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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:) T* D$ {5 n4 q# J9 Y9 N
Name = (WCHAR *) L"Poke";5 V! D- o# f5 j o g2 l( T, t
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hr = m_pDisp->GetIDsOfNames (
" F+ k; l) B. |: B- f# |# Q IID_NULL, // reserved
3 n: M- a- P" z, E &Name, // Array of names to get IDs for8 a# O# G: |- B6 F
1, // # of names in the array
6 C* e3 @/ l9 A/ p: e9 L- I LOCALE_SYSTEM_DEFAULT, // System locale
% g0 s3 }' C" L V &pokeID); // Array of IDs to fill on output1 v9 S0 x. o% P5 [* ?
+ Y8 g: O" `% ~! h8 H if (hr)* {7 F q9 H7 U
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MessageBox ("Get Poke Unsuccessful");6 Z5 n$ d+ v6 d6 e; u' E
return;
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, z8 m4 U5 k, J2 j: j% G/**************************传递数据给extend**************************************/
2 j( F T& N- A' w, e pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
A# r7 f) t$ B7 i
0 v& H$ q3 M3 n! S' z+ U valueStr = SysAllocString((WCHAR *) L"1232");
5 `2 u' h) s- c* N4 b VariantInit(&pokeVariant[0]); $ s- G8 q/ ~5 Y' R# C
pokeVariant[0].vt = VT_BSTR;% L! d- i7 |2 K3 g, T
pokeVariant[0].bstrVal = valueStr;0 L2 t% r1 O2 Y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 A# O5 b6 v* u4 Y VariantInit(&pokeVariant[1]); 9 Z s7 I& h, y5 ]; g4 n
pokeVariant[1].vt = VT_BSTR;
' O2 X- J5 O- L6 `+ O8 t0 ?5 ] pokeVariant[1].bstrVal = itemStr;# Q+ U" ~! `: e" F4 w
4 N7 L, y/ a3 _. H0 `9 B topicStr = SysAllocString((WCHAR *) L"system"); L! U% F# W/ S- Y
VariantInit(&pokeVariant[2]); 9 o t. |1 l" c) c, `
pokeVariant[2].vt = VT_BSTR;9 J/ m8 q% |- G" k# d! X$ f0 m
pokeVariant[2].bstrVal = topicStr;
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1 V7 T5 V9 B8 S+ D8 t// Set the DISPPARAMS structure that holds the variant./ y- ?9 c* d1 }/ p& x
- L# j) R/ O/ p. B7 d1 _. s dp.rgvarg = pokeVariant;4 F' y3 I! B2 I
dp.cArgs = 3;
; k" j9 L: v) C' p& l5 X dp.rgdispidNamedArgs = NULL;# X$ Y& |) A$ Y- a' ]
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
+ w( B+ J* w3 P. U$ I4 C
+ k( J( p* }/ q) I4 e4 `# S hr = m_pDisp->Invoke(
) k# r. e7 T7 {& \% y( L pokeID,
7 @& E5 K) r! C1 l IID_NULL,
+ P& |9 |' i) H LOCALE_SYSTEM_DEFAULT,
5 X! v2 C* S' G, U/ L# C; L DISPATCH_METHOD,
+ q; K; \1 u2 f9 I5 B &dp,6 ^" J4 ]6 w: Y: [' X9 ~
NULL,+ v' j2 F! y! |' f" J
&ei,' j1 ^( _% y2 U4 Z/ y
&uiErr);
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2 M7 B, L! ?6 r5 Q) E( J' O1 t8 ? SysFreeString(topicStr);
# a* ]9 m+ m. z0 V- _ SysFreeString(itemStr);
6 j- l$ ]6 m% I* K- X. J- p4 t SysFreeString(valueStr);
; a" ]$ P0 E( c- k
' \4 u: X; [% o, Z5 ~0 D& D. ]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???, ] e' }6 G v; H5 T
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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2.这是request的程序( E# S3 Q$ \4 w/ s9 q S5 G6 ~) p
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's9 o- f: E E# l3 Q. ?* z3 X
// type flag to indicate the fact that this variant holds a BSTR. Place the
9 m4 A+ S# j0 \5 d1 u- Y// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" [+ B$ S; v7 L' z( ]" s
VariantInit(&requestVariant[0]); 8 {! c0 S1 i; O2 O& p: M4 z
requestVariant[0].vt = VT_BSTR;
1 R+ T' T: I2 [7 S' s+ R requestVariant[0].bstrVal = itemStr;
" c* X- g1 A/ A0 p- n4 x" W: ?; g4 C- U* W* t0 c9 b. C
topicStr = SysAllocString((WCHAR *) L"system");2 y6 K6 `5 l3 }# B8 K( X2 e/ p
VariantInit(&requestVariant[1]);
: f7 |) o. \$ Q" d% M requestVariant[1].vt = VT_BSTR;
% f' z- u6 M( L z1 k8 c3 x. {. f requestVariant[1].bstrVal = topicStr;
# E( O0 R$ z6 O$ b! ]" j
( k' q. {4 l5 r4 p// Set the DISPPARAMS structure that holds the variant.* `; q" t& {0 K8 J4 R" s
. ~/ L6 ?: r0 w; ?% X
dp2.rgvarg = requestVariant;
# `7 O* W- l- l: T dp2.cArgs = 2;: b; T% g9 Y5 c' r' Y
dp2.rgdispidNamedArgs = NULL;
$ \8 N" W. U. ? dp2.cNamedArgs = 0;
# }8 Y" q* c# G: K" ? h4 @( m( l$ o. O- _1 o# M
var.vt = VT_EMPTY;* j8 T* b8 j- F3 I: V2 |: ?
* g+ y; T: G K+ N6 s// Call IDispatch::Invoke()
" C3 a* D7 o# s$ ~( ~
9 h! K' {+ M/ W hr = m_pDisp->Invoke(
; o, E" [ Z8 X! y! q* D requestID,
9 A' J+ }% s/ ~: h8 c3 X IID_NULL,# G; e! v; s$ G( D
LOCALE_SYSTEM_DEFAULT,
+ n; s9 H0 _- i% n4 q DISPATCH_METHOD,6 e' C+ p7 A; c3 l+ s8 S# ]" F
&dp2,
: }1 ^+ O4 g; P6 S3 P ?, t# k. @ &var,
6 r- v) ~, |; J6 d p8 e- Z O$ T &ei,
; e; E% R4 v6 g9 O &uiErr);
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T' Q9 T/ |8 q5 v6 [ SysFreeString(topicStr);; ^% `7 W4 V. }
SysFreeString(itemStr);2 O; V4 Q# B1 q5 f
请问该程序是获得extend里面的哪个值?
7 E/ X" G( t9 ]$ K8 x3 K0 y; T. U$ V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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