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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:
5 u+ g* n t {6 J0 V6 [% p4 pName = (WCHAR *) L"Poke";
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?% \2 B0 U0 X3 F hr = m_pDisp->GetIDsOfNames (3 M; R% y- T$ r) x) I/ F* D+ k
IID_NULL, // reserved
! k& k: E# E1 V" Z2 W( k &Name, // Array of names to get IDs for
1 U: X7 B3 E1 r; g2 ^% o 1, // # of names in the array) F- v6 f) [1 r5 v. [& I
LOCALE_SYSTEM_DEFAULT, // System locale8 F* \ ?2 G! p
&pokeID); // Array of IDs to fill on output
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/ D- R7 H1 Z+ x L7 K+ u# ? if (hr), d8 M. S4 `5 q3 {+ H. X* d6 J
{( ?' {( e* U+ q, G8 A! S" O y
MessageBox ("Get Poke Unsuccessful");
! Z2 O' t" \: L4 U& R return;2 J! ~: K2 _; [
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/**************************传递数据给extend**************************************/+ m4 g) i9 l. a& H" V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 m/ i) |7 W% n' Z
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valueStr = SysAllocString((WCHAR *) L"1232");: k* {9 K8 Q1 X7 |
VariantInit(&pokeVariant[0]);
5 ?5 g, P! \/ N6 m$ y' ]9 l pokeVariant[0].vt = VT_BSTR; |" c: j3 c8 J( r6 }9 W: v
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* l8 @$ h/ b# R0 t) e6 [4 q VariantInit(&pokeVariant[1]);
2 Q; N# d, J( s+ m2 l8 _- u* o2 v pokeVariant[1].vt = VT_BSTR;
$ `. D- ^3 }3 z9 S) p$ V, d pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");7 T3 g: \0 _9 r: U. L
VariantInit(&pokeVariant[2]); ! D6 V" I. K5 j3 o; n5 _! \
pokeVariant[2].vt = VT_BSTR;
0 _/ r. c) z% F" {6 i3 \+ X# | pokeVariant[2].bstrVal = topicStr;- A" u# F- n. Y9 N
0 p% Z# [+ s! Z7 i# y// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
8 D2 i2 R9 T3 y8 M' x dp.cArgs = 3;- v4 E& M) r2 o! P. \5 R
dp.rgdispidNamedArgs = NULL;; {: f5 X' ?6 S- R+ o( ^- I
dp.cNamedArgs = 0;1 G3 V! z, T1 {2 K3 ]$ v; N
4 t1 J: L) _% O$ i2 S# u// Call IDispatch::Invoke()+ p* p4 o4 |/ x
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hr = m_pDisp->Invoke(- Z1 |& ]! Q9 X$ Z
pokeID,; Q u! I4 @5 |! R
IID_NULL,! F- h9 }: Y4 }8 D
LOCALE_SYSTEM_DEFAULT,% C$ z- R& ?9 }. t; z
DISPATCH_METHOD, t9 ^4 @# }9 g1 h& a5 ?, ?2 i
&dp,, t, b! y7 F, F; n) Z
NULL,* `& N! f' z6 N. T
&ei,
% p4 S2 D" N) K1 a \ &uiErr);. ~1 \$ q; m( a2 ]8 w
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SysFreeString(topicStr);
* c) @" w8 R) e, N5 E9 k! ] SysFreeString(itemStr);) }7 ?8 d+ X2 e0 t
SysFreeString(valueStr);
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) W6 j: `* z6 F, [/ W, y) i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) @% ~: ?8 ?) Z3 K
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????
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/ ?% a. I' f3 T1 P2.这是request的程序( ? i. g4 v7 w0 y1 ^
// Request a value from Extend( l l- z% ?' F
//
# \/ X8 R) I: O6 h% ^// Initialize the variant that will hold the BSTR. Set the variant's6 `. v4 c5 x4 P ^% D; i6 d: i
// type flag to indicate the fact that this variant holds a BSTR. Place the- z5 |* ?3 g3 S9 x
// BSTR into the variant structure.4 r& U! V; x! Y6 I3 X
1 h- u. S' k5 a" ^& a. c requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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( g1 V7 k3 B( F! ]+ K* ~1 ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; p+ b3 `, F( @, Y2 A0 a
VariantInit(&requestVariant[0]); k" V! v2 L) J: d4 ]
requestVariant[0].vt = VT_BSTR; T: d0 U% z$ K7 I3 i2 S& p0 K
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
! b- B' ]; e4 x3 v$ L+ r7 P VariantInit(&requestVariant[1]);
. _0 V( F0 i* E1 L3 T requestVariant[1].vt = VT_BSTR;
. j* s' z3 ?) C# K* D1 M4 b requestVariant[1].bstrVal = topicStr;
3 u. @' p0 Q M- P% R# U
5 H* m3 n! k/ ^3 X2 Z3 F( M- `// Set the DISPPARAMS structure that holds the variant.: ]! z3 ~$ G5 f; B8 W d/ z
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dp2.rgvarg = requestVariant;1 A2 V" s' o8 t7 c# v6 d! D. D1 \
dp2.cArgs = 2;' w1 y& C: h, O9 { U4 K, q2 Z: [4 p: O
dp2.rgdispidNamedArgs = NULL;( m# {4 f1 j* u* S5 U4 c
dp2.cNamedArgs = 0;+ G( h% D5 L+ J3 n) J# ]
- k. c3 R9 o; a) n var.vt = VT_EMPTY;
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* S* O9 i! p& v, I6 O5 u// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke() W1 V6 p; s F
requestID,) e4 [3 P. s- T" E. s9 r
IID_NULL,
4 }! w" D/ i |" ` LOCALE_SYSTEM_DEFAULT,
& }2 z8 d& R7 F4 o! D5 n DISPATCH_METHOD,
0 @) T; {5 P3 V: u &dp2, A/ s! I( _4 h9 f
&var,
- C; n2 k' H+ T( i# o &ei," T) U" u1 K& p" k5 g* |5 C, H0 A7 y
&uiErr);) w# j- |# j! u8 j9 ]
$ o$ r2 j+ H2 Q! ]6 i g2 C2 F9 Z SysFreeString(topicStr);% y" R5 H2 R; o& A
SysFreeString(itemStr);
' X9 ]7 ^2 z" p: J h. X4 U; u请问该程序是获得extend里面的哪个值?
6 ?) O J/ i$ F6 N" G& g; 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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