]9 k/ E9 s" m/ Q- P& G5 `+ O" }6 W dp.rgdispidNamedArgs = NULL;
0 J* i- z/ z1 y- t dp.cNamedArgs = 0;% }2 ~/ _. w( _2 P; n" j
2 c2 A3 R2 E1 e1 R+ e+ t
// Call IDispatch::Invoke()' v' [, c5 |0 I! c
' S3 t8 x+ R. {/ w+ z- n; o' m hr = m_pDisp->Invoke(! i" r6 v' Z& Q
pokeID,
( J$ E) R6 k) `& H6 a IID_NULL,
* u) _; l" N/ M6 P+ ? LOCALE_SYSTEM_DEFAULT," l; y: Y" ^& B8 | V5 R
DISPATCH_METHOD,. f* A, t \# V2 i2 ]' U
&dp,
: [2 r* t& | z5 g- w# L( f NULL,* b6 @0 z9 O# u
&ei,9 H) v/ j6 r0 u9 n
&uiErr);8 u* {* E0 Q# z
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SysFreeString(topicStr);/ U5 x* ^' S+ r
SysFreeString(itemStr);, ~9 ] S$ A1 m. t/ G: t4 Z$ t
SysFreeString(valueStr);
% I/ H* m a. O, S! Q: V- o) C H( V4 q- O' e
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???
2 u' k7 _% @( |0 k# ^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????# M/ s1 i* ^( t# E- I" A
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2.这是request的程序3 a1 d$ R5 A9 M% m3 _, _
// Request a value from Extend9 o& B$ N( B' ~3 E. C( ~$ `% B
//9 Y$ Z) S- V& m0 L2 e
// Initialize the variant that will hold the BSTR. Set the variant's& v H% U7 ]4 `/ `( W r' \
// type flag to indicate the fact that this variant holds a BSTR. Place the. }( X8 Z3 b; I$ M5 k5 q& K6 I; v
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 h, Z- [" ^: q H7 @; B! T- r
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 s# l6 H. n$ h
VariantInit(&requestVariant[0]); : O# i$ x& }0 @
requestVariant[0].vt = VT_BSTR;0 C" G9 e% n+ |1 ]( H4 C& _
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
3 P- f. G$ ?. [, Q1 u0 d9 t7 q# Q VariantInit(&requestVariant[1]);
$ x7 K+ ?0 K3 x% y& s requestVariant[1].vt = VT_BSTR;
3 D/ Z0 y* V3 L& G- q- F" B requestVariant[1].bstrVal = topicStr;* @# `8 \5 a: p7 b2 T* E* T3 M
: ?' s9 c; ~! @8 l* [; e* [7 j// Set the DISPPARAMS structure that holds the variant.& u* C/ v( c. V
/ [: I8 ]( h& I( o+ Q% y; w, @ dp2.rgvarg = requestVariant;
M) {( y/ j5 s dp2.cArgs = 2;0 ]" E+ y; v! k9 u( y& x( _' |" }
dp2.rgdispidNamedArgs = NULL;
7 j i8 J9 _, n) I. I dp2.cNamedArgs = 0;" {- I4 c) w+ R& \. A
# P! ?4 \* d3 k7 {7 O var.vt = VT_EMPTY;9 x. o: a$ }, l" d' M& K
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// Call IDispatch::Invoke()6 V- o4 m, F5 J3 \
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hr = m_pDisp->Invoke(8 t( c4 e* {8 R$ _" B& M
requestID,3 T' a+ j$ x$ Y
IID_NULL,
8 h! @+ h* B! }0 P8 I# o# ? LOCALE_SYSTEM_DEFAULT,
: Y+ A. Z+ C/ {$ k DISPATCH_METHOD,
0 R' k2 C0 E( f! L: o &dp2,
1 h/ k4 r# i( S( j8 P% H &var,
- {3 r( V1 n, U& u5 ?9 ~; _. h4 C &ei,& Q% J+ }# E; x4 s
&uiErr);
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SysFreeString(topicStr);
- B* n% b" E" M& a& a" h! p SysFreeString(itemStr);
" B& N6 n4 M8 e, U请问该程序是获得extend里面的哪个值?
" X7 e, ~3 j! \$ b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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