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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:
1 q6 T% \, i% D; d( ?% sName = (WCHAR *) L"Poke";+ t i. E- a& \6 ~& X+ }0 t$ e8 b
, z ` M( p5 r9 T8 A' w% ?2 ?! ` hr = m_pDisp->GetIDsOfNames (9 V6 K! ]2 t1 m2 p4 j, n! G+ ~
IID_NULL, // reserved, ]1 L/ Y7 \& q5 R1 t4 M% A0 m
&Name, // Array of names to get IDs for$ q7 X4 \+ e/ E
1, // # of names in the array
/ t# V6 E: M6 c+ q; `& u LOCALE_SYSTEM_DEFAULT, // System locale, H5 A1 X, S" c6 }- K* I
&pokeID); // Array of IDs to fill on output
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N7 i0 ^: ]5 I N. V5 D, C if (hr)
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MessageBox ("Get Poke Unsuccessful");
0 {9 s4 d. ]" L: P4 I return;
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% C& J& N% B" V4 J# v/**************************传递数据给extend**************************************/4 a$ D. I0 x3 J2 d7 ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- s6 a9 Y1 d, B) A& x4 B6 {2 b
, T. m2 V0 h" |* f valueStr = SysAllocString((WCHAR *) L"1232");5 ?* J4 r/ D" E3 s" ~3 R
VariantInit(&pokeVariant[0]);
$ i) D+ ~, }3 q) S5 m/ p% l5 A pokeVariant[0].vt = VT_BSTR;
+ {5 @+ d9 ^1 K' @& x pokeVariant[0].bstrVal = valueStr;4 ?. w3 G( D% ?$ l1 c: `2 M" h
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. F% s } F) @* R* U
VariantInit(&pokeVariant[1]);
: j |! g1 Z1 H3 w2 F: v! M1 q1 Z$ H2 } pokeVariant[1].vt = VT_BSTR; e1 j7 E3 C3 o4 D4 }0 a
pokeVariant[1].bstrVal = itemStr;
e, ?1 @' u+ ]! _9 }
- P8 x8 G! k- X) w+ j- u topicStr = SysAllocString((WCHAR *) L"system");
; [, y" n$ g3 d6 P; z! `3 i+ ^ VariantInit(&pokeVariant[2]); " ^4 ?# \) k2 V7 y" t! T
pokeVariant[2].vt = VT_BSTR;# z4 W" ~- P9 X) p, c6 B. w+ V
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.. C4 @ X+ S/ y; w: d
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dp.rgvarg = pokeVariant;1 L/ \0 G5 |# G+ L" Y2 y
dp.cArgs = 3;9 { s2 S0 a0 F! ~
dp.rgdispidNamedArgs = NULL;
1 C# G/ X0 [5 n% n3 g B: G dp.cNamedArgs = 0;! Z( p9 ?$ Z: F v: W+ J
! d7 B! k& W3 ~* N
// Call IDispatch::Invoke()2 i, c6 V7 d' h$ s! W+ c
% [5 X! C, }& C/ Q# E( f hr = m_pDisp->Invoke(
* k) _6 H \4 s+ { pokeID,
1 b. n1 g/ O, B, U, @$ t IID_NULL,( ]+ ^, p. y' y
LOCALE_SYSTEM_DEFAULT,
; i+ S3 o/ t, n! f) ` DISPATCH_METHOD,
9 s. c% q8 Y6 ^/ @4 K5 N7 ~3 R7 J# { &dp,
n+ C# o% B$ ]* n5 ]0 N; R NULL,# B' R2 c0 I5 ] N" {" y w
&ei,6 s2 C# ]( K0 P4 X
&uiErr);) _8 Y, S+ F. w- k
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SysFreeString(topicStr);; w$ h( R) j& [5 w; ~
SysFreeString(itemStr);# z% S" u& Z' ~* h
SysFreeString(valueStr);
: ^1 o2 o: f; X% s# K3 U, j3 s6 b( u/ V# |( B/ u
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???
# J5 p, i' \/ D4 l2 q4 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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, [& s* Q h' D$ g: B; F- d: i: T/ @6 B- H5 ]) \3 H
2.这是request的程序9 v' b5 Y9 D, d7 }) f* Q
// Request a value from Extend1 K9 `0 e/ j0 a# z/ O! F- x
//6 w/ R0 B) f# H; `
// Initialize the variant that will hold the BSTR. Set the variant's% N/ w5 v1 \1 I" }) C& v
// type flag to indicate the fact that this variant holds a BSTR. Place the
3 Y" U; T; E; l// BSTR into the variant structure.1 D, i2 k0 |: ?6 ^
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 P& H4 b" `: j
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. N. ]% p1 d4 D7 k7 S1 ~' x9 n VariantInit(&requestVariant[0]); " \* E. e p5 C l7 [
requestVariant[0].vt = VT_BSTR;: [& U; [; `) c3 H }
requestVariant[0].bstrVal = itemStr;( i5 D2 a$ C2 B) u3 [* p
& p2 b4 h+ Y; [- Z; c: `
topicStr = SysAllocString((WCHAR *) L"system");0 Q: E4 c4 w+ v) }8 F6 x
VariantInit(&requestVariant[1]);
3 J/ k. G9 b4 x6 ?- c" t requestVariant[1].vt = VT_BSTR;
: }% s: W7 X# @0 N requestVariant[1].bstrVal = topicStr;3 G+ |9 B8 ] r5 M
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// Set the DISPPARAMS structure that holds the variant.
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+ o, T" }) H6 o* C dp2.rgvarg = requestVariant;$ g: x5 O. ?+ Y& N
dp2.cArgs = 2;, N3 d$ ^' n# o% g4 g4 C
dp2.rgdispidNamedArgs = NULL;0 M J4 r8 _4 [3 K1 Q5 C! r& c
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;7 A Z0 V1 V0 I! `
( W6 D1 Q: z) @ o0 |- I// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(; w: \( V7 i7 G: V. q1 a4 [
requestID,
* `8 s0 _% |& J9 Z IID_NULL,
4 p4 K2 ^$ l5 l& | LOCALE_SYSTEM_DEFAULT,% ^$ G9 F$ t: K! \0 |! ?3 v2 G1 \
DISPATCH_METHOD,
. \' Q+ Q8 E# I& ]! G+ h5 c &dp2,0 a# A4 R6 l) x5 n$ x3 q6 x/ b* X; n
&var,8 }5 j) u! V3 d" {8 N/ f
&ei,
. r$ \ ?. A: G6 N9 ^6 p6 m6 Y &uiErr);% P! F8 x) j+ f
b* b# i8 \- t1 c+ f( G" F J5 }
SysFreeString(topicStr);" c8 ]& E* S5 B( j
SysFreeString(itemStr);' v- L& b( Z: Z$ @
请问该程序是获得extend里面的哪个值?, a9 H! H4 k8 R! 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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