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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:* I" J2 q; p4 r4 u
Name = (WCHAR *) L"Poke";
# v t. B b, h/ W ; U2 _% T& ~" V4 K* g' X5 ?
hr = m_pDisp->GetIDsOfNames (: ^! l1 U: [: o) X# m- \
IID_NULL, // reserved$ \* F7 [: l1 C. h+ i5 j, B' u
&Name, // Array of names to get IDs for& @4 k1 v o2 Q) G- X
1, // # of names in the array. `- b% |" N+ L+ G
LOCALE_SYSTEM_DEFAULT, // System locale
6 u) d8 I+ x$ l &pokeID); // Array of IDs to fill on output
7 J' E/ r% Y# I8 Q ^7 e! x" _/ _, A 1 V5 ^# p" A5 y6 a! L3 a: @! L% D8 q' r# l
if (hr)
' r+ N/ T) z/ a: C {
5 i$ U* k7 W9 Q7 o1 o MessageBox ("Get Poke Unsuccessful");
& c0 B8 B, o0 G2 t9 O2 q return;, R! Y5 J& \. L+ q; U5 w+ U
} l/ U v+ n& O+ \4 o, k
3 }- @: i# V3 B$ J* L/**************************传递数据给extend**************************************/
U. G# Q/ _/ d, m8 U) \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! p6 P A! r- A& \& p, \
. U! B! F+ [/ Z. g& [( w: B valueStr = SysAllocString((WCHAR *) L"1232");
3 y! j( u5 c1 M F; N; {" H VariantInit(&pokeVariant[0]); % X- ^7 Y1 T9 L4 D& X% P
pokeVariant[0].vt = VT_BSTR;0 f/ ?$ n* {3 `) }2 A
pokeVariant[0].bstrVal = valueStr;% u0 G h" k9 l( m3 |1 ^, e
) v/ _0 |/ t6 s; e5 }6 H6 G itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ }% q2 P+ G) o VariantInit(&pokeVariant[1]); / c. H* N' F8 Y% ?+ v0 v2 D
pokeVariant[1].vt = VT_BSTR;
E7 t4 u9 X. N X# r9 w; | pokeVariant[1].bstrVal = itemStr;
* |: b: x" G! X" v6 r0 ^( Z" ^
/ L% A" M4 ?- F. _8 J: q) b topicStr = SysAllocString((WCHAR *) L"system");
5 V4 v/ ~& e. K, | VariantInit(&pokeVariant[2]);
$ d& i0 O$ C1 ? G. c" Y# P pokeVariant[2].vt = VT_BSTR;
% q' c+ u0 A; z E. ^7 A6 n4 h pokeVariant[2].bstrVal = topicStr;0 _9 ~) \: [; C r5 ?
5 \, }8 z5 c7 X' y0 N
// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
4 d" z/ `- I% n2 N1 S3 a1 ? a5 J2 r dp.cArgs = 3;
6 H7 G& B" o3 f' |( p; R dp.rgdispidNamedArgs = NULL;
( U$ x4 i) V" V% k! q: l dp.cNamedArgs = 0;5 I8 Y& k" {( o6 S
+ v X2 S( K" U6 P// Call IDispatch::Invoke()! v& R" [3 S) F( j+ b
8 z G# u4 n" X" x: ~ hr = m_pDisp->Invoke(; Q" W/ F( l0 d8 H
pokeID,9 h r2 c9 J! ?1 Y5 \
IID_NULL,
! c) O! J/ k6 b8 [ LOCALE_SYSTEM_DEFAULT,
& \3 m% e: @: n" W# S1 h6 F: p5 N DISPATCH_METHOD,
; t9 R9 g) D2 H4 w" z8 M &dp,$ b$ N/ z+ c; u1 G
NULL,5 b) U. d% H6 N. A( x- q
&ei,$ o! \ Z* `+ r8 [. d ]
&uiErr);: ?; z( y9 S: n d5 j# k
9 n- e% A) u9 _ F; U# D- R5 t* J SysFreeString(topicStr);& N* J2 ]8 J: }
SysFreeString(itemStr);1 U. p8 ]$ Q$ Z5 t
SysFreeString(valueStr);
% k# a2 `) I; y' I4 J5 l
& q$ E6 n- z9 k* M- ~/ ^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???
