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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:! v) f/ j1 m$ d* I8 \
Name = (WCHAR *) L"Poke";5 e1 D* R5 V( I& `& Y! Y
9 X4 I3 V9 }1 m+ T7 v% C# q$ w hr = m_pDisp->GetIDsOfNames (/ y" ]6 B8 z3 g3 j0 r8 V
IID_NULL, // reserved+ M# v# v: \0 D2 x
&Name, // Array of names to get IDs for' J8 v& l! D F6 F
1, // # of names in the array0 V& q4 V% B3 E
LOCALE_SYSTEM_DEFAULT, // System locale& H! _$ J3 I; h5 @" d* d
&pokeID); // Array of IDs to fill on output
. I- c4 X v$ X- w# }$ E 2 x! W& Q0 J9 I* ^
if (hr)
1 V6 F0 z) v, t" A" f& H* u {
7 i& l' T" ~/ u; ]) X" T Y MessageBox ("Get Poke Unsuccessful");% e B7 r! J _# ?
return;8 E3 O" v/ g( x& \$ w
}
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/**************************传递数据给extend**************************************/' b) L9 U+ g" z# y$ X( x* }* s
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& |4 C4 l+ R0 p# I$ s! R
& k4 ?' u4 J2 k" d valueStr = SysAllocString((WCHAR *) L"1232");
; r) ]: ~+ U U5 A VariantInit(&pokeVariant[0]); 9 k4 z6 b. B8 V3 D
pokeVariant[0].vt = VT_BSTR;: ]. z& V! F- e! ]! B4 N x
pokeVariant[0].bstrVal = valueStr;; h' |( o' E. @' o) M9 P! s
( L: Z' V( M( `: ?0 f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, s& {( x( u' m* M2 Y) P VariantInit(&pokeVariant[1]);
4 I2 c E& q( \, g pokeVariant[1].vt = VT_BSTR;1 b/ y- _- s9 d @9 L
pokeVariant[1].bstrVal = itemStr;3 h# K b1 h$ o
* J7 A, y, ?: o2 S5 l& f' F topicStr = SysAllocString((WCHAR *) L"system");
2 f; l! h8 X0 |) O6 @ VariantInit(&pokeVariant[2]);
/ ^2 C: O9 g p* [& n. g pokeVariant[2].vt = VT_BSTR;3 }1 v+ g+ X% `9 @' W
pokeVariant[2].bstrVal = topicStr;
9 d, _7 D3 Z5 ?- V+ D
# D5 b! q2 i4 c; E// Set the DISPPARAMS structure that holds the variant.
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+ l6 ?$ x2 k) r% h dp.rgvarg = pokeVariant;
$ ^4 p- N, e$ j- [0 N dp.cArgs = 3;
8 r1 y: m; p* i- _# a" z: l dp.rgdispidNamedArgs = NULL;
* S; S" [6 p1 h6 q6 Z- n% G5 ~ dp.cNamedArgs = 0;3 x' B7 l, H8 w$ `2 z- u6 X k
% L! J# l3 O4 T0 U// Call IDispatch::Invoke()
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( {4 i# u$ r5 K hr = m_pDisp->Invoke(
8 P, q0 M: L, B# ^5 [0 Y pokeID,* s5 i" T0 Q y; Y' L
IID_NULL,
# ]: J1 G& H9 }/ T/ P! @ LOCALE_SYSTEM_DEFAULT,
! e- i; @, { t( X# S DISPATCH_METHOD,
$ U: }8 D( J% O# K &dp,
) z, m L- H. b9 e/ `( ^ NULL,
; p+ U' j+ B p( S( Z+ [: @& t &ei,
$ N6 B1 |* Z! o1 ?7 o &uiErr);
. X. Y( \( @: w' y: R3 r8 K& r
SysFreeString(topicStr);
) |* h4 r2 t6 Z9 d J6 s& ` SysFreeString(itemStr);
/ N/ w: U% E! l8 z) T: `5 C5 y SysFreeString(valueStr);
* C6 I. J. w! b+ ?( h; @6 ^ i0 D2 ^
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???, M8 E2 r" g: @
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????2 @# Q( f( o& u- k8 F* O
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1 {. R' M, A% _! l3 i, I
2.这是request的程序- k/ Q' {4 z/ N% y* e. A
// Request a value from Extend0 n2 Z5 Y' G2 {5 ~( f! ~
//
; K7 T. K3 q2 d" c! R3 o, V// Initialize the variant that will hold the BSTR. Set the variant's
2 r- t1 v' N0 l% V5 {6 @* l2 {" K// type flag to indicate the fact that this variant holds a BSTR. Place the
( j) P) x" Q0 M& Y* Y" I* n// BSTR into the variant structure.( I3 @1 ]" G2 F$ G+ z
! p( f3 C# j$ x3 F' h2 p8 L7 t
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" y7 u/ A( Y$ I
: G- L. n7 k& @/ s; a: F& [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ F0 ~; ?* D0 d0 ~
VariantInit(&requestVariant[0]); ! k9 r& i4 u6 a% J
requestVariant[0].vt = VT_BSTR;
, x: D! }5 F2 L1 x+ i$ `; S requestVariant[0].bstrVal = itemStr; `' k. s6 s3 W! y
8 ]7 i8 s6 i. G% c/ p+ w# h8 c# b topicStr = SysAllocString((WCHAR *) L"system");9 U: C/ h! h6 t% S1 s7 w
VariantInit(&requestVariant[1]); ( J: p* d5 q" }' V* E5 X( h* k+ P( e' C
requestVariant[1].vt = VT_BSTR;
8 D+ Y) h) c1 s) y5 A9 v% g7 D requestVariant[1].bstrVal = topicStr;7 A+ r# @! B. x
* ~/ [( ?: e' F/ W' x) n5 G// Set the DISPPARAMS structure that holds the variant.
; X' z5 o d5 H6 X! ~: [$ V0 ]) [
+ A# H! ^& }: O9 o; A dp2.rgvarg = requestVariant;
' a2 y+ w# T/ R; ~9 Q( |# q* e6 e7 i dp2.cArgs = 2;/ K& n9 v3 s, o' E
dp2.rgdispidNamedArgs = NULL;3 \( R1 q7 _ U1 c7 z
dp2.cNamedArgs = 0;
3 c4 i+ N: U* i6 M
9 ~1 t' u/ ` | var.vt = VT_EMPTY;
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" {) `7 i; X2 [: G// Call IDispatch::Invoke()
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W) N$ n$ d# e, m+ Q& V hr = m_pDisp->Invoke() A9 c3 }2 ~1 B) a4 \
requestID,
: m8 {+ s; V$ i6 F* ^& \0 q" v IID_NULL,
; A2 l; F5 I+ G u# m3 J LOCALE_SYSTEM_DEFAULT,
m7 v/ |: _! V& p9 R; R. L DISPATCH_METHOD,0 j" h; R e* B3 _, X3 e
&dp2,9 _5 e) L+ Y4 T2 L6 p2 |& g$ H
&var,
$ @ G# `" X$ `9 P: V% C3 C; a &ei,
0 k5 A0 n M" ]% r &uiErr);
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SysFreeString(topicStr);+ n: o, U: M* @$ o
SysFreeString(itemStr);
: a g1 O3 |; M2 T- u请问该程序是获得extend里面的哪个值? @) y5 j: k( i
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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