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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:9 s2 _" m# M7 N5 s
Name = (WCHAR *) L"Poke";
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1 ]. f- Q4 [+ U/ m3 a! q hr = m_pDisp->GetIDsOfNames (
" ?& e9 e) f4 O6 F IID_NULL, // reserved
0 Q. @: T [" k" J9 }7 h &Name, // Array of names to get IDs for
9 X' ?$ _, O; w* ?: M! l 1, // # of names in the array
+ g: ~( Z2 E4 N1 M$ a' K( V& Y LOCALE_SYSTEM_DEFAULT, // System locale
4 y+ h; K' q: L; N &pokeID); // Array of IDs to fill on output8 o2 k( Z/ R9 \5 G+ ~6 n
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if (hr)1 G, g2 E" y, e3 }1 F3 c( ]+ b
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MessageBox ("Get Poke Unsuccessful");
' V1 X, j( N( ~% | return;
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/**************************传递数据给extend**************************************/
: F! `& o: l3 _ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 m. x! E& ~5 l: g; O2 Y6 n$ i
+ z& r/ \: V& B valueStr = SysAllocString((WCHAR *) L"1232");& K1 R3 r" a% s# \" Z) F" D
VariantInit(&pokeVariant[0]); - X3 y; S0 ?; M3 A8 N. [8 f
pokeVariant[0].vt = VT_BSTR;8 {6 Z( S: q9 b* V3 {4 z
pokeVariant[0].bstrVal = valueStr;6 `+ @) O5 _1 I; E0 T+ A0 S
3 o) h, Y3 }0 P& L' g8 @- ~; F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- L8 w- f% Z+ t$ e" ~ VariantInit(&pokeVariant[1]);
- o( \ \+ ~$ h: }8 y; f pokeVariant[1].vt = VT_BSTR;
7 q: M$ ^! a/ k pokeVariant[1].bstrVal = itemStr;4 F9 W2 b% T1 e0 f$ }1 J
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topicStr = SysAllocString((WCHAR *) L"system");. L) A% i" D+ m9 |
VariantInit(&pokeVariant[2]); , z5 o; k. x# f. e
pokeVariant[2].vt = VT_BSTR;+ ~3 D; Z v, Z3 k
pokeVariant[2].bstrVal = topicStr;: V) g M1 v% C# X& `
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// Set the DISPPARAMS structure that holds the variant.
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7 r/ M ]+ L& _/ Q+ ? dp.rgvarg = pokeVariant;
, f* s! B' ?9 |3 ~' P7 t$ p dp.cArgs = 3;' d' l7 x# A3 p( Y% N5 D3 h ?
dp.rgdispidNamedArgs = NULL;
) y2 `. ?8 r5 g$ k! U8 a8 p: d0 C dp.cNamedArgs = 0;
+ \* Q) q# M# X$ O1 N
& p8 `" C% p# ~ m; i4 q// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
8 t. V! K& `: X2 U pokeID,
7 m' Z$ C; U4 Z: a% r1 b* ` IID_NULL,( _* @1 `' w3 {6 {
LOCALE_SYSTEM_DEFAULT,( J7 A# s) U5 p1 P6 R. b$ ^
DISPATCH_METHOD,
2 t* c7 {: j0 g$ \2 j* g &dp,' {# O% z7 M0 v( j1 K" V' ?- X- U
NULL,
6 }; q+ Y3 L' K. ^- D &ei,
# z& W9 @. |5 }3 C2 W &uiErr);
3 C" r6 R& Q" a9 H( e
: i0 W& X6 S: f SysFreeString(topicStr);9 J% R3 j( _( E. I" c- j
SysFreeString(itemStr);
+ E+ d. q& f. e& a0 ? n SysFreeString(valueStr);) [) j0 d8 q3 a t2 L
1 O) R! S6 x0 B! J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???' Z+ U( c; |! ~" }
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????3 A; P: ? L2 o' v. w- b' W# C
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7 e2 N R& S* I7 F& L$ T# R3 c2.这是request的程序0 s0 z! w! U5 u5 m) Z- w
// Request a value from Extend/ k! ?( y2 e7 L! p7 }
//
6 h# a2 k0 \3 k0 n& d( w// Initialize the variant that will hold the BSTR. Set the variant's
6 t& Q- i; |' f) x& j1 u// type flag to indicate the fact that this variant holds a BSTR. Place the4 `2 q* [# n. J6 E& A/ A: q6 E' c
// BSTR into the variant structure.
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- ?9 e' }" N# X; l3 b; P requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ h8 y5 n- I# }* ^
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, I" K3 ?( `# w4 \8 f3 B- I7 n
VariantInit(&requestVariant[0]);
9 `1 W) G, m9 N7 {9 Q% G( V$ d requestVariant[0].vt = VT_BSTR;8 t( F/ n: W- Q P3 k
requestVariant[0].bstrVal = itemStr;. [+ p+ k8 T- v8 a
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topicStr = SysAllocString((WCHAR *) L"system");; ^' b9 }7 t. L( o
VariantInit(&requestVariant[1]); * r8 D3 { T2 O& C
requestVariant[1].vt = VT_BSTR; r$ L% r: U" e$ r) J' h
requestVariant[1].bstrVal = topicStr;
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3 K) f) ^6 i8 T) d// Set the DISPPARAMS structure that holds the variant.! r$ b0 H# q) d6 a7 N
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dp2.rgvarg = requestVariant;
. |4 H5 n3 q' ? dp2.cArgs = 2;
7 u* t1 o, x7 i dp2.rgdispidNamedArgs = NULL;
& L" D. ?* E* M, z8 `$ q dp2.cNamedArgs = 0;+ _, W( A$ n# A L0 G- t
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(). |: g6 _5 Q W- x$ j- @, C. o4 w( R
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hr = m_pDisp->Invoke(
6 U0 j! r6 ^9 u! Y- C% Z _ requestID,. x1 T% Z$ }- L% K
IID_NULL,
% M9 @# f; i! O- ~ LOCALE_SYSTEM_DEFAULT,$ e4 J7 q: T2 c; z5 V
DISPATCH_METHOD,; K* u) D: ]: j7 r4 v. C% {+ [4 I
&dp2,* c) [) g( H6 M, \% m
&var,
: Z) F, h" I2 {1 g$ ?4 m &ei,) ~5 d' m" S0 `) s! v7 k! [+ e$ b2 B
&uiErr);
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SysFreeString(topicStr);! u# I. {: Q* ~* [
SysFreeString(itemStr);
- [0 S7 M- g8 Y$ h5 d' c9 f& K请问该程序是获得extend里面的哪个值?
& I& M h! G; x( s% s1 t: `2 ^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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