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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:
8 ^( r7 C- o: N# i, b4 QName = (WCHAR *) L"Poke";
% i2 T* L3 ?' a
+ o2 f' r# k. j# A% k4 m hr = m_pDisp->GetIDsOfNames (
% m0 }4 W9 l! x. o0 P IID_NULL, // reserved3 |1 C/ [" ]. a
&Name, // Array of names to get IDs for7 o* b8 L. u# \5 P6 C G
1, // # of names in the array
/ f8 t6 L J B; X0 ^/ O LOCALE_SYSTEM_DEFAULT, // System locale6 T! K" {, G$ `( @# k0 ~ n
&pokeID); // Array of IDs to fill on output# K, |( q p2 v8 H2 m" x* N
# ^! K5 p" \" u/ B/ i1 ^* W% a
if (hr)
( i I7 X$ S% @' @' h {
+ C, `; Y. z5 u1 ~3 g* O MessageBox ("Get Poke Unsuccessful");
, ?6 t. l3 j! f6 | return;
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2 ~, W5 w5 |; C0 d7 R. d
/**************************传递数据给extend**************************************/
Y' U1 N8 r1 s+ \. y+ h0 N pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
( ]" w3 t* H0 p8 H4 S9 ]
& p4 d1 H( Y7 Q valueStr = SysAllocString((WCHAR *) L"1232");* X) [6 O6 V# T9 G$ c8 e: M/ W
VariantInit(&pokeVariant[0]);
6 T6 x) c \. [' v2 U5 w pokeVariant[0].vt = VT_BSTR;) o7 O: F o( n& P
pokeVariant[0].bstrVal = valueStr;6 \6 O$ \8 j" N1 ~
3 S, l( c3 ~3 N& t4 o, _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- u; i9 I! o) {- k# t2 A S) @1 @. R
VariantInit(&pokeVariant[1]); + m/ H, y. V. J9 g1 t: U
pokeVariant[1].vt = VT_BSTR;
- K* J% O, r9 P0 c# R2 J' ` pokeVariant[1].bstrVal = itemStr;
* a, V/ `5 ?1 [; U, N( d x1 W1 ] h) U' Y! K* X# S4 l. a
topicStr = SysAllocString((WCHAR *) L"system");4 o0 ~1 B( t6 n/ q$ d/ p2 x; a
VariantInit(&pokeVariant[2]); : k; {# T+ U/ e: |- _/ L
pokeVariant[2].vt = VT_BSTR;
" R5 H4 O I6 |3 N7 i! _6 ~5 c7 X& T& s pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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. D0 o2 [" ?# Z+ E. c. t+ r dp.rgvarg = pokeVariant;; X n% l8 D% `6 u" z9 E" n; l: p6 ~
dp.cArgs = 3;
& Q* a# S$ S8 V' v5 v. f; A) L dp.rgdispidNamedArgs = NULL;
5 A3 X0 c* y, V4 B) I3 J F dp.cNamedArgs = 0;! @/ f1 p8 |4 Z6 m1 p
' {- {$ r' h7 y# l3 k' p// Call IDispatch::Invoke()
# T1 a# L$ W3 T0 y9 `
( n+ ^6 D( |, E, r7 i2 [ hr = m_pDisp->Invoke(
* v1 T9 }2 J! E( l pokeID,
! e- S, S9 M3 s' s! _2 M IID_NULL,
6 u+ {0 { U% k% _ LOCALE_SYSTEM_DEFAULT,0 h) ?9 S% k# I8 P# E' e5 W
DISPATCH_METHOD,( W; f _. w" A3 q* z
&dp,* M8 Y* L3 e$ T0 p. a
NULL,
) M) g' R C% g1 H &ei,
# E4 ~1 D4 L2 b" A7 w &uiErr);
$ V1 d" a( @4 e
$ e1 D- N5 A2 P2 s SysFreeString(topicStr);3 d' h8 W6 d- k# t& C; k
SysFreeString(itemStr);5 F' {/ A# B1 b- `6 \
SysFreeString(valueStr);3 ^: l4 ^& r# _5 ]% k7 V- H, {3 c
8 \, i3 b6 U/ J N7 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???$ y& @& _: J; t' N5 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????1 }! O' {% F' |( b+ m8 Y$ ~
2 N( a% U+ L, ^% e) l R- D/ o) I: F& ~0 n- j* n- e* g# `
2.这是request的程序
8 f1 A- m8 W/ {, l9 g/ f2 W. U* w// Request a value from Extend
8 s' h3 L* ^+ A0 g/ {//
. _8 f$ g8 w" q6 N// Initialize the variant that will hold the BSTR. Set the variant's
$ ]) D3 D+ v/ L5 B% s; @/ z1 j// type flag to indicate the fact that this variant holds a BSTR. Place the
$ N/ ~4 T% }; u) D. I0 P// BSTR into the variant structure.. B1 x! T% e0 z. g
. y& v% H3 c, M' [3 M' @* C* p1 x
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 R- T' g# G; X1 V8 C0 j
VariantInit(&requestVariant[0]);
- ]! J! N' l1 s requestVariant[0].vt = VT_BSTR;
; i- q. O. |$ R: F* p) H% l7 B requestVariant[0].bstrVal = itemStr;& G4 [+ S) Q& `/ G* t+ P0 L
# d' Y4 ~. F: ]. \7 G
topicStr = SysAllocString((WCHAR *) L"system");
" C9 h% T) n- g4 } VariantInit(&requestVariant[1]); . B! g) K- Z* s3 ~5 X' W
requestVariant[1].vt = VT_BSTR;: i% g, i" ?% a6 w, J! M8 a; p
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant., z! D6 n+ X' _2 x& N+ v; i
6 e; S2 O- u1 [7 P! Y, d( j$ `# K dp2.rgvarg = requestVariant;
! r- |$ w/ \: Z8 y dp2.cArgs = 2;
7 V$ n( |& }( _ dp2.rgdispidNamedArgs = NULL;
8 K' Y7 ^/ E B; e2 O% i9 c dp2.cNamedArgs = 0;$ y2 K! g: `+ O9 ^, g, A! [6 K- n
7 k$ R3 l |* [8 ` var.vt = VT_EMPTY;: {! z p. [/ y1 b9 f+ L0 ?6 g
7 Z0 x: W, n9 T& s5 d& G// Call IDispatch::Invoke()' P f+ u+ w, S: }, ^
7 G* K0 O" d5 Z' c1 J) C hr = m_pDisp->Invoke(
4 ]; ~( }3 B$ z requestID,. Q: Y$ e8 s0 c/ o- K3 Q3 @, P
IID_NULL,( K5 U3 |) s' W; J
LOCALE_SYSTEM_DEFAULT,
: l$ u! Q. X7 a9 f4 @% d DISPATCH_METHOD,
, e |. n4 Y8 M6 W, o &dp2,
, w) D8 K% w" |- E; j &var,
! G# Y) h! T) V e &ei,
% G2 W* n5 B. O6 K- m4 v$ ^) M& J &uiErr);; I E% b- s# c
3 J* L4 P3 X; M) f+ J* @% D SysFreeString(topicStr);
2 N& ^3 _ u+ p0 t I9 B% Z SysFreeString(itemStr);/ @& ~4 t: A n8 n$ l; u' q
请问该程序是获得extend里面的哪个值?1 o3 q1 S% ]4 Q ^& c/ D" d! O. ^
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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