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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:" G0 V8 f+ k3 I' h
Name = (WCHAR *) L"Poke";, R4 w; ]2 w. u4 S
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hr = m_pDisp->GetIDsOfNames (
+ c1 V4 r) n+ S9 U& ? IID_NULL, // reserved
, Q" u$ I: S$ w1 X* F &Name, // Array of names to get IDs for
! {8 [+ @* ^! r# E* g 1, // # of names in the array* D- O; c6 J* n+ t- Q2 ?
LOCALE_SYSTEM_DEFAULT, // System locale
9 R; `; A9 U1 F5 z5 h &pokeID); // Array of IDs to fill on output/ N, g3 m) j: u" `: j5 x3 Y6 R
3 T) z% w. w0 \
if (hr)
, q: J# F) x5 J! Q6 l {
0 R) K5 [9 c. W MessageBox ("Get Poke Unsuccessful");" i& ^6 V, c3 _# |- H
return;% y; Q- w: p! E8 l; K
}' @0 I, ~ g/ z9 U9 t
. b4 H+ h5 ]: |/**************************传递数据给extend**************************************/1 u& H. I: C4 a+ b% P& u+ u
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ e: X% R. U% i$ O# I' O
8 S7 b8 l7 Z6 d$ c, x2 s: i5 R
valueStr = SysAllocString((WCHAR *) L"1232");
! R4 t- h9 Q8 o; w) g VariantInit(&pokeVariant[0]);
8 [/ H: r# }8 V4 O* u pokeVariant[0].vt = VT_BSTR;& G% K0 G) H" S8 ^; V
pokeVariant[0].bstrVal = valueStr;
$ p- ]) H; ~+ `' Z+ y) B' F
- o6 m' ]9 n$ {" k7 c- W. a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" ~, ~9 Y# H) W5 `% d VariantInit(&pokeVariant[1]);
4 C, h% P# f8 u# w& l. ~4 Y pokeVariant[1].vt = VT_BSTR;' _: z5 T7 e6 \* R% j# ^5 B
pokeVariant[1].bstrVal = itemStr;1 n& r" d8 a' x0 u+ B3 J0 `
5 X: ?) q& i5 [+ A topicStr = SysAllocString((WCHAR *) L"system");
- m: z3 F# \; u* I/ o4 f' _* ~: q VariantInit(&pokeVariant[2]); ) U; t5 m( z! m5 z
pokeVariant[2].vt = VT_BSTR;. _/ t* J) I6 v7 a
pokeVariant[2].bstrVal = topicStr;. F7 o9 d3 \9 x) t' T: a
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;% b8 i! L& h: I* W1 d
dp.cArgs = 3;
/ r% u1 p; h1 w; G( Q: P. d dp.rgdispidNamedArgs = NULL;
+ {# G& p' Y8 |1 @; y9 ?( ^ dp.cNamedArgs = 0;
* D2 t2 z# Y, a* W- [
* O" O' g, ^6 c# y// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(1 k. u. H9 p1 E0 b% z; ?
pokeID,
/ a, Z% B1 {. S. u6 V IID_NULL,
2 n& t* t/ {, n0 N$ H LOCALE_SYSTEM_DEFAULT,4 n, s5 Y2 v: Y5 R" ^4 g+ c
DISPATCH_METHOD,
1 y; p) G h! j &dp,
9 Y% }9 Q5 W4 |1 b" p- B NULL,/ _8 q3 G9 s) v) \" G! r% F
&ei,% f3 t- B+ t3 Z
&uiErr);4 g) r, r$ A1 V# U# H" v1 N
* ^+ e; }. {3 q9 h
SysFreeString(topicStr);# F# h$ \4 |- a: ^. ?: y3 _
SysFreeString(itemStr);" w" R8 L, a7 c% s' i
SysFreeString(valueStr);
N6 S* a8 I/ [) A* f. ]! P3 ?4 G/ r& Z& W7 R: i- }
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???
`! t( u: g- `' Y% B# A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
/ H0 U6 j! c) S* X7 Y. o9 @// Request a value from Extend# w6 d+ B5 a9 O8 F$ [* X
//, p( m+ q. I7 Z) i0 A' \6 T t
// Initialize the variant that will hold the BSTR. Set the variant's: D' ?/ k8 o+ h
// type flag to indicate the fact that this variant holds a BSTR. Place the5 J* ?4 R/ @4 Y0 _ {
// BSTR into the variant structure.+ q+ O* d" W- ^& a) s0 h6 p
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* D; M% k/ G0 v ?0 J
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 Z9 i4 f% ~$ n0 U& F7 U VariantInit(&requestVariant[0]);
+ ~2 f, U D; m# T* A+ O" R requestVariant[0].vt = VT_BSTR;8 K$ K' P; n, H3 i$ K
requestVariant[0].bstrVal = itemStr;
, g5 v) a/ E1 e0 v! k% H! j7 S
( _( C0 Y: f- Z" B topicStr = SysAllocString((WCHAR *) L"system");+ F8 m, X) o/ Y
VariantInit(&requestVariant[1]);
G M' k+ `' S2 F ?1 S* I- d" H q requestVariant[1].vt = VT_BSTR;
5 Y# l ?' u5 | requestVariant[1].bstrVal = topicStr;; c2 b, E4 _0 t1 ?6 `! s }
Q3 ^9 L* B7 [/ F6 @* |// Set the DISPPARAMS structure that holds the variant.. B" e2 C# |8 {
1 S9 U% ^# }$ p. X, h) p dp2.rgvarg = requestVariant;
|& M& }5 Q. Y8 B dp2.cArgs = 2;5 ]% K- Y" y$ \& F) U p5 k
dp2.rgdispidNamedArgs = NULL;
4 x" J% A. z1 w H; }, Q dp2.cNamedArgs = 0; c& w% f# T# X! A7 s$ B4 l/ ~
% P: p3 Z3 H- z" R) E var.vt = VT_EMPTY;" [; _& c8 T" C( \
# {) b Y: q) _1 W
// Call IDispatch::Invoke()' w+ L. @" [1 @8 S
2 Z! B% @$ n& p7 m ^ hr = m_pDisp->Invoke(5 g1 o& N& E- D' T0 _4 x2 `$ x
requestID,
$ N# [1 C, h/ K7 r, e2 u IID_NULL,
% m3 H% @8 T! U LOCALE_SYSTEM_DEFAULT,+ N2 d* Z3 |/ e6 d; B2 [
DISPATCH_METHOD,! e" s6 C: G( w5 S
&dp2,
& X4 c8 }* A3 z# \6 f& v2 v( C5 Q &var,3 G+ t& @9 {0 Y7 ^8 ^7 u
&ei,. J2 X- h8 u$ D
&uiErr);0 `/ q, x g2 z) ~. d0 q3 u. j
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SysFreeString(topicStr);
# J5 a; K, K# q; e3 m: x, { SysFreeString(itemStr);
7 e3 K5 n+ T* c' c请问该程序是获得extend里面的哪个值?7 d1 `, c5 L u4 B1 U/ y# z
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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