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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:
: F" S5 Z: K% i6 Q. fName = (WCHAR *) L"Poke";4 [9 u4 v5 z; O5 W* a
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hr = m_pDisp->GetIDsOfNames (
- @0 P! u* }0 ]6 }, x, V IID_NULL, // reserved
5 O) k, m1 {9 l- @8 U &Name, // Array of names to get IDs for! x0 n4 N0 x }- l1 R
1, // # of names in the array+ S% ]# \& q" V5 l, \0 W0 \6 p
LOCALE_SYSTEM_DEFAULT, // System locale( Y* n: b/ T' O
&pokeID); // Array of IDs to fill on output# E4 E e% b& n8 m8 b
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if (hr)) h, y4 `# W/ e9 @5 P$ ?5 w
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MessageBox ("Get Poke Unsuccessful");
- x0 G. B M' h' g# a+ E return;! |. ~" M+ c9 s8 c6 T- W
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# m- ?# ~! P3 m1 N/ w
/**************************传递数据给extend**************************************/
! m& W- U* N" A+ ?& N9 [ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); F0 L' L' ~/ j5 L2 L% t' E+ E$ H
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valueStr = SysAllocString((WCHAR *) L"1232");
- U% r" r7 Q& {1 J VariantInit(&pokeVariant[0]);
; p) h! A: K$ Z' R0 I+ G: k6 k0 L: j6 C pokeVariant[0].vt = VT_BSTR;
& |' E) {- |; }: z( H$ r) F) A pokeVariant[0].bstrVal = valueStr;6 K' r7 _- M; A, O. d
- d) U, f, f% A itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' T/ q+ \5 G9 h
VariantInit(&pokeVariant[1]);
1 t' R; L3 {7 k/ M/ B- ^+ ~( B pokeVariant[1].vt = VT_BSTR;
8 F& O& K2 E8 h) M7 Z9 ?, Y" d pokeVariant[1].bstrVal = itemStr;
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5 J n$ |' G2 p$ V: y) G' w% U topicStr = SysAllocString((WCHAR *) L"system");
0 x' _) K$ p4 t7 c" D2 P6 R, q0 A3 V, \( { VariantInit(&pokeVariant[2]);
# x4 H& @% f" _ pokeVariant[2].vt = VT_BSTR;6 X% |0 ~! ]- t2 j3 S" _
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.3 }4 b3 |0 f' x- U* y' @
7 ^! @4 ~' \" f# Y9 \; w$ |5 }
dp.rgvarg = pokeVariant;+ x: K" n( [! T E8 V
dp.cArgs = 3;
+ M! r. f L% j. V& w dp.rgdispidNamedArgs = NULL;
: a& ]: _0 B# t V' I dp.cNamedArgs = 0;7 e3 @, [- O7 C, W
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
: f/ ]4 e8 F8 D& i) M pokeID,8 ]( H1 S% |1 ]& ?
IID_NULL,& q' c1 [/ t! i9 }/ V; N' J' O
LOCALE_SYSTEM_DEFAULT,7 B. k4 F# I% o+ N( K
DISPATCH_METHOD,+ V% I9 T% W/ o% l' E0 P
&dp,, i5 H9 P. F1 s& L7 q! }
NULL,
7 b) j3 x& H y' ]4 o9 c7 L$ r* h &ei,
8 h' V5 X, z' X4 ~4 q6 K2 E &uiErr);2 [1 V9 r, n E g' L0 \9 b+ G
`2 \1 U% d7 G& | l4 z# o) h# @/ \ SysFreeString(topicStr);
& \4 E, `& {& V, {/ B9 z SysFreeString(itemStr);
+ `+ o2 R: A3 N# L( e a SysFreeString(valueStr);% H0 D& y# j5 P+ I
0 W" D& O) r2 u3 D% T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???- p {. C- X+ r% F
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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. F. \8 J8 F; [8 Y& [2.这是request的程序
$ p$ v, O u, Z$ I; S// Request a value from Extend: S5 ]; t" J- I0 C6 I* s6 o) E% p, k
//5 d& E, S; X- R7 `5 m1 a
// Initialize the variant that will hold the BSTR. Set the variant's; ]% ], p- T) z0 ^
// type flag to indicate the fact that this variant holds a BSTR. Place the: y/ O/ F: F# @& L6 n
// BSTR into the variant structure.& y0 F& {0 d0 x) g+ ?
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ n9 B0 H3 f6 a$ [6 P* _5 v
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* u: E, t. d7 l
VariantInit(&requestVariant[0]); ' `/ ?9 M3 P8 ]# Q& P6 x
requestVariant[0].vt = VT_BSTR;
( e7 j" @9 P, J$ i% \$ A* ^7 ? requestVariant[0].bstrVal = itemStr;
& [1 A+ Z/ C$ F& I; Z- B, t8 ~
4 D0 Y* o' k! t8 n* q topicStr = SysAllocString((WCHAR *) L"system");
8 Z! V* V% I" c0 O0 }' V9 Q; J VariantInit(&requestVariant[1]);
4 z O9 K2 u; M' G+ @ requestVariant[1].vt = VT_BSTR;
; I( z; l6 b; t' H& _ requestVariant[1].bstrVal = topicStr;) u! ?, `0 X6 J. E% ?
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// Set the DISPPARAMS structure that holds the variant.1 o# t0 }# ~) R# ~6 m
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dp2.rgvarg = requestVariant;
2 z3 [$ }5 H4 q* I7 O' q7 H dp2.cArgs = 2;1 P! P/ I2 b5 _1 Y+ B5 c' ~1 _
dp2.rgdispidNamedArgs = NULL;- Z: a# }/ w* O7 Z8 h# i8 k
dp2.cNamedArgs = 0;; G$ K) {6 X3 n+ n
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var.vt = VT_EMPTY;$ l/ y! T# u# i9 _! {
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// Call IDispatch::Invoke()
f9 T! b: G/ Q: U
4 I2 D; `" c- u: | hr = m_pDisp->Invoke(; m: B5 R% E% k& |; ~! q
requestID,7 ?8 y& @2 X e( W" L( b
IID_NULL,4 t/ b3 E% L1 D& ^
LOCALE_SYSTEM_DEFAULT,
. n: U7 }/ i& d5 f- f# m DISPATCH_METHOD,' O3 q$ v* t4 _! |' p
&dp2,
% m) D) D$ m4 }, [$ R &var,# j( R2 M% j* `' G
&ei,
8 B+ X9 C* l/ t T) o- f &uiErr);
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SysFreeString(topicStr);. ]$ O8 T- E% T: h+ q" A/ @
SysFreeString(itemStr);. n* F4 ~6 s) p a. m
请问该程序是获得extend里面的哪个值?
: x/ |" a" L& h: X$ x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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