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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:
7 i$ Y5 u' J+ iName = (WCHAR *) L"Poke";
% `$ J% E4 i, @3 o# Y& d ( O, k; `9 ]' W' n
hr = m_pDisp->GetIDsOfNames (( g' @1 u1 o. W2 b) Y8 q/ A
IID_NULL, // reserved
0 j& O8 k/ B, e. q) H& h" d &Name, // Array of names to get IDs for* [7 W. i9 N4 z8 L
1, // # of names in the array5 ~0 w3 K3 m" V
LOCALE_SYSTEM_DEFAULT, // System locale
' _8 P$ S% [& d9 `2 N &pokeID); // Array of IDs to fill on output& G6 C; j- q1 Y5 W) a6 A% m
* F/ r5 Q- O6 s/ r* e4 {
if (hr)4 X+ M) M8 B; s2 `6 l
{0 I5 ^- Q$ z: i' l. P
MessageBox ("Get Poke Unsuccessful");
1 T6 I4 Z! R( ^, x4 t; D, o return;
' D0 z, ^. z) ^* S1 F) A" n0 B }8 g3 z" ~$ U3 j# E3 T& Y% m
/ C5 I3 v1 F( N* C) i/**************************传递数据给extend**************************************/
( N/ _7 `" y6 K+ ]) @& r( Y9 W pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
* b9 Q0 l" U8 K# }' R, S, R + L* r$ d/ b$ X( t! @
valueStr = SysAllocString((WCHAR *) L"1232");( Y9 E. O; C1 t
VariantInit(&pokeVariant[0]);
$ b# q$ X( N% I1 T8 {) T pokeVariant[0].vt = VT_BSTR;" u- j- B7 i, h
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 }9 w# Z5 Z$ X
VariantInit(&pokeVariant[1]);
6 A# C3 w$ t5 n5 ?% ^ pokeVariant[1].vt = VT_BSTR;
( {/ J @3 g* w! A! G pokeVariant[1].bstrVal = itemStr;+ r% E8 U5 k6 |) r
2 g" \3 @& h, j, i* r6 f topicStr = SysAllocString((WCHAR *) L"system");8 A& W) e6 ?$ {1 {2 Z
VariantInit(&pokeVariant[2]); ( R' ~. {+ x3 ~
pokeVariant[2].vt = VT_BSTR;
8 E: B8 B# b7 V1 R6 P2 S, O; s pokeVariant[2].bstrVal = topicStr;
$ J/ r% X j- U2 X L2 Z+ s7 ?9 D2 l3 _9 V& d
// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;( Q( a1 U5 R* L E
dp.cArgs = 3;1 O1 H, }0 [3 F$ e
dp.rgdispidNamedArgs = NULL;5 z2 q: x$ A0 c: d$ C7 M6 L# S* {
dp.cNamedArgs = 0;: P$ m" M! i9 D3 Q' D* k. C! t( G
* |( `3 J/ E1 y
// Call IDispatch::Invoke()
4 L% g9 q+ R" ] ]% z; S
2 u# M' u) M7 N% X# T1 |8 R+ s hr = m_pDisp->Invoke(
1 Q3 N8 v/ K7 g4 J3 j5 e pokeID,. w3 `2 M" D7 X$ z- E: t& ]
IID_NULL,
/ ]: L( O4 A% W* _ LOCALE_SYSTEM_DEFAULT,
2 Y, p4 X2 i8 M: N( H5 J. X% ^ DISPATCH_METHOD,9 i0 C- K5 m0 J# E
&dp,
/ O Q2 s! h: e3 }$ L0 I6 @& h NULL,5 F$ i, u6 p8 i& X K% J6 d
&ei,
! i* H- @$ Q2 X. \# }6 u6 m &uiErr);
. Q( i/ ?! O1 o9 `8 w" X; d9 h, T2 ]1 T
SysFreeString(topicStr); p0 V$ g% u; e- y0 S1 I( }4 W
SysFreeString(itemStr);: O1 j7 n# o) s! R5 i- G+ F* v7 a7 ~
SysFreeString(valueStr);8 `8 |& b: r8 k' t3 o7 E
; s* t/ k: c$ \: l! v
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???
+ Z, a, h g1 W/ |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????
2 Q9 V( _. {8 I9 U7 W# i- x$ j3 ]& A7 t8 o) E) @2 L+ S7 l
' g8 ~/ U6 }2 i
2.这是request的程序) d# F# l* o/ Q% C! T- U
// Request a value from Extend
( _6 G: ], w( H//
& M n& p( j6 Q0 B4 u( c// Initialize the variant that will hold the BSTR. Set the variant's( ?; E& @" c% Z7 z, v4 y
// type flag to indicate the fact that this variant holds a BSTR. Place the2 Z2 I1 ~: {& F
// BSTR into the variant structure.
# a5 j8 `, ^; n' ?' V* E5 w
& V/ W& B" L# g: T& W& s- E0 N requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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& [% o$ T, }+ ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: j T! i+ C: l9 n, U, M VariantInit(&requestVariant[0]);
9 q# ]/ f4 W% l# U/ c3 M requestVariant[0].vt = VT_BSTR;
1 l; n) H8 ~2 u: ~- F; _ requestVariant[0].bstrVal = itemStr;
K. C3 m7 j' Z* F0 x4 X, E9 i. y" c: t8 y& b/ k! `( N$ l, ]
topicStr = SysAllocString((WCHAR *) L"system");# n1 m5 O& t m [6 Y
VariantInit(&requestVariant[1]); & p0 E! M) E3 M
requestVariant[1].vt = VT_BSTR;2 {( M" ~7 ~% P S9 m ^
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ t' z/ d3 x1 i! q
& I8 p& O# I2 L1 @1 ]
dp2.rgvarg = requestVariant;
: Y9 U% f+ N2 G; y' F3 P d dp2.cArgs = 2;% o; J& B# g8 J" d0 j
dp2.rgdispidNamedArgs = NULL;, ^ i9 ?% |2 V- o3 r, o- E2 w
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;! E; |4 T( m& s9 q$ S
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// Call IDispatch::Invoke()) N5 l5 J. o L# c
9 @3 V7 {) [. W* k( H6 x1 r# _$ s hr = m_pDisp->Invoke(
$ U1 |+ T0 H8 K requestID,
+ g" L' _9 D# F* v- H! Q4 m IID_NULL,
! a6 h+ t) ~1 A: {# B& B) g LOCALE_SYSTEM_DEFAULT,
- e9 Q* H7 w; f" K DISPATCH_METHOD,
" Y8 h# X( i i; h! [+ _$ A &dp2,
+ Z, a" J# z! b: y/ u( `: } &var,
: {# r2 R1 t7 f/ U0 f2 Z3 G &ei,
! U/ i7 a: i( g7 o0 [& d &uiErr);
- K$ H, ~ A" Y4 d+ m% [
* D4 v, L2 Z& u8 ~' U* r SysFreeString(topicStr);
$ x6 }+ |$ m$ w! U4 n1 R: } SysFreeString(itemStr);
0 g {' P% e6 Q' o0 z" B请问该程序是获得extend里面的哪个值?
" Z: c/ N3 M. C1 X8 z$ v5 d& H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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