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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:
# h- J) `( O$ s9 L, pName = (WCHAR *) L"Poke"; Q: N9 n9 T7 Y% z+ b. g" n
# l# h& w' Z2 Z7 v, W hr = m_pDisp->GetIDsOfNames (
8 X. H+ ?' h- M2 U( y' y' Y IID_NULL, // reserved, y0 ]% x7 H' x. X& z* h1 D) b
&Name, // Array of names to get IDs for' I, h) y: w9 I% S0 Q6 X+ f
1, // # of names in the array
) M4 z) b( g7 x0 t LOCALE_SYSTEM_DEFAULT, // System locale8 U {6 o$ i" n% C
&pokeID); // Array of IDs to fill on output' z3 o" F- R, n, I6 |$ v
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if (hr)4 s& {. K: v3 S6 e& ~. G0 S
{
! j3 \$ ]0 k6 H MessageBox ("Get Poke Unsuccessful");
9 o$ }2 x4 R# g return;
, r9 q* p; m/ m* H% o }
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/**************************传递数据给extend**************************************/. E8 z4 D- r+ P* \5 p
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( \5 Q* r2 \& p1 t2 d6 L
! }0 l* I3 F, ^) `, i valueStr = SysAllocString((WCHAR *) L"1232");
! D( Z5 J( L2 N5 |5 O3 D+ y6 ~ VariantInit(&pokeVariant[0]); # v' n9 l% ~2 h; |* U
pokeVariant[0].vt = VT_BSTR;
+ i9 y1 f9 r$ U: G pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. S' s/ S4 q. U2 [: D5 G7 C, q
VariantInit(&pokeVariant[1]); 2 _/ {& H) ~) H6 Z
pokeVariant[1].vt = VT_BSTR;+ v- x1 c8 i _5 Q: ?4 x
pokeVariant[1].bstrVal = itemStr;
/ X; [* i7 M+ D9 E
* m$ {) c; c w topicStr = SysAllocString((WCHAR *) L"system");! N8 \" e( d" K$ S
VariantInit(&pokeVariant[2]); 9 e z0 G) s+ _5 I2 f
pokeVariant[2].vt = VT_BSTR;
+ o* M% n l/ @# D; T& M* v pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant./ W) S3 H6 Q& @/ T3 @& X1 C
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dp.rgvarg = pokeVariant;9 C% }: |$ s7 e1 F8 n+ I+ p) y/ g! C
dp.cArgs = 3;) ?9 L! h% |% C6 J' s9 {4 E: Y) H
dp.rgdispidNamedArgs = NULL;+ y5 W6 ~1 V ?5 J
dp.cNamedArgs = 0;
- M/ M% d" o$ O' s0 P6 E/ y- g+ h3 y' R D
// Call IDispatch::Invoke()( R. o; B m1 b6 H
9 L: M! A( u# U
hr = m_pDisp->Invoke(
a- s+ b# X0 n3 e W( [! l pokeID,! o; I0 L9 W. e) i% K2 B
IID_NULL,
$ J$ N s# `) i9 O! K/ Q LOCALE_SYSTEM_DEFAULT,1 B: f Y3 J. M
DISPATCH_METHOD,
" [) M/ w S- t! m+ A5 w1 L. X &dp,
7 {8 x V7 h1 K( S NULL,
@) \6 ]1 S1 t; w &ei,8 m% v7 i* O0 K: g S2 Z
&uiErr); m0 m: c3 n3 O/ x* Z! P2 i3 a2 D
* `# t7 |1 S2 \7 c) J/ t$ m
SysFreeString(topicStr);* L! [6 u& e6 F) w. p1 \$ j+ K
SysFreeString(itemStr);
# I+ @1 x8 N$ `, x2 E SysFreeString(valueStr);
. `& P2 K) a8 k4 t! O; \8 A- k5 p$ E6 p- D1 p! G. l& N
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???: h# u2 F9 a- O* \! ~# u$ D" d
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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8 i4 E$ t$ t/ h- J8 o7 R
2.这是request的程序" y. `8 M" c( e6 K
// Request a value from Extend
3 N! g4 |* a# f- l3 Z//
6 P4 f4 G9 o/ \9 W+ w2 }// Initialize the variant that will hold the BSTR. Set the variant's, @5 s; @! H. b8 y9 L7 O8 {! m
// type flag to indicate the fact that this variant holds a BSTR. Place the5 `6 j2 Q" D e6 a$ {9 _
// BSTR into the variant structure.
: b( x% E4 z5 o P7 n( P9 T4 u3 m7 \2 Y7 x& i- ]9 q1 u# g
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);' i% U8 x: W$ b8 ^4 [- ?& O
' l- L$ ~4 ~* J8 j2 G1 p+ m9 K, i
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 {2 P* R) K( m$ C/ `4 o4 j VariantInit(&requestVariant[0]); 4 u3 c! }4 Q) P& d6 g/ k
requestVariant[0].vt = VT_BSTR;
: f* Z; ] G% |8 l" O requestVariant[0].bstrVal = itemStr;) k- w5 n% ] y/ k) H4 o8 h
7 O4 b- i3 J- J topicStr = SysAllocString((WCHAR *) L"system");
8 j7 p( ?. k$ K/ m& | VariantInit(&requestVariant[1]); % D* m+ c) N% Z# m! x: H/ j
requestVariant[1].vt = VT_BSTR;
# O6 a. @3 x$ Q) U requestVariant[1].bstrVal = topicStr;
. E( ^- ?5 U. l, ~& I% W, ?* [3 {% R6 |+ Y. ?$ G2 `* N
// Set the DISPPARAMS structure that holds the variant.
$ V, Y/ g0 F* R [
' Z6 ~9 s- W# A8 S9 x8 H dp2.rgvarg = requestVariant;" O& Y; ^/ i9 o; J5 }; }9 y
dp2.cArgs = 2;% i Y" x* `/ {/ p8 ?
dp2.rgdispidNamedArgs = NULL;
0 A0 P+ s! d0 e" m) V' z* Z dp2.cNamedArgs = 0;$ ^: h8 ], F- _* x4 l3 P8 B/ y; q
4 t2 @. c6 n' S( f/ C8 B% ~ var.vt = VT_EMPTY;
: P; d8 X. W- r' }0 x
0 L m: ^6 x% i( L4 k2 _// Call IDispatch::Invoke()
% h$ @, K6 C* @
: }, `# s' R1 [ hr = m_pDisp->Invoke(; w5 M! D4 M$ r# w- `0 y$ }9 n
requestID,3 I4 v. B) r- n# l' u
IID_NULL,
J" q" s& v7 y. g# R" Z: ? LOCALE_SYSTEM_DEFAULT,( x: W/ k& I; K* k9 _# b& }
DISPATCH_METHOD,
7 T* A4 L. q6 H2 k6 i &dp2,
/ z4 y: w$ R3 d5 o, b6 A- p. L4 ~) c &var,! q% w. T6 r& h7 d/ i) j" ?
&ei,5 z( O2 x' g: g9 `
&uiErr);
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SysFreeString(topicStr);3 c) E) `0 T5 ~
SysFreeString(itemStr);. U$ K; \3 W: R9 O
请问该程序是获得extend里面的哪个值?/ P- ~- s1 q) ]/ R
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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