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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:& i0 |! _5 b9 A, H6 P; {1 Y
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (/ g5 C( W: k* {8 R" ^( M
IID_NULL, // reserved; V2 p6 y2 [2 a# @
&Name, // Array of names to get IDs for" C' ^ V4 P3 U/ i9 B: @
1, // # of names in the array3 q2 U9 t, Y, J
LOCALE_SYSTEM_DEFAULT, // System locale
& S& I8 Y w9 Q &pokeID); // Array of IDs to fill on output# x: j7 z4 l6 C/ @5 K& Y; S3 i3 K1 M( ]
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if (hr)
8 O" n3 Z+ A. x0 h0 Z {
. H; V* p/ o3 K' J! D$ D MessageBox ("Get Poke Unsuccessful");
! a& o4 q- {5 i# S1 d5 l d return;
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/**************************传递数据给extend**************************************/" p( X- v, C1 X3 v. J. r
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 e" S: @. ~( p- G
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valueStr = SysAllocString((WCHAR *) L"1232"); q# R/ L" j5 P) n
VariantInit(&pokeVariant[0]); , Z/ h0 T" c( F3 U9 F% R
pokeVariant[0].vt = VT_BSTR;6 u" q9 ^# i( v+ \' l# l: ?6 N1 D
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' N# M2 [' `8 A! @4 x
VariantInit(&pokeVariant[1]);
5 m' o" n ^; z; X pokeVariant[1].vt = VT_BSTR;
( X4 f% e! V$ w( b# d5 ?. E7 _ pokeVariant[1].bstrVal = itemStr;
% i a5 b3 M( _
" ~$ ^& V2 d( Z* X! n* q6 P topicStr = SysAllocString((WCHAR *) L"system");
) {2 y- v) ^9 D- _- Q o$ c8 i VariantInit(&pokeVariant[2]);
; |% r7 j$ z$ I# A! G4 R pokeVariant[2].vt = VT_BSTR;
/ [% z3 s9 I; k7 g6 v" ?- A' J) s+ A pokeVariant[2].bstrVal = topicStr;
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$ X' @* U0 S1 o R5 ?' o// Set the DISPPARAMS structure that holds the variant.9 k2 c9 g. @$ j# V( `$ \: n8 W) F
/ D) E: q/ H4 w$ w$ H( E- I dp.rgvarg = pokeVariant;; ^9 d0 l9 }4 I! [3 o- `5 s B
dp.cArgs = 3;
& p7 n3 z2 r( O% A+ ^5 f dp.rgdispidNamedArgs = NULL;3 T$ k. n# t4 z: L" ~; J4 P$ O- F
dp.cNamedArgs = 0;# X: T8 @# v3 ~, G: G" i; r; H0 e
- c$ a9 Z% p/ t// Call IDispatch::Invoke()
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6 h" }/ Y: f) p9 e! h hr = m_pDisp->Invoke(
j3 w) n7 X8 X. [* Z pokeID,
8 o- `# @" c! E& _, E$ i% t( Z7 V IID_NULL,0 ~: Z/ b& i( b, m4 `! |6 a: b. i P
LOCALE_SYSTEM_DEFAULT,
0 ^# B, q; P6 N2 p1 H$ v DISPATCH_METHOD,
5 m, ]2 T L& h; S1 j& L- d &dp,
3 x0 p3 v; d! g, Z9 _& X6 D$ Q NULL,
/ F( v; a0 K0 v &ei," X6 g) d8 p& Z
&uiErr);) I& D, \" l% C1 A$ U
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SysFreeString(topicStr);; D9 D z, D3 A8 P4 m* j: i+ x
SysFreeString(itemStr);
4 b9 O- m1 Y3 p2 b4 s 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???
( v$ x& u) L! q& P( i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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0 L. B8 y4 g! \! ]6 O ]4 x* B: @. O2.这是request的程序
' k: z1 |7 r) ^0 k// Request a value from Extend
3 l( N# i5 k& T* z3 _//
; t7 @/ x! F4 G$ r* |' S// Initialize the variant that will hold the BSTR. Set the variant's0 z' f& i6 h: }/ I
// type flag to indicate the fact that this variant holds a BSTR. Place the, T/ q7 u1 Y. u8 Q6 J
// BSTR into the variant structure.
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) o+ |; q l, Q) |" V% K7 u requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 a$ t, ~ w! c8 w: O/ c0 I. D
- d% }& H( ~) @+ G9 ]* I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ O4 ^0 a6 e, w/ u9 x8 F
VariantInit(&requestVariant[0]); n% V4 z8 m m) w
requestVariant[0].vt = VT_BSTR;
, }- O8 X2 Z: \ s p5 Q requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
; L7 P- |& M% ?: w VariantInit(&requestVariant[1]); 4 J( I2 W# X4 h' d6 V! z a
requestVariant[1].vt = VT_BSTR;
7 w# l( A- e3 |' R1 h5 S. k requestVariant[1].bstrVal = topicStr;
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- J H; Y% }& q// Set the DISPPARAMS structure that holds the variant.% H5 f# ]" D9 `5 M
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dp2.rgvarg = requestVariant;
2 v: [- l2 ?2 `# ` F* C% _: D) k3 X dp2.cArgs = 2;
6 J1 \5 C) W, [8 C& M- z dp2.rgdispidNamedArgs = NULL;
4 C0 G1 F0 D/ P dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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% W5 b2 P! M U% g// Call IDispatch::Invoke()
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* t$ c. g7 z, {+ H% a# b hr = m_pDisp->Invoke(
6 O$ J4 g1 S2 N; D! G( \. L requestID,) u) U) Y4 q# R4 g% L5 h/ H' A9 ]
IID_NULL,$ _% N- u# _8 n# ^7 k+ }: B
LOCALE_SYSTEM_DEFAULT,
: j0 |, n& r/ {+ w0 a DISPATCH_METHOD,
Q6 ^& P5 z, [* [# _- u9 g &dp2,. Q7 G" ^3 T% N6 v
&var,7 y: j! [' J5 F; x5 }, D7 Z
&ei,4 Q6 e/ ~) ~" f3 I0 W4 o6 V. `
&uiErr);
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- x: j) Q4 }1 V2 E! i! { SysFreeString(topicStr);
. Z' M, M& U; Q- t$ L8 r SysFreeString(itemStr);
# W% q+ D+ I& j+ O" x* P请问该程序是获得extend里面的哪个值?
8 n3 k/ z& Q! b5 g! h: \. e6 D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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