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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:
" }# i3 J- f/ l, ~8 h9 I* rName = (WCHAR *) L"Poke";! r9 |. I0 n% D" q& J- \3 |3 K, E
- Q% w7 N# p$ z: K hr = m_pDisp->GetIDsOfNames (
$ {% T+ k0 w1 n+ C( ] IID_NULL, // reserved3 W7 |) F8 b1 [. Q( a' R$ H
&Name, // Array of names to get IDs for
8 @' y0 r2 e# y% r& k2 c% T( y 1, // # of names in the array
7 r; n7 g: {. k4 ]# c! A( s LOCALE_SYSTEM_DEFAULT, // System locale0 q7 `) \) N. i. g% @, K
&pokeID); // Array of IDs to fill on output
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6 v% X0 z! B3 O S if (hr)
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MessageBox ("Get Poke Unsuccessful");
& Q5 r8 R1 G) r return;" S: y q$ A: G; Q) O% {' X6 U
}
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/**************************传递数据给extend**************************************/, m2 ?# c/ E* Y1 Y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# b: S/ d# s4 z/ o9 X0 d5 ]6 u/ L
+ K8 j( H6 T: \! r Q0 I/ ~
valueStr = SysAllocString((WCHAR *) L"1232");
) t9 S3 `& \: `" B$ l" V: ]8 P; p VariantInit(&pokeVariant[0]); - |7 [' y- f( }1 M) C, U
pokeVariant[0].vt = VT_BSTR;
1 J) f( H9 [2 x6 k$ A8 E pokeVariant[0].bstrVal = valueStr;
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- M. m, r B) {0 f2 w! l. p4 p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 o- M5 D. e3 k9 J% G# z& o+ d
VariantInit(&pokeVariant[1]);
$ y7 ^0 h- r$ E pokeVariant[1].vt = VT_BSTR;
8 h% L/ z. g) y9 h) z e% u pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
0 c4 p& f9 U- Y- r VariantInit(&pokeVariant[2]); 2 s1 P. r( k: x4 w, k
pokeVariant[2].vt = VT_BSTR;
6 F- ?% b% h# t" {# k pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.* ?/ D4 h, q# w6 X
3 [& a. {3 @5 r- {: P dp.rgvarg = pokeVariant;
/ X" O7 d) o1 o. j V dp.cArgs = 3;9 j) e& ?1 O$ l: d+ g% j' }
dp.rgdispidNamedArgs = NULL;
. F/ T5 Y+ P0 B5 p, ^ dp.cNamedArgs = 0;% Z5 o5 H' I- J
4 m* s% D+ m. R7 O// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(+ a2 J4 O m6 c9 F
pokeID," }) e3 ]+ L/ G6 b5 F8 A
IID_NULL,/ `/ ]$ ~& @$ T/ x8 f: L% j/ n0 n
LOCALE_SYSTEM_DEFAULT,4 v- t2 j: ~; }& q: b& h# b; m
DISPATCH_METHOD,
! [% t3 e1 y8 J &dp,
6 }1 T n5 L. x; R9 L NULL,- s2 U$ N! Q9 i) C. @9 p
&ei,
' k& q8 y* I7 d3 A &uiErr);
, b" b! V4 l3 _
, h4 Q7 A$ ?5 C, G% n1 J+ @ SysFreeString(topicStr);
# [) ], F/ C/ h0 c! y+ N3 H: m& T1 M SysFreeString(itemStr);* A7 M3 k7 V, V2 X# U
SysFreeString(valueStr);/ c1 G; v1 K0 R3 J+ v* \6 D1 D# P
% q1 C7 ^3 H2 ^! 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???+ J; C7 p) m( ^ |+ B2 Q9 C
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????3 n5 }+ L! ?# H4 C1 s% R; I, u7 K
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2.这是request的程序
' f! w) A/ k6 w- B7 o4 M" _$ G// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's1 U6 ?5 r; v: E$ e1 J
// type flag to indicate the fact that this variant holds a BSTR. Place the5 Q" O0 K& Y1 l9 S j& d
// BSTR into the variant structure.( {& V3 \( r$ x+ A/ |, ]/ v* L
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& M" }3 ]1 F% F s- u/ W
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 f" {2 F8 L* l3 n
VariantInit(&requestVariant[0]);
3 R( T; p( }5 L. Y6 B4 J0 a requestVariant[0].vt = VT_BSTR;' Q% Q& ^0 z0 w8 e5 ^# u4 Q
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
7 S; C( Q' I+ }7 j; ^ VariantInit(&requestVariant[1]);
% ]6 W; L/ ?, k" j9 J requestVariant[1].vt = VT_BSTR;
3 q1 Y6 \7 s& R- E requestVariant[1].bstrVal = topicStr;; `) X. M" q5 @4 F2 W
+ L& C- D4 l M* h& ]// Set the DISPPARAMS structure that holds the variant.% y+ F1 R2 ] v+ W
$ [$ O- E7 `8 p6 i dp2.rgvarg = requestVariant;. J9 u+ \2 M- M S' ?
dp2.cArgs = 2;: T3 d3 E* |2 h. W2 z2 d4 _- p3 k
dp2.rgdispidNamedArgs = NULL;) T: k% Y8 `$ F
dp2.cNamedArgs = 0;
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8 T P6 R4 N$ g& X! O var.vt = VT_EMPTY;
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& `+ r" U' o9 T3 r2 L// Call IDispatch::Invoke()
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e; b: O( ^# j* b& \$ B$ e hr = m_pDisp->Invoke(- U0 \4 ~) L% [
requestID,/ X/ Z G/ |+ B* d% x
IID_NULL,
& r# F6 l! ?. m0 e/ B0 ~- K LOCALE_SYSTEM_DEFAULT,
, E5 I) I# j0 i2 g& H6 x% W5 t DISPATCH_METHOD,
6 ?; g: q* Q: H# b &dp2,9 @7 g4 G! a6 J" J1 z4 A
&var,
& b: u) ?* t) e) Y; ^ &ei,
! G; q! ?+ ] s, @; \ &uiErr);- X) z, \: ?6 p# q9 {- B2 B# x
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SysFreeString(topicStr);
; i; j8 ^4 ]' j% { SysFreeString(itemStr);( W! F& D6 w3 w# ^# x2 ~
请问该程序是获得extend里面的哪个值?
6 \# m/ {: ~+ T3 ]# G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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