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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:
& V4 W g7 g4 z9 J$ e* R$ |Name = (WCHAR *) L"Poke";( x) v! o( M3 a8 f
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hr = m_pDisp->GetIDsOfNames (
8 ?3 e- U, z2 b7 y: Z( \ IID_NULL, // reserved
3 n. ?7 _+ i8 R5 J' O2 L$ r. h &Name, // Array of names to get IDs for
% b5 g+ R0 z- W 1, // # of names in the array n, A) S. U& D/ F- [) C4 I# H
LOCALE_SYSTEM_DEFAULT, // System locale2 t1 O; A2 J% V! v
&pokeID); // Array of IDs to fill on output1 B6 N* ~, ?2 l: x7 O
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if (hr). M" e7 x Q4 I, i2 m+ Y2 j( q% Y
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MessageBox ("Get Poke Unsuccessful");7 X% C$ o2 J, ?6 t
return;
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/**************************传递数据给extend**************************************/- Z/ \, _% v' m3 k5 k
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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/ _+ M* w5 K5 b2 s valueStr = SysAllocString((WCHAR *) L"1232");7 ?* i) j& B1 C" v2 y
VariantInit(&pokeVariant[0]);
& o( ?& m; T# u7 J pokeVariant[0].vt = VT_BSTR;
: @: s4 u* Y; |* f, u9 m5 a5 F pokeVariant[0].bstrVal = valueStr;( b- N, k: }. f$ P/ I" ]
* ~% G6 B( y8 } y& G, d; m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! G6 ?! l, E2 Z" \0 B0 O VariantInit(&pokeVariant[1]); ) m3 Q$ J! K# R7 }
pokeVariant[1].vt = VT_BSTR;& }& E, G4 V! h0 t( V0 [1 W
pokeVariant[1].bstrVal = itemStr;
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, M) e# X5 C: \& G# U0 B topicStr = SysAllocString((WCHAR *) L"system");
3 I0 k+ Z+ ]- [5 Y$ Y VariantInit(&pokeVariant[2]); 8 r' T& z Y9 l3 f$ v8 q
pokeVariant[2].vt = VT_BSTR;) h8 L/ i3 O5 U+ Q
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ |: Q$ o" g4 h; Z$ ^8 z+ \0 Z/ o
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dp.rgvarg = pokeVariant;" m. S4 H. [) J3 ~" H
dp.cArgs = 3;
" D" W% t: G' Z/ j5 d* c5 f5 n; W& n' B) b dp.rgdispidNamedArgs = NULL;
0 L2 ?7 c0 g( F. s: Y$ } dp.cNamedArgs = 0;
: C5 m4 a" p7 o0 f
B5 d$ n, P" ]- N, Z! f// Call IDispatch::Invoke()5 B5 ^2 w! ~0 d' Y; ? \
h* o! L8 |# _) J hr = m_pDisp->Invoke(
' a& H# i7 h" x* q+ t+ j6 W pokeID,
3 a6 e6 m9 G) b& D, {) Z IID_NULL,) e1 ~% v! i$ Q1 m1 U! v( W( H- q
LOCALE_SYSTEM_DEFAULT,
2 }9 W" A8 D8 v- f! b! l+ Z N9 o DISPATCH_METHOD,) i$ ~$ B$ b$ t) F8 U
&dp,) x8 M* |; @- t7 j" m2 e. V ~% I
NULL,9 u' e. k w4 m; V' v
&ei,8 K1 T5 U1 x6 V. R3 C# W
&uiErr);; w- f, h* O4 D" P5 W
" t& {$ u2 o' W SysFreeString(topicStr);
0 A9 `6 R6 C2 K/ p" r2 r, P SysFreeString(itemStr);
, v& v) G# b1 ^3 B SysFreeString(valueStr);
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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 w; z, Y' x0 ~6 e9 j+ |. W- 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( m* Y! S) N: f
// Request a value from Extend5 k6 j# L4 C% r$ B
//
% d# `4 L" h$ ^* z7 T// Initialize the variant that will hold the BSTR. Set the variant's' l0 Z' ~2 e# h7 h8 i- a1 S
// type flag to indicate the fact that this variant holds a BSTR. Place the5 k3 G) d& T% m4 r! V1 I2 [' f e" S
// BSTR into the variant structure.
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/ J) A6 t: V% v- q X requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ F* i. w9 C* w. \ VariantInit(&requestVariant[0]); + q+ x2 M. x. h+ Y* d
requestVariant[0].vt = VT_BSTR;
( R" S# E+ D' L requestVariant[0].bstrVal = itemStr;0 i" {5 ]4 q0 n o% q! J7 R, ~# d
- L, R3 Q @* E0 `# ^# q topicStr = SysAllocString((WCHAR *) L"system");4 Y& `, G! r4 g, \1 j0 I( F
VariantInit(&requestVariant[1]); / i& M8 R5 e( D" A2 y# o
requestVariant[1].vt = VT_BSTR;
1 K A# F7 d3 }0 h: ~7 c! ~ requestVariant[1].bstrVal = topicStr;, v: C* g% `6 O- c8 Z
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
4 C6 g: u- c" w dp2.cArgs = 2;& `5 M0 B, u" `' b( }3 x
dp2.rgdispidNamedArgs = NULL;
& A6 T, Q) U' e2 D dp2.cNamedArgs = 0;, A8 L8 \" A7 [% a- t
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(. [7 r: P [! T/ C" Z! ? p
requestID,2 B, G0 L4 Z4 I$ J! ~
IID_NULL,7 c. }$ y0 P2 o9 K Y4 G
LOCALE_SYSTEM_DEFAULT,
3 J6 \1 ^( f l O ^3 M9 ? DISPATCH_METHOD,
+ b: {, b* Y+ @# r( C &dp2,
9 E, N1 A; |5 i3 }: b/ `7 `6 l; Q3 R &var,
) X {; W& d6 l- g& W* Q &ei,
9 X& E. s% [' t/ q, y7 E# q2 c1 v& B &uiErr);+ t4 w: T N, d& P8 J( J* j
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SysFreeString(topicStr);
r( t* G& X8 ^' d. ?" A9 F4 n; C/ J SysFreeString(itemStr);! g1 |$ o* D& {" ]! ^* v8 I
请问该程序是获得extend里面的哪个值?( g( W) G) R, O, ]- ^) y3 R# d
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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