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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:0 r" A( F7 ^# _5 D( w/ Z) Z
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
. }9 \& `# B7 [1 p0 V0 m IID_NULL, // reserved
1 z: k7 K- L/ T3 `* T0 w &Name, // Array of names to get IDs for! Q' n7 e* k% i* i! o0 h8 a
1, // # of names in the array8 G& _/ I5 V# q1 S
LOCALE_SYSTEM_DEFAULT, // System locale
; z8 T" p/ c/ |) `3 X &pokeID); // Array of IDs to fill on output1 C8 Q* G0 }" z/ k/ Z
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if (hr)
5 F) j; E7 P3 ]+ T {
$ W6 {( t# o' w2 n& v# C* m+ N! f MessageBox ("Get Poke Unsuccessful");& H" H8 w& x& G: A
return;
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( D; ^1 d& B; c- P/**************************传递数据给extend**************************************/
0 X6 R4 R' ` s pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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3 W9 R3 F2 l8 M valueStr = SysAllocString((WCHAR *) L"1232");
+ j) H/ \5 c1 g% p VariantInit(&pokeVariant[0]);
* \/ S2 t7 W) ` pokeVariant[0].vt = VT_BSTR;1 F% B3 ^4 Y$ @" _# I A8 z
pokeVariant[0].bstrVal = valueStr;
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f; S- }2 t# r: f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" V( T# Q o* w' j VariantInit(&pokeVariant[1]); 0 _7 z& \$ j- s1 y) E
pokeVariant[1].vt = VT_BSTR;
) H& k$ s. Y7 Q' `- s7 l pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 z) ]/ D# C Z8 Z. w' U VariantInit(&pokeVariant[2]);
: E& t* v2 _* \ pokeVariant[2].vt = VT_BSTR;, ]" N2 I' }; d# ~
pokeVariant[2].bstrVal = topicStr;( N) O. f' a% L& {+ h% ]0 K* G
3 _% ^; m0 Z" Y" ], R9 @// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;/ F U2 f; E$ W2 }/ i8 Q
dp.cArgs = 3;+ B" Y" D) q* W$ R V# f
dp.rgdispidNamedArgs = NULL;
0 y S7 A# R6 b0 q+ a( ? dp.cNamedArgs = 0;
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5 ^5 f5 U0 V' c/ S9 c// Call IDispatch::Invoke()/ L" {; ~& J) Q' e
) J5 s V+ J: w0 i. A* U3 z7 k hr = m_pDisp->Invoke(
- [" s: C. H" u/ E8 v7 O r! w pokeID,) l( g3 O ~1 c8 X3 H: A
IID_NULL,
) t/ l; ^4 b% f' A0 v. x7 U. B& @ LOCALE_SYSTEM_DEFAULT,
- t) b3 s0 ^3 g: ~9 Q DISPATCH_METHOD,
' m) c8 V2 W7 f% p4 b &dp,
& }9 I- A" }, @. x: D# U) a) t NULL,, d* i$ }% Z1 W; r
&ei,% Z g# I& q( L2 z5 [
&uiErr);
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SysFreeString(topicStr);
! _3 H4 L. p/ s/ G9 r2 o% h SysFreeString(itemStr);
0 [% h/ f/ ]5 t7 I% l SysFreeString(valueStr);
6 V* a U; Q7 g! z; z5 ~1 S0 G8 j8 i
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???+ @$ o* e1 ^- |; |$ d
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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2.这是request的程序2 S$ k: l/ }* k0 q6 T: r9 I- H" F! T
// Request a value from Extend
. ^4 e- z- b% t- p9 e5 a/ j' ?//0 {' \5 t: O0 p" }
// Initialize the variant that will hold the BSTR. Set the variant's3 [; A! M" Q; t2 J$ l
// type flag to indicate the fact that this variant holds a BSTR. Place the' h1 a$ u$ k$ c3 @, P- X: E
// BSTR into the variant structure.
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6 |* P/ n1 U: u+ n7 G( N requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 X/ k$ q/ |, l
8 e) w( f8 { p/ s( K, x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 [2 a; z1 L& ~( k! k7 I VariantInit(&requestVariant[0]); ! L! a6 s. T X( j. F* O! a
requestVariant[0].vt = VT_BSTR;
' \$ `% [9 G) M9 p# [& I! q requestVariant[0].bstrVal = itemStr;
# Y- \, m/ _* \/ Z
2 W: i8 g! G4 O' H: C* h3 v* ` topicStr = SysAllocString((WCHAR *) L"system"); O% r) V# _5 J" i0 t' \* j* L
VariantInit(&requestVariant[1]); * y% X/ B* w3 k! J! r3 y6 a
requestVariant[1].vt = VT_BSTR;. f$ D9 |2 M. C+ J# a) v. a- Y
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
& C' f8 q6 T9 {% z3 p- R dp2.cArgs = 2;
) A- K$ j$ |# i" U- _4 m# A& U1 m8 b dp2.rgdispidNamedArgs = NULL;
* e- A' _9 j/ x7 ]5 ^: L8 Z dp2.cNamedArgs = 0;! O/ [% Q% l* T
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var.vt = VT_EMPTY;! v& k C# [# Y% @, ~, u
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// Call IDispatch::Invoke()
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. q0 M3 m1 Z; D( w* u hr = m_pDisp->Invoke(2 C d5 n' u) Q" S) t! A
requestID,
* O. [9 J) z; M IID_NULL,. C; p( }) n$ U2 l' U/ E1 W7 G
LOCALE_SYSTEM_DEFAULT,2 j$ a- z/ I% Z" w. U1 ~
DISPATCH_METHOD,) ^; f% X5 E8 \% S* g% X! E
&dp2,# e9 {4 K, X* G l5 K, |/ N* r( s* A
&var,
% `' o! D" p" ], p &ei, S9 c/ x5 y$ F( w6 N$ g: w
&uiErr);& r+ y9 u9 R, z4 S$ U* t. @
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SysFreeString(topicStr);# A1 e9 X6 G/ w6 r: }$ @& V
SysFreeString(itemStr);
' a. R+ U5 M, ~" y+ u请问该程序是获得extend里面的哪个值?
8 R7 e% W! z) ^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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