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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" }0 c: M kName = (WCHAR *) L"Poke";
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" K( H2 D$ \% V5 T* y3 f. W hr = m_pDisp->GetIDsOfNames ($ l e4 G) U* Q& K" N5 ]
IID_NULL, // reserved3 C' c3 B- @$ \1 ~0 G
&Name, // Array of names to get IDs for: s! E3 l3 k; ?* _1 ^. t, n2 K& ?
1, // # of names in the array
* z% |1 [3 d" j LOCALE_SYSTEM_DEFAULT, // System locale
; [* u2 Y7 R0 h3 C0 Q &pokeID); // Array of IDs to fill on output3 I' c# H! I* t! [0 I4 @ V
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if (hr)9 N# P6 ~0 ^1 A- |" J! o
{
- {" d! p I' L: S# w. [ MessageBox ("Get Poke Unsuccessful");, y' E( d% q: }& H% ?1 T
return;
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/**************************传递数据给extend**************************************/
' m6 O8 i$ l1 b- l2 c+ f3 p) o pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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2 F$ q j6 y" X0 f. r3 ?/ J valueStr = SysAllocString((WCHAR *) L"1232");7 r. K F8 [2 |0 a
VariantInit(&pokeVariant[0]);
, s+ W1 H) Y1 i* I- w& U pokeVariant[0].vt = VT_BSTR;0 p; `5 p/ _0 c& i" P5 N+ W' ~+ }$ g: c
pokeVariant[0].bstrVal = valueStr;. g, }& q! i5 `) m- ?
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% G5 E/ C, V3 I" |8 o VariantInit(&pokeVariant[1]);
7 k( _0 f1 R" ` pokeVariant[1].vt = VT_BSTR;
& M/ S; y/ m, J$ K4 H4 n& s- t) e pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");8 ^$ \( i+ ]3 I
VariantInit(&pokeVariant[2]);
* i. C3 |0 _0 A, ? pokeVariant[2].vt = VT_BSTR;
7 |; r6 c4 ?8 {# e6 e/ ~- F7 ^ pokeVariant[2].bstrVal = topicStr;
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; }: J% P1 H; z! w// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;) _3 v. w9 J; Z7 U: x- \9 y5 Z7 J
dp.cArgs = 3;
* @3 k. g, V- c; p/ r" w+ ~# b" r dp.rgdispidNamedArgs = NULL;
! q1 n5 O0 T8 |; Y) R& w, {: h dp.cNamedArgs = 0;9 z6 v- u' o! a4 R# |+ l& k. h* n
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// Call IDispatch::Invoke()
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# T! M5 {5 G* m5 e" C% S+ T; t hr = m_pDisp->Invoke(: {6 A( H& t7 F9 A) z0 b
pokeID,; i. ^+ o" K5 ~2 k
IID_NULL,
' T- ?" z* R& `+ f7 F LOCALE_SYSTEM_DEFAULT,
7 b! e- |) v8 {: r* ^ DISPATCH_METHOD,+ {9 a+ {+ N8 V& H
&dp,
3 {' n: W& Q! _; i3 ^( b8 x+ } NULL,
5 k1 ?6 K8 R; h2 Z7 a% i &ei,0 q0 }4 o4 \6 Z- i$ b v, ^: A ~# a: \
&uiErr);
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SysFreeString(topicStr);
6 X2 t% L9 B! A' L SysFreeString(itemStr);
+ `+ X7 A; ~* F/ F: K5 ^+ v- ` SysFreeString(valueStr);8 ^4 Y' R9 I0 h% F0 j1 r
1 j* l- F! n& H# F+ W. _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???
/ @( z ]' V- V5 y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????% |, f) i, z6 S
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2.这是request的程序
2 I% V i6 u2 O// Request a value from Extend+ Z; l$ |3 N& t" `% ]3 e
//
& _; L! Y: W2 p// Initialize the variant that will hold the BSTR. Set the variant's/ V- X1 w) e8 U3 ~8 ?4 @
// type flag to indicate the fact that this variant holds a BSTR. Place the9 K" t5 i$ ~% U: u7 t
// BSTR into the variant structure.
( t" M; i! m/ b! l7 z; r4 V6 a' o; o2 ~9 {
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) Q p* z5 l% @$ \3 z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 t$ M* ~. R" ~0 L. ^& G/ T i
VariantInit(&requestVariant[0]); % x7 {5 Z& u) h" I" r& v- L/ p
requestVariant[0].vt = VT_BSTR;* g( [; m' @7 s( q+ U
requestVariant[0].bstrVal = itemStr;
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; n& e q+ ?9 Z8 Z$ p6 T topicStr = SysAllocString((WCHAR *) L"system");
" d& o" b- ~7 F# Q VariantInit(&requestVariant[1]);
* x5 I. t# \$ _. G% X/ l0 K% Z7 Y. a requestVariant[1].vt = VT_BSTR;( d# b; }2 G, U6 l2 ?% g9 q! {, @3 ?
requestVariant[1].bstrVal = topicStr;. {: f$ Z) U# a. y& F! B
! y- I' H7 K$ L: t6 K// Set the DISPPARAMS structure that holds the variant.; c. v* @, p7 ^" Y
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dp2.rgvarg = requestVariant;: [" S8 G( S! k6 p+ x
dp2.cArgs = 2;# I0 x# I7 R: c8 w( G# c
dp2.rgdispidNamedArgs = NULL;
% j4 h& i: n- @7 x dp2.cNamedArgs = 0;
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! f) m* I$ M2 Y6 B# T) F var.vt = VT_EMPTY;5 B5 }) p' k$ x! b
. ~' [9 {7 Q9 [" `3 F( l// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(7 N8 z) ~% P5 A" B+ V/ j! p8 c9 b* d! i
requestID,. l. Y. k! b) ^( [
IID_NULL,- v$ w5 ]7 p$ T6 Q; n: N
LOCALE_SYSTEM_DEFAULT,8 M1 N1 ~; F9 R2 w. u8 E! T7 o( M
DISPATCH_METHOD,2 U) `/ Z- R+ g
&dp2,
. X: O+ K/ ~5 a% | &var,8 D0 e! c8 V/ ?+ |* @
&ei,
- z5 u/ s1 H0 O8 ? &uiErr);
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SysFreeString(topicStr);3 m4 E/ y! q0 M8 h
SysFreeString(itemStr); R2 @4 n% c8 ~, W& Q
请问该程序是获得extend里面的哪个值?% T }4 M; v" T8 q Y3 f
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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