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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:
! T2 [" u2 i' {* ]Name = (WCHAR *) L"Poke";- o1 {. [7 b5 ?
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hr = m_pDisp->GetIDsOfNames (
6 G3 O: t9 C: z9 X/ F IID_NULL, // reserved
Y7 S* }# X7 [' M* u &Name, // Array of names to get IDs for5 \' p7 v4 I. A4 a; P
1, // # of names in the array
2 e4 m0 e: q- U LOCALE_SYSTEM_DEFAULT, // System locale$ V/ _) Y3 c8 t. V' \
&pokeID); // Array of IDs to fill on output
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7 L/ K; o5 b5 d if (hr)8 E! V0 g5 J/ M* U+ h9 g( V w; U9 F3 z
{
1 i# q3 ]/ m8 b) ~9 `' O5 J) N MessageBox ("Get Poke Unsuccessful");' R) M) H/ [5 K0 c$ i. y
return;
6 [' k% X) q" K. @1 j# b+ o }
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6 G3 Y' a! w" t+ i( R- e1 q/**************************传递数据给extend**************************************/, {" ] R0 k3 y* H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 T; ~, M1 T* Y. R6 E3 h, Y5 \
. M4 L" n+ [5 l valueStr = SysAllocString((WCHAR *) L"1232");6 ^6 M# g& \. C2 M1 E& Y# ^- J
VariantInit(&pokeVariant[0]);
% y% a2 R) l6 K pokeVariant[0].vt = VT_BSTR;, }7 `9 [8 G& Z$ T' F. }
pokeVariant[0].bstrVal = valueStr;2 [5 A7 @' ?8 M/ `) y5 Z3 R* V
8 G5 L- [8 @7 A1 @7 I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" z5 Y, W& H+ q" }& |, S/ o: u VariantInit(&pokeVariant[1]);
4 q; T3 T: w2 x' _: ` pokeVariant[1].vt = VT_BSTR;
( ]$ e( L& A% e1 M pokeVariant[1].bstrVal = itemStr;
# a p5 q$ g6 h @7 w0 q
! L1 c+ G) H b: R6 `8 a5 R topicStr = SysAllocString((WCHAR *) L"system");
I& H: L: f; G" Z }" h; F! w8 L5 { VariantInit(&pokeVariant[2]); # }" }/ x& u: ^0 j
pokeVariant[2].vt = VT_BSTR;
$ P$ |2 _: z- k5 O6 M% m pokeVariant[2].bstrVal = topicStr;
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% u" H+ C& o9 g1 s- R1 J// Set the DISPPARAMS structure that holds the variant.
: k! T/ k/ p5 }0 m
6 }3 L$ S& s8 a dp.rgvarg = pokeVariant;
# o4 h) z8 J4 I O! |1 b( U* T4 A; l# t dp.cArgs = 3;
# Z6 H# l4 g# @7 d dp.rgdispidNamedArgs = NULL;
; b3 d/ N) p9 \" [% B: n' b dp.cNamedArgs = 0;9 k; m5 _/ E4 A) M# B; b7 M
: n4 G( i( a$ O' J4 N
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(# A; G9 P2 k5 O* [* {3 E
pokeID,
9 n( q1 k- P! S$ ]# s IID_NULL,4 Q7 V& a8 k) U8 `
LOCALE_SYSTEM_DEFAULT,# U" s' g6 M; Q- ~ c3 P& N1 Y
DISPATCH_METHOD,% p7 V# ]5 a2 P
&dp,
8 h( N6 O' D3 @: a& B NULL,
' V* m& r( O) n) Q1 b &ei,
: E8 q7 a2 A1 J &uiErr);4 u3 S. S9 T% i4 d$ S3 r& R3 ^
; O# s6 Z( ~/ \4 F1 P SysFreeString(topicStr);
" ~6 U% N# H2 Z! v9 F/ N SysFreeString(itemStr);
7 i# A& f- a. q5 M. E3 ^ SysFreeString(valueStr);
4 ]: }; v8 {1 R& h4 V! U9 t( E- X% A1 \2 p6 B% C
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# q1 b3 R5 j! f3 d B- {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????, o$ x& m) `! y7 N% E2 H( R
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& k9 i& ]" ?0 V3 p2.这是request的程序5 ~0 W8 l" ?) b4 J; R2 K
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's4 p8 r/ q, s: r8 H& p6 {
// type flag to indicate the fact that this variant holds a BSTR. Place the$ ?$ V6 |* a" A+ Y: N d t& C& ]6 b
// BSTR into the variant structure.
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9 ?/ f$ m0 o9 K$ W# @. { requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, j4 \- b# D9 h- C- `: K VariantInit(&requestVariant[0]); ! C0 y0 O% q/ g8 }1 n
requestVariant[0].vt = VT_BSTR;) ~ h4 E: v9 L! ^
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
' N8 `% H9 @+ s VariantInit(&requestVariant[1]); 5 r8 F$ x2 n: o' L; y
requestVariant[1].vt = VT_BSTR;
- \6 Z5 g+ N! }: C$ B3 T' o requestVariant[1].bstrVal = topicStr;. G! D; U8 B2 A9 i0 k! C9 H
% V3 J* T/ m+ O% J3 r// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
: \, J* I3 M% j dp2.cArgs = 2;! B4 @! h' n, w: C/ A
dp2.rgdispidNamedArgs = NULL;
( x4 z& M6 m! A4 K2 z0 |' s1 r dp2.cNamedArgs = 0;; p$ O5 q: `* x. R$ w2 E3 _2 C+ U
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var.vt = VT_EMPTY;
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) `% d2 E4 D, c// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
' C0 p# O# [( Y3 C% w requestID,- Y, ]) S) }) F/ j
IID_NULL,+ \0 Y6 o( t8 H9 u4 O% W \
LOCALE_SYSTEM_DEFAULT,+ \3 V; H! `/ Q; u4 n- n# e; m
DISPATCH_METHOD,
) |, @6 m, {% E O$ U: S5 i* x; C &dp2,
3 K) b. m& r6 J+ O7 O &var,
# c0 ?' e5 H; | &ei, i f3 w0 h% F$ n
&uiErr);8 g# {( q# p- C9 h% [4 X R! S
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SysFreeString(topicStr);
2 W0 o2 Q: E2 l- v SysFreeString(itemStr);* v! N! k$ ~" e( M
请问该程序是获得extend里面的哪个值?0 x& ^* x% H! q; m$ K' j7 |8 P
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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