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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:
( E0 Q3 p! B1 N0 ? j- j8 EName = (WCHAR *) L"Poke";& z( n3 G% l1 p
) B, x2 I3 u* c# p hr = m_pDisp->GetIDsOfNames (
7 M% o; g4 V% e9 Z; M) j9 t IID_NULL, // reserved
; u8 f+ b. I; w2 k. R: t &Name, // Array of names to get IDs for
0 u$ j! a0 x3 u3 ^9 j( c4 ]' A- r 1, // # of names in the array$ N- x5 M$ ]2 r0 T
LOCALE_SYSTEM_DEFAULT, // System locale
5 r3 i7 _. }; L &pokeID); // Array of IDs to fill on output
# m( T* y3 x8 o- ^0 `9 }9 j7 O% o2 a, J * c" r2 I; T! ^4 e# |8 x
if (hr)
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MessageBox ("Get Poke Unsuccessful");
/ ]% H8 A7 Q$ x- {4 O return;
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/**************************传递数据给extend**************************************/5 i. g/ B# e4 S3 Z: `
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ p& `6 R$ x/ V: N' l% H& c6 {
2 ]" y. G! o' |/ `* w valueStr = SysAllocString((WCHAR *) L"1232");- O( k% ] M3 L0 G% d6 G) F8 i
VariantInit(&pokeVariant[0]);
* `" \! O$ H/ x+ [5 w" y" q; _ pokeVariant[0].vt = VT_BSTR; O) d! t, s9 v: ~& [0 Y
pokeVariant[0].bstrVal = valueStr;! s+ M. V9 n' ]( @4 F* g
/ H2 T* M- k* ]; [8 D' q4 b; R; Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 {, \( P; N" Z VariantInit(&pokeVariant[1]); l4 G$ O: M6 Y+ {7 e- r/ v; O
pokeVariant[1].vt = VT_BSTR;
1 A5 O& N4 g$ Q/ f" B" J pokeVariant[1].bstrVal = itemStr;/ d7 |* `! a7 T7 ? e @; ?6 F0 x
5 r+ i3 @* ^ f topicStr = SysAllocString((WCHAR *) L"system");& q' r( n0 P6 J& S5 J
VariantInit(&pokeVariant[2]);
6 Y }( M2 `$ n ?) C2 T& H* y" I) g pokeVariant[2].vt = VT_BSTR;
" \" c( E9 x, F. I) E8 }4 ] pokeVariant[2].bstrVal = topicStr; w6 \7 q3 R4 }4 {: k
1 @) g+ U: S7 G T" c// Set the DISPPARAMS structure that holds the variant.
6 {2 ^# x$ O- h Q" E' `7 ]
2 @; S1 ~/ f! w, {% g! F9 w1 ~ dp.rgvarg = pokeVariant;
2 C0 x4 d- ~' g: H) T$ ^8 b9 `& ^ dp.cArgs = 3;
0 V0 G. n* K" C) e5 z5 [, ] dp.rgdispidNamedArgs = NULL;
$ m8 K) ^! X* V1 Q- n! J dp.cNamedArgs = 0;
; R+ w2 `6 ]& P8 w0 B2 m* V
0 x) @0 L; _3 d" A// Call IDispatch::Invoke()# P% u0 `; k$ n( [0 q3 c: [
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hr = m_pDisp->Invoke(
& ?, ?5 W N. ~; a: Y pokeID,9 r( b, ?( L7 h. `; `! C# v
IID_NULL,! A* J6 K2 ]3 x5 R: ]
LOCALE_SYSTEM_DEFAULT,
4 e6 x5 A5 f7 r DISPATCH_METHOD,$ b$ e: }, S" O
&dp,( _1 f0 d3 m! q; H! Y% ^+ |. _5 B1 ~2 l1 \
NULL,+ I5 Q9 m8 c3 P6 h3 x
&ei,, y i+ z5 l% A
&uiErr);- R5 a1 ~3 T4 ^% O
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SysFreeString(topicStr);' a- ?' u: F% ^
SysFreeString(itemStr);! D+ k2 S$ F5 f0 N4 O* H
SysFreeString(valueStr);
9 I6 a f W. p j5 I' C1 i; `# r; O0 ?0 Q. e4 C0 u" }
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???
f. _: i; U8 F, R3 E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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+ D" t& V! M0 K, u
3 J. c) [3 L/ ?9 }9 g2.这是request的程序$ N) ]( N; J ^$ I
// Request a value from Extend
+ ^7 S$ o# W% N/ q/ L//
: c: S" v7 I7 j* J: d6 w1 n// Initialize the variant that will hold the BSTR. Set the variant's2 f4 f. e& O v9 q3 k4 z$ i5 G4 }
// type flag to indicate the fact that this variant holds a BSTR. Place the
+ A# ~! ^! F5 U) q4 y! O// BSTR into the variant structure.
# }# o! \/ V! i& O: ~ H2 T) U) g4 E0 _- g' c- |) ?+ E
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. x- i9 R; A+ G2 [& F3 G$ c
9 E* o6 p- |/ ?* A3 K' Y
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 K1 T( Q8 j g6 J
VariantInit(&requestVariant[0]);
+ j) ?! C9 R; s requestVariant[0].vt = VT_BSTR;
5 M) n4 s2 V+ b, r requestVariant[0].bstrVal = itemStr; A1 U9 b$ Y+ v$ U8 ]
& e. h/ l3 I+ n B+ F& E topicStr = SysAllocString((WCHAR *) L"system");8 y: m$ ?# q8 ?
VariantInit(&requestVariant[1]);
1 D$ f6 p8 h9 a3 ?2 W) j requestVariant[1].vt = VT_BSTR;9 }3 W' a9 E5 A
requestVariant[1].bstrVal = topicStr;) [% n2 c6 h3 `9 n
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// Set the DISPPARAMS structure that holds the variant.5 C2 t* I6 J; }" S3 R5 T
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dp2.rgvarg = requestVariant;5 }: ^/ z% c; }$ {
dp2.cArgs = 2;7 q8 @9 w F3 c- v& ^
dp2.rgdispidNamedArgs = NULL;# _0 ?, S$ k0 ~( v) w% s- ~1 ]
dp2.cNamedArgs = 0;, K7 w( e+ o9 o5 @3 h4 P. o
# `7 d1 u: x2 D4 X var.vt = VT_EMPTY;6 K1 i: Q4 I( D# j! B& T8 p
- x4 Z5 Y4 O# H" Z" W9 W// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
6 P7 e+ }5 E" s1 Z& I8 L" K requestID,3 y) c, b7 M% y- B* p1 t! ]" b- S
IID_NULL,$ R5 N- H, @7 s0 |
LOCALE_SYSTEM_DEFAULT,8 c/ z+ E+ u7 v2 u# p: ^5 r
DISPATCH_METHOD,
1 @+ Y$ p. L3 q% {5 S* ^: |6 T. C5 E &dp2,
, ^( ?( }! E( S& p: b &var,
+ n; y/ n! q2 S0 I+ z &ei,( x9 g) Q- G, C
&uiErr);
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SysFreeString(topicStr);9 C( n, O1 g3 o( Q
SysFreeString(itemStr);% S J/ E4 ^, @, J3 E
请问该程序是获得extend里面的哪个值?$ j; A, U' x7 D" k
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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