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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:" O' n( j- d' ^9 K7 [$ _3 j
Name = (WCHAR *) L"Poke";( j$ B. @" Q y0 ]& c, M0 a: A
0 H! D O7 p" ~ hr = m_pDisp->GetIDsOfNames (( ]. _" c% |6 z: R
IID_NULL, // reserved
6 u( S/ I* d" Y6 |% |& h3 e6 a &Name, // Array of names to get IDs for3 d' ?. H ~" b- ]2 p$ ]4 J
1, // # of names in the array5 V! S$ B/ l# [
LOCALE_SYSTEM_DEFAULT, // System locale
! w+ }( @- x1 h# s/ }4 i3 o &pokeID); // Array of IDs to fill on output* R+ B4 H4 A5 [0 m
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if (hr)
" T( j2 W8 b1 |+ U {
! ?, P! V. U; b d2 D5 c MessageBox ("Get Poke Unsuccessful");( C3 H+ U% l1 z4 t: A
return;
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! ]) Z1 Z# a- D2 g2 N# q, p/**************************传递数据给extend**************************************/
! N1 |" @2 N: d8 f& o# D pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
# J. \" U# q2 m9 F5 ?5 f6 Q) i VariantInit(&pokeVariant[0]);
8 k O6 v& L' T/ D/ _$ U0 \/ ^ pokeVariant[0].vt = VT_BSTR;& g9 ?$ [3 I8 \" C
pokeVariant[0].bstrVal = valueStr;
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w K, _- b3 z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 C9 S! b5 D- w, M
VariantInit(&pokeVariant[1]); 3 c* Y' f. M; y
pokeVariant[1].vt = VT_BSTR;
" P0 ^& [) V0 a9 { pokeVariant[1].bstrVal = itemStr;
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4 C# T# @$ W$ n' A topicStr = SysAllocString((WCHAR *) L"system");
0 V# q q: m i4 E( g9 r VariantInit(&pokeVariant[2]); ( s: ^+ T @% Y! a$ @: M/ x
pokeVariant[2].vt = VT_BSTR;' G# G2 _" g1 J; o" q! E6 a
pokeVariant[2].bstrVal = topicStr;
: ~& E2 x( s: v1 L/ X1 e& q" ?
2 ~2 g# U9 m; n: Q4 D0 ?// Set the DISPPARAMS structure that holds the variant.8 H5 I* j) c; w2 P
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dp.rgvarg = pokeVariant;6 z5 r6 X9 h/ G. y8 | F+ e# \
dp.cArgs = 3;$ m3 |- }/ y% [" t" v1 y5 K' h3 e- B: M
dp.rgdispidNamedArgs = NULL;+ J% B: Y& M, N9 ^! Q
dp.cNamedArgs = 0;) r# X' h" R# G. H" |
# ], V. o/ b$ U5 ` d2 b# T
// Call IDispatch::Invoke()
! R/ i0 m! F( s( Z3 K* i
! O% ~2 ?0 h: Y8 c. s: C hr = m_pDisp->Invoke(/ ] i3 x1 h& |5 _- T
pokeID,
. l; e5 ?& u& }' J' G9 j9 G# C IID_NULL,4 I1 n9 F, f4 ~2 O
LOCALE_SYSTEM_DEFAULT,
% J+ P, j7 G) d8 J0 | DISPATCH_METHOD,
1 {* T, t8 Z: }6 T &dp,* g$ G5 ]- C, J6 r8 c u3 f. z
NULL," g2 D1 b7 w' W3 l8 B3 p
&ei,4 J3 G' w( y1 z4 a! }' R1 A5 d
&uiErr);8 a% j3 ]' k) {' x _/ f0 D
i5 A' H, _+ V1 R2 H
SysFreeString(topicStr);2 E6 e% Z: z2 M! U) J/ {1 O
SysFreeString(itemStr);# } v: Y+ L0 b0 g: Z) N( o5 f
SysFreeString(valueStr);
X9 [7 j4 S q: B7 R
1 K2 X' I5 {0 ?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???/ d; b; s) U+ }: G6 s* U4 k' H
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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2.这是request的程序
# Z- i: [& j$ M0 x& V// Request a value from Extend
8 ^& g, p5 e( }//
' T1 Z4 u: v0 a) I/ [; T8 ]& L& C5 }4 V; t// Initialize the variant that will hold the BSTR. Set the variant's2 ~) _" m& S( M$ s0 J0 s* m
// type flag to indicate the fact that this variant holds a BSTR. Place the
; x3 a3 v* x. d3 p// BSTR into the variant structure.
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( Y1 x& x8 L' A! O+ C! M+ p0 H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 S# F7 I3 R8 {4 {
% c, r+ z; _( w0 {3 e; \' ~) Y& j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% |9 A3 H) X" J( h8 C
VariantInit(&requestVariant[0]);
z" g/ u0 S/ l( S' {/ o/ P7 T2 w6 b requestVariant[0].vt = VT_BSTR;
- e. A- o B! l) y5 f& q1 m. \ requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- B2 S" |9 Z; ~" H& C, v" M: ^ VariantInit(&requestVariant[1]);
3 A P' D$ E# h' P requestVariant[1].vt = VT_BSTR;
8 X+ u$ M G9 E& a. `% m requestVariant[1].bstrVal = topicStr;0 n" H8 e+ R1 s& s4 B& F' A( p
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
+ H; m1 g- N/ r1 ^6 J- M dp2.cArgs = 2;
+ c6 b9 N _2 I dp2.rgdispidNamedArgs = NULL;2 [2 B# V4 M9 P( X7 j: D2 @3 Y
dp2.cNamedArgs = 0;* ^: Q' _5 Q" y- s, X, M% V
# f9 f+ P9 F% }; O3 A+ k
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(5 i: Z( h; h; K
requestID,
9 D- Z7 K9 ]" K y IID_NULL,
& a; f1 k: a3 k6 P* K LOCALE_SYSTEM_DEFAULT,
, u7 a8 }% l* w/ s DISPATCH_METHOD,. \! J( X, d; _7 P% `0 P. R
&dp2,
% F) a! ^6 P: E6 s4 f# t &var,
^- _. O' J# C6 a &ei,, q5 R+ V, l7 g a f, A
&uiErr);" w1 t( I+ j' [+ L1 n& B& l
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SysFreeString(topicStr);
8 q$ r4 }' F0 ^1 o' O4 b# d9 n SysFreeString(itemStr);
7 O; g' W. M, i请问该程序是获得extend里面的哪个值?: }5 _/ z( Q2 T4 l+ B7 F L1 \
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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