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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:
, a# P- Y! b4 Z/ `& {1 h5 [Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (9 q2 ^! r: I6 ~# Y! N
IID_NULL, // reserved
6 k& _7 e& u7 C, ]; O; d &Name, // Array of names to get IDs for1 Y8 _1 |: r/ K
1, // # of names in the array( l) m R$ X- T& ]
LOCALE_SYSTEM_DEFAULT, // System locale
# V! F m$ w+ C, B" A &pokeID); // Array of IDs to fill on output
) F+ ?1 L X3 j' ^
1 c: a7 |% g& y. r2 x! r. z if (hr)6 c' E' h f! t: a, k- y! h
{- |9 D5 C! u" u) ^, \. E
MessageBox ("Get Poke Unsuccessful");
/ B' ^: ^$ k# ~& B. P! w return;
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/**************************传递数据给extend**************************************/% Y( m1 v+ ]: B3 E1 D Z2 L) [
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");0 o6 K: C$ Q& H3 d( ~
VariantInit(&pokeVariant[0]); ! _ Q+ w, b0 M# y( y& {0 W" H
pokeVariant[0].vt = VT_BSTR;
2 \# x- p; {& ~9 s8 E pokeVariant[0].bstrVal = valueStr;
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+ i1 d9 J. c( D; {3 p7 j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 s$ {& S/ O* ^- ^" m VariantInit(&pokeVariant[1]);
+ B+ V5 x- K9 u5 Z3 { pokeVariant[1].vt = VT_BSTR;" J* C" b3 {: P" r
pokeVariant[1].bstrVal = itemStr;- Z6 u; S/ X" H
7 {% E( \, l9 x9 D l- B topicStr = SysAllocString((WCHAR *) L"system");2 R& q9 ~* r6 Q; z
VariantInit(&pokeVariant[2]); 2 [5 ?1 {) d, ~# J7 l; h6 a' u
pokeVariant[2].vt = VT_BSTR;' b1 U2 S' s2 }$ @
pokeVariant[2].bstrVal = topicStr;
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' N& ?- ?7 S9 z% b1 y/ ~- h j// Set the DISPPARAMS structure that holds the variant.
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( i# O# V; D+ g# p2 n dp.rgvarg = pokeVariant;
b c7 B# h, \4 J* q+ Q dp.cArgs = 3;; s; c. ^' I2 j Y
dp.rgdispidNamedArgs = NULL;
* T# T1 d0 l# n. T dp.cNamedArgs = 0;8 l5 Q: n3 W+ r& T+ [3 Q/ f
0 v4 T' d+ d" x' R [3 i// Call IDispatch::Invoke()+ D7 v6 v8 Z* h" y" B- m
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hr = m_pDisp->Invoke(
/ G* G) ~1 b% c2 Z7 s7 h" i+ E$ Z pokeID,9 x5 ?- w6 b f! G/ N
IID_NULL,
, Q2 P/ n8 }* M* M! B LOCALE_SYSTEM_DEFAULT,
6 b; r$ r |* Z2 `+ m DISPATCH_METHOD,; @/ O( J1 ^. \4 X" \4 X
&dp,
$ u9 ?# O, q+ W; d. ` NULL,
6 V0 g4 y' }* H, B& w" r &ei,
; [/ r) T" w7 n0 W8 |" _ &uiErr);
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7 [5 |% e* k; p SysFreeString(topicStr);
$ u2 |. D: W7 j8 d SysFreeString(itemStr);5 i) s2 C1 S V/ B1 X
SysFreeString(valueStr);
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. ^9 u/ v3 g7 C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???
0 v1 w- l6 [8 \& E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????# p* M9 N- F- f U" n# d# \
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0 ^4 M% }+ v2 J& P2.这是request的程序
4 {) ^( Y% s) H4 I% @$ \// Request a value from Extend
. ]: }, ]( O# ^3 W( e//
3 n6 P7 H3 g1 V+ S// Initialize the variant that will hold the BSTR. Set the variant's f7 h }) S5 R- M
// type flag to indicate the fact that this variant holds a BSTR. Place the
W( z/ z4 A0 Y' s/ g// BSTR into the variant structure.
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{% E9 z7 I( V+ f& f7 S& \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ ~4 C% u# Q6 a
VariantInit(&requestVariant[0]); . G) g% F7 l/ X' v" c) s
requestVariant[0].vt = VT_BSTR;
9 y% i2 Z& G( e" O requestVariant[0].bstrVal = itemStr;
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7 F+ j* }, c$ v" _4 g6 x: x topicStr = SysAllocString((WCHAR *) L"system");; p% A+ Y0 d6 E
VariantInit(&requestVariant[1]); 0 S0 ^1 C: t7 \
requestVariant[1].vt = VT_BSTR;& q. c4 C& J9 Z" y- f) `) y) T9 w
requestVariant[1].bstrVal = topicStr;7 q" r' \6 D+ d H
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// Set the DISPPARAMS structure that holds the variant.& C3 Q# M+ V9 M! o% y" d
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dp2.rgvarg = requestVariant;
1 X1 c- W3 w2 n5 h6 T0 d dp2.cArgs = 2;
) A$ @ O1 c" i m; M dp2.rgdispidNamedArgs = NULL;
" |# b6 g/ J& Z* Q U dp2.cNamedArgs = 0;
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" k0 {4 _' S: B9 i0 E var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()7 N; F7 @ U' Q$ y3 \) [4 K1 A
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hr = m_pDisp->Invoke(! k, d Z* n: Z/ Z" h
requestID,: w F8 y; j* a$ o% n
IID_NULL,( f/ \5 Q2 p+ F* k7 G$ w8 h9 h
LOCALE_SYSTEM_DEFAULT,+ r9 x: S% L3 x J7 M }
DISPATCH_METHOD, [" d. y7 L3 X
&dp2,0 F5 o* u( v- I& h0 r
&var,
8 D# M7 i, b( i; [7 @, F &ei,
, `2 R$ ]0 U$ p: v &uiErr);
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& W. w- S, x# X; c; d. M- _ SysFreeString(topicStr);
4 O2 x2 A- u6 i. }! H m SysFreeString(itemStr);
! r* Q/ k, g% \6 b: e4 b6 v请问该程序是获得extend里面的哪个值?* w1 G7 f' }7 j+ N U- L$ Q
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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