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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:- ~! [9 y3 J0 _7 m |3 S/ [
Name = (WCHAR *) L"Poke";, d/ x; i K3 a5 {
0 Y: ]! {+ z9 V' X hr = m_pDisp->GetIDsOfNames (& o" u- L- N) y4 T7 n" B% O
IID_NULL, // reserved
5 a; J4 x0 k1 b( B &Name, // Array of names to get IDs for
l# J1 ]% p7 l: f 1, // # of names in the array
. Z0 V4 i! F! n- z LOCALE_SYSTEM_DEFAULT, // System locale
/ A; b, R/ o0 E! f& n &pokeID); // Array of IDs to fill on output
; H" U" L: N- m, P- e6 n% Z7 _ $ R& Q* B- o7 N; w" c
if (hr)
9 N$ w, q7 [: `# \- w1 g% ? {
' j X' g& o6 U% t7 o a0 j MessageBox ("Get Poke Unsuccessful");
) b$ r8 D6 B* y2 c' H$ M return;( l1 V- O7 \9 j! _
}& C5 S4 \- j, Y9 L) U! U1 t$ [
: ?" v" }2 ^" t* ~/**************************传递数据给extend**************************************/
& @5 o# u5 Z6 c) k& i% w/ P* i pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 ^# _: [) _) r3 E$ N% ?+ o3 h
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valueStr = SysAllocString((WCHAR *) L"1232");: @5 T4 P. B7 w7 A
VariantInit(&pokeVariant[0]);
) S8 g M# ]% k+ ]# y pokeVariant[0].vt = VT_BSTR;/ Z/ ^1 ~8 ?. ^( m: o: v$ }
pokeVariant[0].bstrVal = valueStr;: X F; f* w, j! D. |8 F
) {9 ], A$ b# [" X8 N) m: t6 i* K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 n4 P3 a, ]6 q2 ~+ Y/ X, N
VariantInit(&pokeVariant[1]);
" a$ R1 O! x( m6 [1 ? pokeVariant[1].vt = VT_BSTR;, C, d; y4 C9 W( d* Q
pokeVariant[1].bstrVal = itemStr;
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' X {: ]7 [& f- Y5 c% E: t$ M topicStr = SysAllocString((WCHAR *) L"system");
/ e2 G4 W5 c4 k8 j9 W VariantInit(&pokeVariant[2]);
2 t: U$ c" l+ D! a% b pokeVariant[2].vt = VT_BSTR;. s2 B4 X* t( \" Q1 I
pokeVariant[2].bstrVal = topicStr;/ n& {) e0 |3 A# y
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
# ?( _- A1 r4 L j# m dp.cArgs = 3;4 l( h; M/ h5 ]. c1 N6 j
dp.rgdispidNamedArgs = NULL;
+ O/ s4 X3 i' K: e/ X: y8 Y7 R O. a dp.cNamedArgs = 0;2 Q( U2 d2 J' J6 n
0 ~, i& f0 l$ z5 t// Call IDispatch::Invoke()0 H" b& t8 j: V! [% U
4 \- B5 i2 d4 w; _+ ` hr = m_pDisp->Invoke(
- X6 c1 n/ p: o/ y0 O8 U3 V pokeID,6 n. t" r* }7 P" U3 S" x1 M
IID_NULL,
' l' I+ l' f& b2 u* q/ p LOCALE_SYSTEM_DEFAULT,
# w5 O! U- J+ H1 J DISPATCH_METHOD,7 |+ Q% m H" ^! c) A7 U
&dp,
4 ^# D+ o9 S8 V8 n4 {) D6 Q/ t NULL,
9 J+ A' p5 v* { &ei,
6 K- y2 @8 [$ W7 T- w2 d+ P! u1 d3 a &uiErr);
- K' y2 O; W- ~, }- N: e& n) i
+ o* H k9 [& ^2 w) E0 n0 ] SysFreeString(topicStr);
! I- A4 `1 R2 }! K SysFreeString(itemStr);
" U, u% f6 \1 J4 F3 n$ K SysFreeString(valueStr);( u; f! H6 F8 w( |" J: Z) C
6 S4 \" o& \, Q5 _
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???
0 G& @: i: Z: C6 q7 K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????
' i/ A7 L* Z) }) |& f% t$ t* i3 G
2 @* ? D6 i, i- X+ B# Q, \5 z. I( A7 C9 E
2.这是request的程序
4 R# p! q4 \5 q// Request a value from Extend
! o5 u$ ?3 B6 n+ ?6 X//) z$ p3 c* W+ F( m+ H9 g
// Initialize the variant that will hold the BSTR. Set the variant's* ]4 j0 V6 |5 S- e, y3 c. B/ P
// type flag to indicate the fact that this variant holds a BSTR. Place the* t$ c/ I1 i$ k5 f/ t# [# U
// BSTR into the variant structure.! @3 @* K4 Y" o0 u9 [
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
1 s$ g/ P- [# q: k
. X2 H- M4 b8 a" P5 R' A1 } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ~ H+ J7 y) D/ e6 o) z
VariantInit(&requestVariant[0]);
8 i+ r. s4 ]1 j+ A( [$ a requestVariant[0].vt = VT_BSTR;# [- k, H) ^2 Q: f/ Q7 c* {
requestVariant[0].bstrVal = itemStr;
6 d1 Z: Q l- g* ^* A; o# Z2 w* }3 w1 w) L) m
topicStr = SysAllocString((WCHAR *) L"system");4 g1 p$ o+ h1 B/ j4 o; R1 g% {# q! |
VariantInit(&requestVariant[1]); 9 e# D7 c# D d5 i4 w# Y' k6 {
requestVariant[1].vt = VT_BSTR;' K3 j! L' }6 W2 M- y3 R; p6 r1 s
requestVariant[1].bstrVal = topicStr;! D3 t+ C% q& g1 i
0 h, M g! P' W) a// Set the DISPPARAMS structure that holds the variant.
4 o6 x/ m+ [7 x* t2 |# l
# S7 m$ ]. I- |. h" f9 Y0 k/ I dp2.rgvarg = requestVariant;
8 [8 _. S( }9 v" p/ g" B$ y% J dp2.cArgs = 2;; s' J6 W" x- ?0 u& R2 z6 L7 H
dp2.rgdispidNamedArgs = NULL;, g- O! k% p, @2 W- C
dp2.cNamedArgs = 0;* S$ b' }* l4 b8 E: ~. l. d
' L' k( W) a* c& M; L* r/ @# _& ~
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
0 I" X3 {/ X( `
* b, b9 H$ C6 L/ \ hr = m_pDisp->Invoke(
6 F3 C: G! [0 P- |; I requestID,7 Z4 s$ ^8 s s
IID_NULL,
1 R. \6 B1 |: [ LOCALE_SYSTEM_DEFAULT,: g4 I) R/ M Y
DISPATCH_METHOD,
3 v, {6 m% s3 [# h( o8 O3 P, N &dp2,
! b( N8 g9 {7 T &var,7 K8 O% \% P* Q9 M. |+ o
&ei,
/ X8 o5 N7 Q6 R+ N2 y &uiErr);& q6 J/ }/ I6 y U9 ?6 B
0 y7 q+ p }* r! Z4 q7 `" M' y2 u2 }* Y SysFreeString(topicStr);( O4 l7 p$ i9 x1 l; D! G
SysFreeString(itemStr);
9 j% J/ e0 `7 a请问该程序是获得extend里面的哪个值?
, S9 D( u4 Y9 f4 x3 i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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