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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:3 j' Q8 _' _* \! C" C
Name = (WCHAR *) L"Poke";" p( t4 C% J) e6 o
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hr = m_pDisp->GetIDsOfNames (# l( J1 ^* }7 p
IID_NULL, // reserved+ Y- ~: j! G0 E6 q; u# {' S4 ~6 d
&Name, // Array of names to get IDs for ]( I x; W, B$ ~
1, // # of names in the array* m) ~ l k% W9 M# @0 k3 I
LOCALE_SYSTEM_DEFAULT, // System locale
2 L9 d- I5 t* h& K( l1 Y8 G/ D &pokeID); // Array of IDs to fill on output
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+ \- o( f2 G6 n1 ^ if (hr)
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% [, k8 x0 Z4 v" `6 ~( E MessageBox ("Get Poke Unsuccessful");" x% I+ a/ N. R' Z3 D
return;
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- X" o- a+ r5 X2 D9 G8 B3 U1 C/**************************传递数据给extend**************************************/* C0 s0 u! B+ B+ H a4 R' i( s+ t
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 `4 v @5 V8 |8 z: a) w
$ Q4 e, }' F) ^ F, h valueStr = SysAllocString((WCHAR *) L"1232");1 y9 ?% K) A! P1 [7 o8 b' n9 N
VariantInit(&pokeVariant[0]); ) m. `+ C' W. h# m
pokeVariant[0].vt = VT_BSTR;
, o! j) l9 Y4 l, D pokeVariant[0].bstrVal = valueStr;0 m2 A( r3 y1 H/ L3 k, U. F! q
5 |, K1 L" I* l5 Z: X" ?* `2 @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! Z; q/ q6 Q9 \2 y VariantInit(&pokeVariant[1]); ! f; J K' r! A+ C ~, q6 I
pokeVariant[1].vt = VT_BSTR;3 C: O, H0 |& b o4 O9 E
pokeVariant[1].bstrVal = itemStr;8 ]9 [. I$ o( G. k" e
) K! e' f0 X" q topicStr = SysAllocString((WCHAR *) L"system");
) v$ c- Q* z9 _& O: z- A3 P+ V VariantInit(&pokeVariant[2]); 5 J1 Y$ N4 h3 j$ ^: y/ ^7 z0 T$ N
pokeVariant[2].vt = VT_BSTR;' X% m7 C9 m3 ?2 E
pokeVariant[2].bstrVal = topicStr;" p( e# u4 R: G/ O
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// Set the DISPPARAMS structure that holds the variant.
4 y6 y( c0 B8 ]7 v) {
& }& e6 l$ x+ X+ P5 @* T dp.rgvarg = pokeVariant;
. l, l/ O7 ^6 \0 O) B dp.cArgs = 3;
3 f0 u- j' @% z7 |# m/ v) L1 Y. U dp.rgdispidNamedArgs = NULL;3 E1 Q+ a9 N0 m. @! [5 z
dp.cNamedArgs = 0;
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, o3 l N* I% x+ x" f' @; P- w// Call IDispatch::Invoke()5 Q% G, }- y% f; {- J) ^
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hr = m_pDisp->Invoke(: w9 \8 \4 j: ]& \6 u
pokeID,5 ^9 N' ^2 X9 |: n* g
IID_NULL,
+ o( S3 b! Z, S3 i LOCALE_SYSTEM_DEFAULT,9 U7 ?$ D/ P1 H6 {2 `4 d
DISPATCH_METHOD,
2 {3 R' }2 n) F &dp,
6 G) R0 e/ a: U/ r6 m$ j NULL,
: x# O; ~/ Q! j' U) }& C: M6 G6 r &ei,
7 U# }8 l3 ]. ?6 y+ {5 \ &uiErr);
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SysFreeString(topicStr);1 |! A& @* r% W5 ~& \
SysFreeString(itemStr);8 [: p' R# j# ?: k' F z* X1 u& e
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???5 g6 v8 T8 c' g2 `* d Y
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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8 U6 `5 B9 ^ L# c* r2.这是request的程序5 G) H' ?* @( ?1 v& {4 u( U( Y3 G# J
// Request a value from Extend, b' e- J( f7 u* p" k+ e% r; o
//
4 x5 L+ g- \8 H* C1 s// Initialize the variant that will hold the BSTR. Set the variant's
[5 D- J% P' g7 C' G0 G// type flag to indicate the fact that this variant holds a BSTR. Place the- z5 ~ X( U; m V
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, V9 U0 L3 x! U+ J3 |. B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 {- N0 |, @+ _3 y. v
VariantInit(&requestVariant[0]); / J Y+ z- }+ u: s" }1 r
requestVariant[0].vt = VT_BSTR;
6 q U6 A2 A) R8 J requestVariant[0].bstrVal = itemStr;! |' a5 T1 q n4 b6 j3 Z7 c/ g
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topicStr = SysAllocString((WCHAR *) L"system"); T4 [- f' k; F- h( Z
VariantInit(&requestVariant[1]);
9 |$ |9 C/ Q9 x4 J$ Y/ s0 ` requestVariant[1].vt = VT_BSTR;" @# ^ ]/ C# V3 S7 T+ X( A
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;' @' @- O1 M1 X/ r: t
dp2.cArgs = 2;# g$ `0 V @4 Z
dp2.rgdispidNamedArgs = NULL;7 W+ B1 h% D9 F8 o- o4 G2 L
dp2.cNamedArgs = 0;9 M9 ?5 p- W+ ?
0 E. g4 Q% F4 x+ b! M" |6 ^ var.vt = VT_EMPTY;! s f5 Z, Q" W( B4 c' d' h( ~
. W5 |$ B8 Y# b0 j, F// Call IDispatch::Invoke()4 S+ i8 E; `. W5 O: _6 ^, l
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hr = m_pDisp->Invoke(
! P8 G- }5 R5 f ?% }% B requestID,/ @ ^. |% A* s) d# S! `6 I' ]
IID_NULL,; C1 k5 [6 w7 Z" ]# p3 s$ P# K
LOCALE_SYSTEM_DEFAULT,9 j* j5 F( c8 Q
DISPATCH_METHOD,% d; s) y( n0 F7 K4 k$ B
&dp2,5 L$ Q$ S6 V9 L' C0 r% ~! K
&var,# i; g! [$ \" T( w2 h
&ei,
* D' V2 L$ X( X3 h' X3 r &uiErr);+ b9 R. b7 `) w; x: M
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SysFreeString(topicStr);+ c7 w1 r7 Z' l5 t* Q S5 T
SysFreeString(itemStr);
* ]# M: X. r2 S% `5 y; v: n# j/ y请问该程序是获得extend里面的哪个值?
; [" ~* ?) s# \8 R- J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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