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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:
8 [) T. o/ K) b. m0 i% ~- f6 ^4 ~Name = (WCHAR *) L"Poke";' N. C6 c0 b8 g% ~% C
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hr = m_pDisp->GetIDsOfNames (
! s+ l% w) ]9 l/ V& j IID_NULL, // reserved6 M- g( d6 X! u$ L9 M# m
&Name, // Array of names to get IDs for2 \8 c7 ~, W0 o+ H+ u
1, // # of names in the array
$ A! |" O* q& Y% z# s( e LOCALE_SYSTEM_DEFAULT, // System locale' b0 d3 _4 @% K' \% Y% r
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");, r% H# }/ C, N7 E+ x7 l( O
return;
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$ `. B- U3 E3 @/ C' |- l/**************************传递数据给extend**************************************/
9 W# n, B, n& F3 H pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 |* q1 [. \2 e0 O
* Z% ]% S# P& e6 G9 v valueStr = SysAllocString((WCHAR *) L"1232");
& I# b; u) _! {: m VariantInit(&pokeVariant[0]); 8 {% C7 w: F$ p" o
pokeVariant[0].vt = VT_BSTR;7 z( h: g; m7 f0 R5 p3 M0 K4 Q
pokeVariant[0].bstrVal = valueStr;. H3 W* Q" k5 J' Y1 K
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 x9 K& i2 V- ]3 [, F4 T6 O. ?
VariantInit(&pokeVariant[1]);
9 g Z4 R* {6 z/ j& y) R4 \9 h pokeVariant[1].vt = VT_BSTR;
+ x' j# x @! \5 I/ f/ J% J pokeVariant[1].bstrVal = itemStr;. I/ b& e) u! ] w+ }
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topicStr = SysAllocString((WCHAR *) L"system");
0 }# l5 ?: C" S$ y' d VariantInit(&pokeVariant[2]); x2 t4 q b2 o" o$ l+ [
pokeVariant[2].vt = VT_BSTR;
- o* X4 p4 s( o4 Q5 J3 | q Q pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
7 B/ y5 @& J* a" ]+ A- { dp.cArgs = 3;0 A2 |- k# C+ E! |! U
dp.rgdispidNamedArgs = NULL;
3 z- W/ Q2 q( {# T! t" v4 e |* S dp.cNamedArgs = 0;$ E. h% D3 F! u
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
( c' U! A: P; o9 h pokeID,4 |; B+ p2 m; p4 F
IID_NULL,
& ]9 U2 [; g& u0 L LOCALE_SYSTEM_DEFAULT,
3 O0 Q6 g! p: ]; I$ V. u DISPATCH_METHOD,! Q" J, h* Y2 e0 l7 q
&dp,
. M/ g+ q5 q; F8 Z NULL,2 }3 F& s- a( |5 z- R# ]3 ? _
&ei,
3 m$ \7 g# ]2 R &uiErr);) c: D* l$ b4 T
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SysFreeString(topicStr);
* s6 q3 ]8 r( c; r: X4 V SysFreeString(itemStr);
% l9 v8 K3 `" F7 | 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???
4 V3 S9 z8 F/ ^% Q* Y+ {$ q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3 A1 P: h2 N8 H7 d8 F3 W! E4 X4 v6 R! t
// Request a value from Extend2 q/ b0 Q% _2 S* @
//0 Y6 w* O. S! a: q0 k& t$ G( W& w
// Initialize the variant that will hold the BSTR. Set the variant's0 d! h, _1 L' S e9 F* o6 p# Z* `2 ?1 m
// type flag to indicate the fact that this variant holds a BSTR. Place the
/ w: x4 U" c$ _% |6 I// BSTR into the variant structure., B+ p: y) z; ^1 X9 S7 N# A
3 q* |* t0 \. P* y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# G" I# A7 j3 Z0 {; ^2 F
0 B' c. j5 S& Y1 R# l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 X1 ? ?& o) ^" x/ ` I. B, `( _ VariantInit(&requestVariant[0]); ( |2 X: i; H5 Z0 X- w' d
requestVariant[0].vt = VT_BSTR;
) d: o$ v- l, l% s# G requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
6 k, d$ z$ [9 F: x VariantInit(&requestVariant[1]); 6 M- h/ w: B' Z) Y$ k3 g1 w+ q# k
requestVariant[1].vt = VT_BSTR;' t6 s% H+ [) W4 p9 }/ Z& y, `4 r
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- ^) E' m, K" j: L3 _
9 u6 g8 u+ q9 E* V* q# f, S0 |+ U$ o dp2.rgvarg = requestVariant;
* D4 e, f: ~! b- y7 l- q& d* w; l dp2.cArgs = 2;" e. L V; I/ d# D- Y s
dp2.rgdispidNamedArgs = NULL;
7 F D: `+ C1 w$ i" a dp2.cNamedArgs = 0;. S9 Z! W7 h6 Z6 i) E; Q
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var.vt = VT_EMPTY;$ p+ F1 O. G+ l2 t7 @5 t
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// Call IDispatch::Invoke()' j: b- Q }+ A2 ]
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hr = m_pDisp->Invoke(" I2 T) q0 r* i0 `# N
requestID,. V; N( e: B" C4 W( M% n3 {8 v
IID_NULL,3 d* |) i" X: L1 Q% s. }: j4 E
LOCALE_SYSTEM_DEFAULT,
& p+ [# }9 ?, m DISPATCH_METHOD,
5 ^5 i4 r" b/ n/ I9 T9 U &dp2,
, b: t# B) o5 C" L; t, S( C# r* \! G &var,5 M+ |6 }) A$ I
&ei,
# t; H3 v! A0 E \" U. m% |8 N &uiErr);8 K" o C5 }8 L7 d* P9 K4 X9 u
8 F% ~4 h6 l+ O9 H2 Y8 N SysFreeString(topicStr);; u Y( W3 B% ^. v; \( {
SysFreeString(itemStr);1 {7 y; F! L9 b# \
请问该程序是获得extend里面的哪个值?
4 n2 o; r/ C4 |3 M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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