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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:! p$ R2 r% t5 U. U' H/ V; J7 G; A; g
Name = (WCHAR *) L"Poke";
8 p7 i; n* E. i6 s% w , D* q2 V( S! m$ U( a8 _7 {
hr = m_pDisp->GetIDsOfNames (
- s' ?$ [+ H5 R ?1 v IID_NULL, // reserved
) v$ t' e( U( P$ O4 A* B &Name, // Array of names to get IDs for
- t; f8 j. h% Z 1, // # of names in the array
7 I' A2 d, ^+ s, M4 E5 W LOCALE_SYSTEM_DEFAULT, // System locale
4 o# [) d) R; \2 \ &pokeID); // Array of IDs to fill on output
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if (hr)1 ?9 `* x: N4 f7 |; p; E
{
, X8 w% V. x$ Z& j+ @ MessageBox ("Get Poke Unsuccessful");
, V) L0 D3 Z! N' Z return;) U; `* H" |* q) w+ ~, w
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/**************************传递数据给extend**************************************/
9 o P8 H( d# } pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- ~6 Y3 J! |: J" C
* k) D/ \1 |' ]2 [% Q1 T valueStr = SysAllocString((WCHAR *) L"1232");+ g8 G% ^% `6 R* q
VariantInit(&pokeVariant[0]); ) ^5 h1 S1 L# _
pokeVariant[0].vt = VT_BSTR;
5 r& b( W+ ] q4 V# \7 l pokeVariant[0].bstrVal = valueStr;
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" Q; D+ T2 u- n9 b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, V5 j- v" c% z4 o; D/ k
VariantInit(&pokeVariant[1]);
( X r5 S8 F3 Z# _0 U; d- o$ ~2 N pokeVariant[1].vt = VT_BSTR;
2 u1 f0 q& c9 `% Q! W: o pokeVariant[1].bstrVal = itemStr;
0 x8 i5 J% W4 T2 l8 y
- Z" h [2 m1 h. H topicStr = SysAllocString((WCHAR *) L"system");& j4 p. N; ?: g) N" A
VariantInit(&pokeVariant[2]); % S* c2 X* z6 D/ a2 N0 k4 Z& ~/ w
pokeVariant[2].vt = VT_BSTR;) `* h+ h6 n; h; V
pokeVariant[2].bstrVal = topicStr;! ?# i7 [; ~" u1 n# e' ?" v2 X
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// Set the DISPPARAMS structure that holds the variant.
8 _; l: q7 J( O% Q
( c4 g i) s& f, \ c& v dp.rgvarg = pokeVariant;6 W) F. w7 v+ R* j& y/ \. b v: i
dp.cArgs = 3;
9 W; v* R1 E0 K! V: d/ b dp.rgdispidNamedArgs = NULL;9 T% q, ^9 M# ^- M* z; p, s. c
dp.cNamedArgs = 0;
4 Q- R) K; e& E2 a
* e! M/ M8 @ M9 s; H9 g& O// Call IDispatch::Invoke()
) q6 q! R% F: B
: M8 J" p! w- n) R5 R hr = m_pDisp->Invoke(& A' h; q; v5 L4 E k" f& G* O6 }5 K
pokeID,
+ d+ u& I, @. _0 M/ q0 T" h IID_NULL,/ I2 j) {- l7 ~0 F; f* ], f4 K9 X
LOCALE_SYSTEM_DEFAULT,
4 e) v8 q9 w( e: m. M! h; |9 Q DISPATCH_METHOD,
' n+ {5 a8 q7 h6 T3 F& `/ b7 F1 H# K# S &dp,) A @4 j: v9 L1 _! F+ z h! A" Z
NULL,. T5 G2 U* |) x; G2 P
&ei,
. E, ?5 d4 f3 N% Q4 b b R &uiErr);
3 w& B; a, Z, F9 T' q8 A
% y7 a5 l* p! R SysFreeString(topicStr);
% y: J. x# a2 C( G5 D SysFreeString(itemStr);
0 t5 J: t$ ~8 q: u# C6 ? SysFreeString(valueStr);; @( G4 u, |! T) H
3 S3 `0 q8 z' |7 c
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???7 D& r: L. C7 t J) K8 x% s
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????- Z% X/ v% q( u0 z1 n, f
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2.这是request的程序9 e4 \7 F) U$ @7 f3 [! Q8 y; i
// Request a value from Extend' c4 T I# D! F" \1 F9 w& r* n
//+ P" B+ x7 P3 V: _. r& v* U, x
// Initialize the variant that will hold the BSTR. Set the variant's
+ A! \6 R0 R5 R8 R( ]. V! a// type flag to indicate the fact that this variant holds a BSTR. Place the+ f+ |5 `4 J4 U8 {' c
// BSTR into the variant structure.
6 H: Z- F! B" G& Y0 a. M1 X8 `9 V6 u6 q! E( W7 W6 h( e/ j1 ]
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
6 x5 V8 s( x3 x9 h1 t * D! g. m+ N0 n* r
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 M! Y, p( g0 `1 V" R
VariantInit(&requestVariant[0]); / `8 v! s% u5 P! T# D9 A
requestVariant[0].vt = VT_BSTR;
% {) f* \ R+ Z0 G, m1 l. y requestVariant[0].bstrVal = itemStr;
% [' o% _6 Z7 d! {
+ f- C$ m& Y; Z+ |: m topicStr = SysAllocString((WCHAR *) L"system");
3 U, w @# A) _' w VariantInit(&requestVariant[1]); 6 B3 q2 O" F7 c
requestVariant[1].vt = VT_BSTR;
0 o) ~" l. ^* [7 G8 e7 [% E, j8 g4 }4 L requestVariant[1].bstrVal = topicStr;* r" |, p* Y# w8 N+ w) Q. C* Q
5 l. ]- M# l l4 A8 C9 I" F/ o// Set the DISPPARAMS structure that holds the variant.
- F6 m0 a7 J+ P9 S- ]! l$ B3 t# J
dp2.rgvarg = requestVariant;
) P, t( x, b$ w2 [ dp2.cArgs = 2;/ l) l2 `4 M* ]) K
dp2.rgdispidNamedArgs = NULL;5 u9 h3 o2 y. H* T
dp2.cNamedArgs = 0;1 s5 ?/ F- l! \1 Q3 z. Q" @1 y1 F
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var.vt = VT_EMPTY;
3 `/ c7 ~2 d* n) [4 P: n& k6 j* ^
& m3 k3 b R0 J, a5 b5 r// Call IDispatch::Invoke()0 A- b& K9 t' j+ D; `+ J, |
2 G2 R+ D% L5 b8 U2 M( l) ]2 ` hr = m_pDisp->Invoke(8 }7 ^& p9 A/ m; E) ^7 f& F0 l
requestID,
( m7 q7 a. k( c @ IID_NULL,
E- N) o, w* x. A6 w LOCALE_SYSTEM_DEFAULT,* Z* W. P: A4 H5 ]% M
DISPATCH_METHOD,
+ z5 g0 A9 _$ m: R8 Z &dp2,! x5 n: q" [% z1 f1 u
&var,& ]4 w2 b) L3 [8 U4 s
&ei,- v' i4 }% V$ C$ x/ u" S
&uiErr);% [ n) V% j+ ?/ y8 S+ ~; m
5 l7 B5 k0 L" `/ N1 x) I( X
SysFreeString(topicStr);) u; t7 h7 o# |1 V! l+ |9 d
SysFreeString(itemStr);
; G7 I) [7 q0 ~4 H& b请问该程序是获得extend里面的哪个值?. G0 l, Y5 v: V; T/ D
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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