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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:
3 ~1 L2 i: w* q' S$ N0 p* DName = (WCHAR *) L"Poke";
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, c9 `+ J; U' X) U6 T hr = m_pDisp->GetIDsOfNames (' Y! \% I# e6 h g+ e
IID_NULL, // reserved1 g8 o0 F. b. @9 L& o
&Name, // Array of names to get IDs for8 ^/ y( M/ }5 n4 a9 T
1, // # of names in the array+ K# N! |" G- R' j: E2 k/ l
LOCALE_SYSTEM_DEFAULT, // System locale
4 A, }* A% {8 c9 r F9 m &pokeID); // Array of IDs to fill on output
: T7 \$ b# L! t- v
! X5 k z0 k7 {. t: F: U3 w0 p8 `% E if (hr)
! X8 L9 o! i6 h4 m+ y8 D/ }! }$ s: d {
' n2 N% r( \6 A$ X$ J MessageBox ("Get Poke Unsuccessful");3 \+ @" ]$ ]9 C G& V) F. ~0 x; J
return;
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/ S" ~; z! d& a, O ]/**************************传递数据给extend**************************************/& r$ K$ z0 {6 v% X/ v1 m: o
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ D I/ O$ W' I. p
5 N% ^, l$ p m O1 m: s valueStr = SysAllocString((WCHAR *) L"1232");: ~$ z- P3 x. L9 o: b
VariantInit(&pokeVariant[0]); % Q( }; c2 c3 L2 B# C2 S9 ^
pokeVariant[0].vt = VT_BSTR;: s/ F. A# d I5 Y) S
pokeVariant[0].bstrVal = valueStr;( B8 F+ F X6 {, Q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( Q, Z n% h- L% ]8 ^ VariantInit(&pokeVariant[1]); ) }+ N' I0 W$ z6 x1 [
pokeVariant[1].vt = VT_BSTR;
3 \: ?8 J+ s) I/ F( k1 o pokeVariant[1].bstrVal = itemStr;' e2 Y( [# H" y( ?3 N- w
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topicStr = SysAllocString((WCHAR *) L"system");
- S% i" p5 z- b/ ? VariantInit(&pokeVariant[2]);
5 W9 ^& g# R, Y2 U pokeVariant[2].vt = VT_BSTR;
7 ^5 }% l. u7 L7 Y1 s j pokeVariant[2].bstrVal = topicStr;
% |6 @( {$ O2 X! R5 X2 J0 n
8 |, n) H( N" c0 {% A// Set the DISPPARAMS structure that holds the variant.4 B( H$ n$ n2 ~( ]% X
5 B* l% X$ z# e2 I0 F' ? dp.rgvarg = pokeVariant;
0 K' w8 q4 Y: u0 }( p3 V' } dp.cArgs = 3;
/ m& l9 t; u- |+ s- V dp.rgdispidNamedArgs = NULL;
# u6 t" ^4 X' |1 b, @ dp.cNamedArgs = 0;: L& e, @" R4 _; k1 ?9 V' q. F
) ^- n7 a1 e4 i' s4 a6 G// Call IDispatch::Invoke()
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' ~ F$ \' ?- t e5 w hr = m_pDisp->Invoke(" o6 [7 W# Y; s D" Y; R
pokeID,
' T% ]7 \# d6 W0 i# _, t IID_NULL,& v2 }; l! }) u6 b$ d* m
LOCALE_SYSTEM_DEFAULT,
) N* _! v: M: H2 u6 {6 J DISPATCH_METHOD,
& ?, G( {) Y$ E/ z I/ t8 x- P &dp,. `4 [( d7 {6 Q. B8 [4 A
NULL,
! ~! E1 ~$ w( h1 M &ei,
6 z: j/ Q5 f) `6 T2 _& ? &uiErr);
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SysFreeString(topicStr);
/ ` D: h: b0 z& ]$ v SysFreeString(itemStr);
! t q- \0 X2 |5 Y; ] SysFreeString(valueStr);
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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???
6 G; `5 M$ O+ \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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. b! O& Q1 n8 c3 T* q2.这是request的程序
, a7 X4 _: Y- V5 H// Request a value from Extend( o! Z9 S3 `- z7 U& A/ [
//
' x4 g5 B# V( J/ z, h2 j1 |2 Y" E// Initialize the variant that will hold the BSTR. Set the variant's d) ^; u% ~2 D) q) [
// type flag to indicate the fact that this variant holds a BSTR. Place the
$ D0 _1 L- Z1 x// BSTR into the variant structure.
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7 n5 R+ Z/ a+ y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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! _ n5 P, o1 Z; d9 H: W1 f" {7 q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ I; J; e& c- U! N+ N& Y
VariantInit(&requestVariant[0]); ; n* C0 k1 ~" a- p7 M. g
requestVariant[0].vt = VT_BSTR;
# e6 ?* M, ^4 W% U( P, X requestVariant[0].bstrVal = itemStr;5 w* a/ Z' \" V# j1 p8 y9 d( @' l
z; d* N/ P! z) |1 o7 [# n topicStr = SysAllocString((WCHAR *) L"system");' _/ S, B0 u6 @# H l g
VariantInit(&requestVariant[1]); ! P @& Y; Y: T/ ~. Z
requestVariant[1].vt = VT_BSTR;
: C6 U# }" y6 s3 S! \! u: J1 C. C% J requestVariant[1].bstrVal = topicStr;% Z' n5 x: ^7 r/ {/ d
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// Set the DISPPARAMS structure that holds the variant.
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0 q# D& x1 e8 Y2 ~; A, r3 x7 p dp2.rgvarg = requestVariant;
5 O. N3 @% |0 H% W7 ^# V% G9 G dp2.cArgs = 2;
+ o1 S0 S2 _$ R& v dp2.rgdispidNamedArgs = NULL;, J, `( y7 H" V' L# a- |; C1 L
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()/ p v. l `( E, M9 p2 M Q/ P" |
% z/ O& D8 A& w5 O, {' q/ ^: C hr = m_pDisp->Invoke(" b+ O1 P3 J- ?0 ]) J
requestID, R; ]' G$ i9 N
IID_NULL,# ^$ e- G2 F* `
LOCALE_SYSTEM_DEFAULT,
; K' n' p+ W' \$ D1 k DISPATCH_METHOD,
6 U. |! ]1 }3 Q+ a) W5 i &dp2,1 g( j, I; ]( U c$ F( E
&var,' e$ @# n/ L! X" A, X
&ei,0 C' e/ O9 Q& P2 W; X' K5 o E4 E
&uiErr);
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8 _& b2 v, s2 Z/ R w9 D- I SysFreeString(topicStr);% T! W" q7 T7 n; m
SysFreeString(itemStr);
+ J! v: w2 Q9 \( g/ V请问该程序是获得extend里面的哪个值?
+ v1 y; V' D3 q I8 h8 L0 ~. J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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