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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:" c& I+ n: a# N" ] n
Name = (WCHAR *) L"Poke";
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c1 {. Q# J- e$ c$ n1 c# M$ ~! n$ v hr = m_pDisp->GetIDsOfNames (
5 _* R1 W; w* i/ T' _ IID_NULL, // reserved# h; m/ b, U' ?$ S" u
&Name, // Array of names to get IDs for
4 }+ V: n' l8 H# w3 S% y 1, // # of names in the array
9 s5 U g; I: a ?1 i% n+ y LOCALE_SYSTEM_DEFAULT, // System locale
$ u/ L" S8 m, m+ n2 [) n &pokeID); // Array of IDs to fill on output
( a" C) G7 J1 u. \" C# Y8 V4 S% S & |6 I) P5 e9 }7 R4 a0 y" W
if (hr)( Z) k8 o+ b g* ^& B% O/ w7 |
{! z; X: @1 d3 c9 w4 H1 \
MessageBox ("Get Poke Unsuccessful");
! T4 t8 N9 s4 Z1 Q4 T" S" v return;
; M& K8 N" W% s# S" f8 ? }6 {# u% I0 Z T @+ Z
' P" K+ x5 _ m6 `# J& C/**************************传递数据给extend**************************************/ ?% j- c: j" t- i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 h& Z% _( B! v7 l$ Q* g+ o# S
Q0 n) ~8 F( S1 \$ a valueStr = SysAllocString((WCHAR *) L"1232");; g1 r3 v: F# {" a& W7 R
VariantInit(&pokeVariant[0]); 0 @* N# i0 R: v$ t h8 P
pokeVariant[0].vt = VT_BSTR;
+ G7 i/ x3 j) B% k pokeVariant[0].bstrVal = valueStr;
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# C# _+ e; ~, h6 d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ I) K$ l, I% }7 m6 [! z
VariantInit(&pokeVariant[1]);
+ e( g% q z. N* Z9 t: Q pokeVariant[1].vt = VT_BSTR;0 x7 h# x; n" {: x# Z
pokeVariant[1].bstrVal = itemStr;
v2 q: @" s& f: i ?# [. h1 D! p4 [7 s l7 @+ \; x
topicStr = SysAllocString((WCHAR *) L"system");
; t7 R) h) F) `; L, T+ F VariantInit(&pokeVariant[2]);
, V; }7 _+ o" V% B% O+ P B/ u% c pokeVariant[2].vt = VT_BSTR;
! K4 Y! P0 @: m* S' f2 i pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant." S8 d/ R$ U/ a( X& d$ Y
( u$ E8 w3 T& u9 F dp.rgvarg = pokeVariant;
* i6 o6 k" \" j4 z dp.cArgs = 3;
! W4 w& _0 m! c, X$ z+ o dp.rgdispidNamedArgs = NULL;
4 S: L' E# P9 P dp.cNamedArgs = 0;' [, C4 i3 V" i
0 h/ h9 \: d+ t// Call IDispatch::Invoke()% o( I$ y+ ~; G+ U: E1 w
4 U. `. V# \# M- A. B* m hr = m_pDisp->Invoke(; m1 H% F; h# Z+ x8 t
pokeID,& I! q. }3 t$ V# L6 @% F o% ?$ _
IID_NULL,
+ c6 G' a+ h7 ~, C L3 J LOCALE_SYSTEM_DEFAULT,
7 U& N; W$ K& Z+ l% o } DISPATCH_METHOD,
% J- ]! S. ~; y& T5 ^) P &dp,
4 |9 B; o5 K: {0 z NULL,1 q0 _. B0 R1 u# H
&ei,
4 h8 D) l8 u9 S/ X2 t &uiErr);
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4 T& P3 [4 U/ Q, r: | SysFreeString(topicStr);$ B; M, T1 S% N/ f. A# y5 _
SysFreeString(itemStr);' }" D$ I: S8 n+ P- [) r! Y
SysFreeString(valueStr);
5 @. W- F# E$ [+ D- q7 }+ N% J
+ |3 Z4 y" f5 O1 k! f3 u2 Y4 z4 }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???
" O0 O, r' V4 R5 |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????, ?/ |4 y5 d, \
# t1 Y5 v" ~! C( a& o
. E! m; V4 l2 j- Z- M2.这是request的程序: F& `7 I1 e# x; I/ x
// Request a value from Extend+ v" E3 I) U7 J6 B
//
1 B: z$ G- f2 x5 O& W) v& J) d// Initialize the variant that will hold the BSTR. Set the variant's3 B4 Z! m# S+ D4 M
// type flag to indicate the fact that this variant holds a BSTR. Place the
: G* Z- U" R) i// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
0 U. E( [" @0 p: d! k2 U( B
$ p' V. x) ]* D- D& z* q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* p2 l$ x `8 A
VariantInit(&requestVariant[0]); M ], t$ ~/ w
requestVariant[0].vt = VT_BSTR;
5 M: L* ~) P; j+ ~- T4 O. A7 |* T requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");* {' m' i7 f9 C, a8 p3 z s/ k* M! i
VariantInit(&requestVariant[1]);
1 P* ~# ^1 k# M" U+ {. N8 J requestVariant[1].vt = VT_BSTR;
: g+ H/ A! G# ^$ a1 E3 g6 b requestVariant[1].bstrVal = topicStr; A6 j/ ]+ Q! m7 \
3 ]3 t& e6 z, K" i% [4 h// Set the DISPPARAMS structure that holds the variant.
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& i$ c/ O/ v. P) g, t+ d# j dp2.rgvarg = requestVariant;
# m% k, _) T7 s1 A7 G k% e/ V. _% [ N dp2.cArgs = 2;
) m/ Y* O9 ?5 f' m dp2.rgdispidNamedArgs = NULL;! E* l4 e: V9 x1 |- {4 \
dp2.cNamedArgs = 0;
" x) U4 l4 I) C) \
4 ~2 W* x& d: D) V var.vt = VT_EMPTY;
' G n% g$ j8 c- i: a" f0 L' n F
$ G4 d- K8 g7 s. B// Call IDispatch::Invoke()8 j& k* \( y, S& y, }6 |
+ ~+ l' x* f8 W7 y0 x" s" ] hr = m_pDisp->Invoke(
/ f) L- b/ e! U4 b( m requestID,
8 c2 W6 A$ q3 U/ W IID_NULL,9 h! ^# l6 S" g# h4 e/ I
LOCALE_SYSTEM_DEFAULT,
9 l& ?/ O; O7 `$ w: t( |% z DISPATCH_METHOD,4 l' }7 e% V- }9 b* o* Q9 L0 M
&dp2,
# o% ~5 D4 k1 @( a2 w# Y &var,9 e! W+ ^" }# S1 ^: b( b
&ei,1 q! Y5 m: T* p) T2 Q0 h" H5 |
&uiErr);
9 w7 }( M0 l) _9 D+ [8 G/ x5 ?( ?
SysFreeString(topicStr);
" d- D& R8 }. r7 j0 | SysFreeString(itemStr);2 m# \* Q5 o5 G9 z5 P
请问该程序是获得extend里面的哪个值?. B; V( L7 Z0 k! I0 C/ A
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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