: j8 O- C5 P5 M6 E; i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????7 t9 Q- C" A7 q3 q% u
; p* b3 V% i/ J) F! Z9 I3 M# o: Y& Y5 v3 [. N0 j* E
2.这是request的程序) j" e% Q! R6 N& B, [
// Request a value from Extend: W: c/ h, e: G7 F+ U/ S' ]
//
$ g7 ^1 F; e6 {1 H9 l$ f! `7 W2 r// Initialize the variant that will hold the BSTR. Set the variant's. I) O' O# |/ M
// type flag to indicate the fact that this variant holds a BSTR. Place the
x5 f/ g- t, f7 K0 B// BSTR into the variant structure.
4 o' W1 @; y9 k3 Q+ K7 G2 s, O
# i: F: x4 _- P: O0 T8 G8 O requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
9 f1 A/ u; t5 q- j; S" o% J- s+ {
* _ y; I3 o1 a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 Q) T& v- r6 j5 Q6 G6 I VariantInit(&requestVariant[0]);
" K( i# I- Y* E4 k! c1 y requestVariant[0].vt = VT_BSTR;
, Y2 } h3 J( U# V# q+ g( |5 D" W requestVariant[0].bstrVal = itemStr;
3 ~ ~7 u. }8 }' L, k* Q- J3 p8 N" M+ c$ N$ n( X$ ^: [" \" y
topicStr = SysAllocString((WCHAR *) L"system");. U, C- l2 k1 O# ]( _* a1 q, f% O
VariantInit(&requestVariant[1]);
. f0 d+ t) r+ B$ p) g requestVariant[1].vt = VT_BSTR;# y5 q" \0 u+ q! {
requestVariant[1].bstrVal = topicStr;- D/ D1 q2 B+ R( }: ]! w4 ?: [# e9 ]' v3 X
+ x: d8 f9 ], `6 U6 ]: X// Set the DISPPARAMS structure that holds the variant.
# n- M# Q, i* d1 N; e6 ~/ v: c+ Z3 ^7 P$ a/ j% d
dp2.rgvarg = requestVariant;
7 P3 V* N1 b4 D* z dp2.cArgs = 2;
- n# {4 ]: b4 h( H dp2.rgdispidNamedArgs = NULL;
# q! W& W$ Z" ~: h dp2.cNamedArgs = 0; J' x1 x: G. a
9 r5 [# ~/ J3 I var.vt = VT_EMPTY; P9 v+ V' }6 q" f
" H8 z- {, Q0 o# g' E
// Call IDispatch::Invoke()$ Q2 z2 y, i* z" a0 \
% j; D4 G/ I+ @% M9 e hr = m_pDisp->Invoke(
# u8 u1 H |! U! ^/ m% [ requestID,+ C7 z- a9 M/ R {4 v- U" ^
IID_NULL,
+ B! k: p% f% E& | LOCALE_SYSTEM_DEFAULT,# f5 L8 c2 y7 E# M: T3 |/ S: n, z5 o
DISPATCH_METHOD,
% i' I( X6 B* @3 C( a &dp2,
, L3 y2 Z+ L2 D% V, X4 `# g4 y &var,
2 J9 q/ ^( n. n \ &ei,
# b! ]* K9 W" M6 A& R &uiErr);
8 V9 o: h9 C( O5 f$ K4 b/ z: }0 h4 @- J% W+ y
SysFreeString(topicStr);) k+ H4 t, l4 x' D( F
SysFreeString(itemStr);* o& C. x; ] T- m+ Q9 |
请问该程序是获得extend里面的哪个值?
! q0 k# i9 m8 [' n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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