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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:2 r+ W2 R* f8 {; s {+ s. ~
Name = (WCHAR *) L"Poke";
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+ d8 A- N4 f t hr = m_pDisp->GetIDsOfNames (
$ |, V$ q5 |: V" J+ P7 n IID_NULL, // reserved
3 v" ?0 M* j* Q: Y &Name, // Array of names to get IDs for7 v% w# P8 ~+ y0 J4 j
1, // # of names in the array# V; M; l; e. _( x) S
LOCALE_SYSTEM_DEFAULT, // System locale
: T% O% S" r4 O% O &pokeID); // Array of IDs to fill on output3 e+ G& M" o% X
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if (hr)$ M# s6 m- s/ n9 L# R
{
* A+ ]6 z# w& r/ a+ R MessageBox ("Get Poke Unsuccessful");! H8 }+ d; o! q3 w9 [
return;
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) u H; n, l( W+ r1 b: Q7 U4 B. M/**************************传递数据给extend**************************************/; I0 v, F" k' R# |0 C9 d+ j" O
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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3 D, ?, D0 T+ v( Q valueStr = SysAllocString((WCHAR *) L"1232");
7 T6 ]+ J2 a- t VariantInit(&pokeVariant[0]); ) z+ M- m- Y9 S- {8 F
pokeVariant[0].vt = VT_BSTR;( U% y4 E: t: L3 x8 t- E
pokeVariant[0].bstrVal = valueStr;. ~4 a0 l1 ^1 a+ U0 L9 |
, }1 p0 T7 n5 O, V7 ]. w- U% | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 j, B0 h' Z! e* d
VariantInit(&pokeVariant[1]); ) v( Y" h4 x- U- Y
pokeVariant[1].vt = VT_BSTR;
6 w% j. P* L) p. Z) y+ A pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 c" M ~6 s6 ]; s VariantInit(&pokeVariant[2]); , r5 x2 O- {, m( B+ d
pokeVariant[2].vt = VT_BSTR;/ r& c9 e) ?& o' o2 {
pokeVariant[2].bstrVal = topicStr;7 y' w4 @% E6 }7 r% V- P" c9 w) v
/ C; Y U2 F' v2 l// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;& x6 m9 K7 E$ R' u. Y4 p# N
dp.cArgs = 3;
8 r- `/ q0 ]' O4 D# [9 Z dp.rgdispidNamedArgs = NULL;
2 ^* } m/ C/ d$ u/ P dp.cNamedArgs = 0;- A( x6 @ u6 \' ~$ b
3 R) c3 o" {7 i0 U3 L
// Call IDispatch::Invoke(). B* w' [, r, X
; C: W- i1 a" u s8 L' ` hr = m_pDisp->Invoke(
# |1 D" I) M3 v% |5 N% L pokeID,
3 l6 \# I# F! T IID_NULL,
9 O/ Q: e5 ]. w' F/ V2 D! c LOCALE_SYSTEM_DEFAULT,
4 B8 o/ I3 i* s: X+ `3 ^ DISPATCH_METHOD,
& m) x0 Y$ U. H: Y( x4 ~ &dp,0 @# Z; E! t4 v7 o2 q) n/ N
NULL,
2 S5 L8 [7 y& e, j! K a. X &ei,
; g( \. o( X9 F) X& W &uiErr);
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SysFreeString(topicStr);
# m' G% L6 Z0 ^5 a9 u SysFreeString(itemStr);5 g& O9 v; Z0 H; ?- j
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???0 G/ @4 r; m- f+ V+ u* ?" 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????. ^) ^: l* l. `" i! R( e
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2.这是request的程序
5 `) J- W; ^6 y1 j2 I* j1 c// Request a value from Extend o: a) Y4 E. ]! M5 H2 b
//
. y/ J/ N1 x6 A a& t// Initialize the variant that will hold the BSTR. Set the variant's$ n6 R! g) V1 U j X0 ~
// type flag to indicate the fact that this variant holds a BSTR. Place the% H6 X8 @0 E; Y: i' x, Y
// BSTR into the variant structure.
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# k0 }9 V9 M) i: q7 F/ z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 g( p) d5 I: _; t/ M0 q
VariantInit(&requestVariant[0]);
8 Y7 O3 C+ R4 W! N, b. v0 u% B& u requestVariant[0].vt = VT_BSTR;3 Q" c9 b' n5 _$ i, m
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");. e5 z: u; ^- ~& i$ ]
VariantInit(&requestVariant[1]); / f) s2 H& L+ h7 Y+ o
requestVariant[1].vt = VT_BSTR;/ z' f9 x" U2 C, L$ l/ U& K; N( [% ]: ^+ x
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.8 x8 d* a. L% G* B2 j3 K
+ ]. a% g! k1 |/ y7 i2 t7 G' R8 D dp2.rgvarg = requestVariant;
' |- l$ P. x& o dp2.cArgs = 2;
5 \9 K' P: G, @) e! R dp2.rgdispidNamedArgs = NULL;
+ B( x+ W0 }0 @- T7 S; ]; x dp2.cNamedArgs = 0;
2 K! B' W8 r/ _* R
. R2 d6 |+ w0 G9 H- R$ [ var.vt = VT_EMPTY;9 W9 `+ I# r6 e: l4 i0 a
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// Call IDispatch::Invoke()8 V! ^" T9 Y2 a& f" f
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hr = m_pDisp->Invoke(
$ p2 E) s) a( k4 P/ b requestID,- P# ? ^1 X; V. E, L/ Y2 p. w' q7 {
IID_NULL,7 h8 \$ H) {+ A+ P6 _# N* y
LOCALE_SYSTEM_DEFAULT,2 R/ u$ `& |" M% S Z
DISPATCH_METHOD,6 x& U6 |; d* a; Y
&dp2,
# u5 S( u( H0 h/ _ &var,7 ^8 Z, ~" h5 z
&ei,6 ?( S$ N* M ~1 E
&uiErr);
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SysFreeString(topicStr);: V9 N3 z9 ]/ s- X$ p5 Y4 w' v
SysFreeString(itemStr);- \+ B: c7 n& u4 W4 c
请问该程序是获得extend里面的哪个值?
! F4 a, b7 d 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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