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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:
' ]" _& g {# U2 NName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
, ]7 x- l2 c. W8 \: B l4 P IID_NULL, // reserved: O6 r9 h5 F6 \
&Name, // Array of names to get IDs for) y* J$ M' O3 U, C3 a
1, // # of names in the array% u/ u4 o( \9 _/ i, M. m
LOCALE_SYSTEM_DEFAULT, // System locale
+ c+ F2 {& V8 e. b0 X$ I &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");/ T( I" g) X3 ?& W, J; r
return;" `6 F5 b# u! q
}
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/**************************传递数据给extend**************************************/
& A4 P$ D& ~$ L9 R+ g pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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m4 m1 ?; r/ e0 r+ O$ I a valueStr = SysAllocString((WCHAR *) L"1232");% t/ B3 B$ A) H5 }9 D- ]+ t
VariantInit(&pokeVariant[0]); ; f T7 z5 c' H9 L& o5 B2 d9 Y
pokeVariant[0].vt = VT_BSTR;
* X. l7 c) ?( b. n pokeVariant[0].bstrVal = valueStr;, ~5 m4 @) G$ u8 Q% m/ c X' T5 I7 C
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 @( X- L3 _& k f VariantInit(&pokeVariant[1]); 3 T3 @* g3 A: D: G; o' G
pokeVariant[1].vt = VT_BSTR;$ g& Z6 \, l% D- V' t9 {! Q: r$ K
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
4 b' r1 Z& J. [2 X2 N- @0 D- f VariantInit(&pokeVariant[2]);
. d- v ]) q+ O0 m- R' N8 K pokeVariant[2].vt = VT_BSTR;
% k0 m1 K/ y V! B" p" t2 @1 P5 } pokeVariant[2].bstrVal = topicStr;0 P/ W: c0 G! J. ]# o5 \
# R; F' K# \$ I// Set the DISPPARAMS structure that holds the variant.
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6 d [! C( H9 j- U% E3 n dp.rgvarg = pokeVariant;
7 F) {2 r; D% v dp.cArgs = 3;0 J I0 X9 U; ~- W
dp.rgdispidNamedArgs = NULL;# }; q% U* j8 {: M
dp.cNamedArgs = 0;" K% J M3 J e: f/ M! G7 h% V" @' E
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke($ m$ z: `$ q9 {. Q7 z0 Z2 i# ~
pokeID,
* M) V0 u& j7 ~% F IID_NULL,
. d/ b1 D& Z) w! r% f2 }* z1 o. x6 B LOCALE_SYSTEM_DEFAULT,8 Q: v/ j7 p* b8 [- U5 L: i
DISPATCH_METHOD,
A+ w: I/ J; p0 B &dp,
5 l# [( t& D. @$ y, i8 j6 c" \ NULL," _5 u# q6 J4 r' e) E1 O8 g
&ei,6 G9 l* l0 o5 N7 R/ \2 C4 o
&uiErr);
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SysFreeString(topicStr);+ P# G4 _, f# c
SysFreeString(itemStr);0 X) o' H7 q! i/ e6 ]2 P4 m
SysFreeString(valueStr);2 B, O! q3 ]" v
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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???
) f _! I( Z# q+ F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
+ S- G" R: ~, ^- L9 W// Request a value from Extend
3 l2 \: L- {4 _//
9 r8 s6 g0 _% m5 F6 H4 D7 h& d$ V2 O// Initialize the variant that will hold the BSTR. Set the variant's; f5 K9 N1 C Y) }' ~
// type flag to indicate the fact that this variant holds a BSTR. Place the* G7 U- g9 b9 V3 b# m. a2 `5 v- g
// BSTR into the variant structure.* q5 G" x0 l. i: O/ ^* f- s# _! J
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); C& V; `7 o B3 h
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 V! M+ R ^, {+ R* j' G
VariantInit(&requestVariant[0]);
3 G' X8 ]# ?1 Q0 R requestVariant[0].vt = VT_BSTR;
6 F9 S P7 ]: S8 T" N6 v requestVariant[0].bstrVal = itemStr;7 m* S9 s# {3 s/ V* f+ I0 b
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topicStr = SysAllocString((WCHAR *) L"system");
6 s2 ^( `" i& O) d- t VariantInit(&requestVariant[1]); . l% a( |8 P4 x1 K
requestVariant[1].vt = VT_BSTR;
# J7 B; B( n2 M4 O2 m" N requestVariant[1].bstrVal = topicStr;7 ^" ?% G: H" }; V# \
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// Set the DISPPARAMS structure that holds the variant.* u" f# a' y" l6 G
+ P6 C( e) M$ D2 N3 M. a4 @) C dp2.rgvarg = requestVariant;" ]0 l' p" {1 u; ?
dp2.cArgs = 2;6 K( Q! H8 T1 F$ R. i( [2 d
dp2.rgdispidNamedArgs = NULL;
0 R, C$ i3 R# Q. i, s dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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5 r- Q/ N9 P8 O2 n& \' G! g hr = m_pDisp->Invoke(; `* G0 v4 n/ `' z
requestID,
% t! p7 M+ z" E" Q8 R IID_NULL,' n( w2 H- H2 |/ `/ R7 Q
LOCALE_SYSTEM_DEFAULT,2 h& j6 f/ B- ]2 B# z
DISPATCH_METHOD,
, O9 Q6 D. ~- i$ T0 z0 q9 b &dp2,. m5 l8 @2 y+ J5 B
&var,
- D) P- N# a4 t; G' g" f: d &ei,% Z" T5 a& W/ K3 U- ]* B2 K
&uiErr);
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SysFreeString(topicStr);
. R7 ~/ d0 \3 `. w, X1 Q SysFreeString(itemStr);! j3 X" H8 `7 ~2 _8 D4 t
请问该程序是获得extend里面的哪个值?7 L4 ~" D; [! ~) d, y) C
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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