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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:( ^5 D' O0 D V! \8 ~
Name = (WCHAR *) L"Poke";) y% w2 U7 `+ z% o0 t
: R/ X2 a' R0 ]# @3 p hr = m_pDisp->GetIDsOfNames (" A9 X$ W. D" B# B* _ u3 [
IID_NULL, // reserved
* ]: k# j% ^5 ~4 O2 M2 m &Name, // Array of names to get IDs for
% U( s% b+ F5 B; q 1, // # of names in the array" y" J& I1 y |0 L3 f' G& n5 ]
LOCALE_SYSTEM_DEFAULT, // System locale
0 O8 A# x) u1 P+ y &pokeID); // Array of IDs to fill on output7 F4 q) ^/ ?1 K- F% O/ t& u3 X
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if (hr)
% ~8 G0 K `. g/ ]0 \2 s8 x* Z$ N {
' `' K: i2 U0 C/ e MessageBox ("Get Poke Unsuccessful");
( V: b: L& s) s1 U3 f return;/ m N% J# x: {
}# P" }; r9 c+ b- g; w
& L8 r h; C& _, h) M- R/**************************传递数据给extend**************************************/3 C* G, Y- j& E6 j: V8 J- Y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
( N- P$ Z7 X5 g! ]! t7 T VariantInit(&pokeVariant[0]);
+ t" ~6 C- z) g/ q$ T: p! z7 s pokeVariant[0].vt = VT_BSTR;
8 S5 ]. `$ |$ S0 W2 ~( B# @ pokeVariant[0].bstrVal = valueStr;/ s# ]4 _$ Q A. s4 W6 U
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 h$ y/ c! e6 t$ r$ j' C4 u `
VariantInit(&pokeVariant[1]);
0 t/ z( R# Q/ P pokeVariant[1].vt = VT_BSTR;+ i, }) E. M9 f8 j, t7 r: c
pokeVariant[1].bstrVal = itemStr;
5 _; b* C" S2 R$ V& b# D) _9 _- z( s# G/ ` A) {
topicStr = SysAllocString((WCHAR *) L"system");* |; E/ I5 \$ R1 H# v
VariantInit(&pokeVariant[2]); # E) n) H4 k2 |
pokeVariant[2].vt = VT_BSTR;. t& ]; Y; A+ R, } w
pokeVariant[2].bstrVal = topicStr;8 H. I: O, u/ V# F r
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;0 L% X9 m- f# Y: P
dp.cArgs = 3;
! z& \. o: E0 a; \2 @5 b0 E8 V dp.rgdispidNamedArgs = NULL;
8 C2 e% P- R$ z dp.cNamedArgs = 0;
4 v! F/ J9 A0 X5 ]
0 ~$ A' o& {9 g9 |1 G8 Y" o, R/ G// Call IDispatch::Invoke()
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6 l7 Q9 X6 {% o+ T( ^$ V/ u2 S' y hr = m_pDisp->Invoke(
" _$ a) U {* c9 e3 `& S; j pokeID,( r% @4 n! F" l9 d7 _8 a
IID_NULL,
, V7 b6 A7 N# q1 l LOCALE_SYSTEM_DEFAULT,
; q7 `; o; t3 a' ?* q+ U DISPATCH_METHOD,
& e' I% ]1 i" M2 Y: u &dp,
( b# C$ Z8 Q! X$ P4 i NULL,( `8 }5 E% N2 \2 u; b
&ei,
, Q/ \$ C! O( }7 ~& V: R/ t &uiErr);
4 ?! i4 w& p6 D5 m C7 Q& _ A9 Y1 m
SysFreeString(topicStr);& g' A2 B' ]+ p: h# T6 x3 s! |) J) |# ~
SysFreeString(itemStr);( A0 g* n1 n2 p% C* e. I4 ~* N
SysFreeString(valueStr);% Y8 F/ c: Y% @5 F! N
% `* ?7 U, g6 v, j5 g4 f
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???$ \: i8 A9 B1 x9 W
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
. m, c+ D2 D- X. D// Request a value from Extend
3 F W- M5 c4 T4 S9 z) E//# v( l" C( o+ }- y" u" r4 G! d0 g- Z
// Initialize the variant that will hold the BSTR. Set the variant's& f' l8 V7 C7 ^% z4 T' y5 {
// type flag to indicate the fact that this variant holds a BSTR. Place the; E' e/ X) w) G$ E
// BSTR into the variant structure.
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4 O9 l0 J+ a3 R" r( c requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- k$ L, |& p6 J1 Z( ?
/ _) @* c6 W, O& t& K( E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 l- c% f) |' c! q4 G9 R, p0 Z6 Q# e VariantInit(&requestVariant[0]);
' n+ p/ T% S( \. a) { requestVariant[0].vt = VT_BSTR;
+ O% M% P. j# v, a) a) V requestVariant[0].bstrVal = itemStr;% u# k, {" ]5 s5 v
! }, t9 E+ T+ H' n/ S! O- x! J topicStr = SysAllocString((WCHAR *) L"system");$ s6 d" C! m* e
VariantInit(&requestVariant[1]);
9 T8 E4 \. W$ f requestVariant[1].vt = VT_BSTR;" [$ ?. T5 o" @; l1 p3 O6 g
requestVariant[1].bstrVal = topicStr;" J6 B* i. ~$ Z
/ m3 A& Q5 l7 y0 M& h3 E) Z0 @2 Z// Set the DISPPARAMS structure that holds the variant.
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+ A+ ~0 o0 Z+ R7 K dp2.rgvarg = requestVariant;
# h/ D+ v$ T7 I: j5 i dp2.cArgs = 2;
/ Z% X2 {; Z7 m9 { dp2.rgdispidNamedArgs = NULL;8 Q7 U6 }9 c. r) G8 i3 H$ ^, ]. M
dp2.cNamedArgs = 0;6 D3 q% U5 z, Z1 t6 S
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var.vt = VT_EMPTY;
+ A3 d8 O! D2 P. L I) a4 n
. v2 w$ i5 o$ `" k' A7 F// Call IDispatch::Invoke()" ]3 _" Z1 \- I
, z! j+ U: ?; Z7 l/ z& l) h' b1 m _) T hr = m_pDisp->Invoke(! S( p0 D6 U' h3 a/ j
requestID,
0 _) e. k7 F* W) Y) \ IID_NULL,7 b/ M/ z/ D5 q$ d
LOCALE_SYSTEM_DEFAULT,6 k! g! |5 a0 s+ ?0 v* k2 v, ]) V
DISPATCH_METHOD,$ G) T1 p/ H7 M* v
&dp2,
/ T1 U& n+ Y2 i/ {3 t8 o &var,0 M+ A( r& ?. i# e; k, }/ b7 v
&ei,1 s& d# R1 R$ O3 V1 U
&uiErr);
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0 X" O; b( ?9 N SysFreeString(topicStr);# O; ]: x& J4 A" H
SysFreeString(itemStr);
: Y' ~" @1 A/ j" Y3 F请问该程序是获得extend里面的哪个值?8 ?, }' f1 v" z* h# t. i
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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