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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:% }6 u e2 l* K, Q( s& _* G
Name = (WCHAR *) L"Poke";
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' d' t1 `+ Z* y2 `0 [% H# l hr = m_pDisp->GetIDsOfNames (
- ^( K5 J2 X4 g# Q4 L/ l IID_NULL, // reserved
* ~4 N9 Y+ n: E( m; p, i &Name, // Array of names to get IDs for& b0 D: [" F# A% R4 C2 W( N
1, // # of names in the array4 J. L% M$ T, f6 C: M
LOCALE_SYSTEM_DEFAULT, // System locale
2 Y* f' b1 @8 u( r) u &pokeID); // Array of IDs to fill on output
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if (hr)
1 A; {$ \: h9 h2 k# d$ H- m {
5 z/ ]7 c6 f, m0 P# n MessageBox ("Get Poke Unsuccessful");4 l+ i2 M( V( a# G9 V
return;9 G; @8 D$ F5 U* J$ ~
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/**************************传递数据给extend**************************************/
" q4 S( L" O+ T9 B( z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");" S1 t' F5 g. U' U+ I8 s/ D" T3 P- b$ j
VariantInit(&pokeVariant[0]); * E# i0 E" }, ^8 U& A! b1 Q
pokeVariant[0].vt = VT_BSTR;/ r" L/ R0 [+ Z# h, `5 k3 E/ W
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 h* Y* p4 k% Q# M3 Z9 ]/ o VariantInit(&pokeVariant[1]);
2 y g5 r5 K: S4 B: K' f8 h5 ~ pokeVariant[1].vt = VT_BSTR;1 G ^( E9 f$ @: G' h
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
% R3 n9 n* p% [ u6 m$ L VariantInit(&pokeVariant[2]);
' H E- U1 j3 J3 E pokeVariant[2].vt = VT_BSTR;# N( S( |* k* L0 ^2 @' P) n
pokeVariant[2].bstrVal = topicStr;
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- C* s: ?9 z! ]// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;% G7 v# v" l! \6 W
dp.cArgs = 3;; ^8 b* E- ~7 q& i8 h) N" ?
dp.rgdispidNamedArgs = NULL;
h$ y% b% `) F% [" }! P dp.cNamedArgs = 0;
# d& z. |, p3 k8 n* D2 B$ q
5 c) A8 F b: @ s// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
2 N# L3 I: h" b& f pokeID,
7 U0 }' G# W( {9 B: u2 n IID_NULL,
& ?" s2 X- Z! d: P$ q' ^, T LOCALE_SYSTEM_DEFAULT,
' ~) R, y' [! M9 T/ b DISPATCH_METHOD,
0 v7 ]/ x3 R$ T* | &dp,
5 w# c7 j% v$ X NULL,
( t/ Q! H9 x3 _- W3 u, s0 [ &ei,2 b! `. T; B/ D9 t% h" j
&uiErr);
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SysFreeString(topicStr);
+ b. S! D: t" U9 u1 F- u" a SysFreeString(itemStr);
+ ~! Y4 Z- `0 f SysFreeString(valueStr);
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, K7 J1 k/ E e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???% `4 B8 m' X, X: D: `
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
+ \: t) V# Y. P) J% K2 O// Request a value from Extend6 v1 l1 [3 Q& d2 D. X" t; s
//
% z- ]1 ^) R* M$ s5 |8 \% ~$ @ k- {// Initialize the variant that will hold the BSTR. Set the variant's- x O3 n/ |7 ^: m- R+ e: p& r* J# [! {
// type flag to indicate the fact that this variant holds a BSTR. Place the
?; N; s q; o, o. k3 O2 ?. q2 o) [// 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");6 l& ]2 m2 d5 G- j$ l+ I" L' D( Z
VariantInit(&requestVariant[0]);
7 H7 F/ n! u) I( S9 ] requestVariant[0].vt = VT_BSTR;
, r7 @. a3 r- l$ G6 G5 d requestVariant[0].bstrVal = itemStr;$ K% a3 N8 Q6 _% m# m; [
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topicStr = SysAllocString((WCHAR *) L"system");$ n, L! j( H7 B$ J2 e
VariantInit(&requestVariant[1]); + \" Z: P V% M3 w$ I( ~
requestVariant[1].vt = VT_BSTR;& _* x n) x1 w" i+ N3 L
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.# J% X6 G7 a7 i* q
: W$ r) x; R/ {5 F9 G" @ dp2.rgvarg = requestVariant;
$ N) n# Q! c9 M! U" W dp2.cArgs = 2;
% L% o* m5 E* s0 U/ ~$ d dp2.rgdispidNamedArgs = NULL;
0 e6 G! o$ L1 B- C3 H/ m dp2.cNamedArgs = 0;5 {! r. |* P& C. u" U
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(), A8 F9 x! b0 c5 ^6 G) U6 O: ~
4 }4 {' m4 n6 b& B* q hr = m_pDisp->Invoke(
) E3 k `8 L4 V6 R8 w requestID,* W' ^; B3 `% J- g6 p
IID_NULL,2 J, @ y0 f; e* s$ O0 Q$ }
LOCALE_SYSTEM_DEFAULT,! T% Q% ^$ \7 e0 Z- K9 H8 l- S
DISPATCH_METHOD,
( L$ t, T/ g2 Y$ K &dp2,& i+ [; y1 w3 F% Y- e5 l; |1 u
&var,: ~* Q4 Q* L, @& V
&ei,
: E2 Y( ]) Y9 W% S0 z4 T &uiErr);9 I1 |! _) C+ k" Y0 S8 E+ z! ?# r
z9 |" b* q% a# F* z. c3 a. S
SysFreeString(topicStr);( [) M7 d. }5 T2 H
SysFreeString(itemStr);: s/ ?, c& M" \' E
请问该程序是获得extend里面的哪个值?
1 s6 Q" m" c* G: [! b7 W2 A; A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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