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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:+ c' H7 |% K. _+ d" m
Name = (WCHAR *) L"Poke";$ @- j& s) G4 S- S5 a! R- x
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hr = m_pDisp->GetIDsOfNames (
5 N) ]3 g. D* a IID_NULL, // reserved' r' p, V3 T0 \
&Name, // Array of names to get IDs for
+ Z+ ~' A5 s5 B1 Y 1, // # of names in the array8 J2 V. }: _+ D# r" I; \
LOCALE_SYSTEM_DEFAULT, // System locale; `% i6 k+ N: u0 ^/ _% E% x
&pokeID); // Array of IDs to fill on output! [ a( x. v& ^6 H
8 U, u3 l- P3 ]" I
if (hr)0 @2 g" Y9 r' I9 j: O
{ t; s6 {8 @& ?: U6 J
MessageBox ("Get Poke Unsuccessful");
3 i0 o2 n U* W: i' ? return;4 }( x, r3 O7 \/ V
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/**************************传递数据给extend**************************************/4 I* ]) c5 `) R, u% S: O) S
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
$ J+ J: \- X7 g& R- ^9 A ; y' _' V0 C7 o3 t% V6 w) r
valueStr = SysAllocString((WCHAR *) L"1232");$ j: u0 z1 Z6 |& v
VariantInit(&pokeVariant[0]);
( {' j9 w" v" e& N7 Y1 w2 L pokeVariant[0].vt = VT_BSTR; L! L" ^6 `, g( r: ~# q- X0 U# r
pokeVariant[0].bstrVal = valueStr;0 G+ c5 A! L, B% ~& v! {% o
7 L' v9 ]# h i' u4 S3 j1 |: y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; ~2 k, K3 L9 I: Z# F! b7 F VariantInit(&pokeVariant[1]);
1 a% a! p$ S9 k5 x- F. L9 w/ r pokeVariant[1].vt = VT_BSTR;
7 U* S. d) w: ] pokeVariant[1].bstrVal = itemStr;5 L$ b b6 o' n$ Z! _7 b3 u6 G. h) N t
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topicStr = SysAllocString((WCHAR *) L"system");
( Y2 p4 ^9 x! P, M- u VariantInit(&pokeVariant[2]); * M: y" y! [1 u. T i7 @( z
pokeVariant[2].vt = VT_BSTR;
+ p: e( r( N) v9 r0 D pokeVariant[2].bstrVal = topicStr;1 g6 h5 E" z+ H9 S
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// Set the DISPPARAMS structure that holds the variant.$ z4 L4 D3 D3 i+ A$ j
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dp.rgvarg = pokeVariant;
1 z" w$ H2 o( F2 Q dp.cArgs = 3;3 k9 J; W8 ~" H* G6 s# V/ @4 s7 h
dp.rgdispidNamedArgs = NULL;8 q3 d# O" t' l, |
dp.cNamedArgs = 0;- h/ |; m: S. M0 e. e1 H, ~% v6 s
8 h- o8 n3 a4 f& g
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(9 R; n3 \& j# {0 V0 i
pokeID,0 R+ \+ d" [; G! \: h8 a, l
IID_NULL,
$ _ S" I) x! h: H! L: F# O LOCALE_SYSTEM_DEFAULT,
2 H& C9 L* @% t4 B( U8 s DISPATCH_METHOD,( T1 z" o5 x. {5 o/ y5 O4 V
&dp,# \0 n/ B1 _* `) Y0 m
NULL,' B: U2 {. \% B m. t S
&ei,5 B, B3 f, N: z/ ~
&uiErr);
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SysFreeString(topicStr);
2 p1 p" s; C* V% O. p7 S SysFreeString(itemStr);$ i& V5 R9 D: M
SysFreeString(valueStr);
+ m2 v3 l8 A& P6 ]( I
/ Z! ~8 m: p% D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???
% v0 M* _- D: z7 o) ]/ E& p# `# E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( c8 C" Q: e6 i/ T. y) }
// Request a value from Extend: j+ i" T1 u a9 i' B' z6 ^
//( `1 f' @' o) O: K! q
// Initialize the variant that will hold the BSTR. Set the variant's
+ ?) X9 |- y+ _, O' e) F% Y// type flag to indicate the fact that this variant holds a BSTR. Place the* s2 [* a# M) a6 M
// BSTR into the variant structure.
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8 e w: k/ y& t% t requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; O) h( G6 f# J. D H' I7 r9 \ VariantInit(&requestVariant[0]);
4 f; V0 @! f0 i" h; C requestVariant[0].vt = VT_BSTR;
! N' @5 U0 o) [6 \1 T requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
( _) S8 H4 R( R" A9 D( r! B6 V+ B VariantInit(&requestVariant[1]); # ]" X: h R5 a$ [1 J' f
requestVariant[1].vt = VT_BSTR;3 ] N" _' a) H" ], W$ W
requestVariant[1].bstrVal = topicStr;/ I" @# o/ W/ l( U/ D$ N
6 f& g3 l5 I7 g4 R+ v// Set the DISPPARAMS structure that holds the variant.. z8 Y. _4 o6 d
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dp2.rgvarg = requestVariant;# }: x4 I- M& }+ u+ K
dp2.cArgs = 2;) [/ o* |$ i6 _- R3 G5 D* e
dp2.rgdispidNamedArgs = NULL;- G/ N6 Q+ O! p) h P
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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) i$ B, Q8 `" M hr = m_pDisp->Invoke(4 Z X" i8 G0 x+ b& _+ {
requestID,
( K. v# L- A% \/ B IID_NULL,
5 D4 O- a, N- n8 K3 q" E, I LOCALE_SYSTEM_DEFAULT,
' }/ q$ ]- U5 f5 S; e6 Q DISPATCH_METHOD,/ T6 ]/ g! L! j* x' ?, l: d4 \ }
&dp2,
, q3 ]9 V8 h b' u &var,1 e+ P o- Y; @% P6 J% y5 P
&ei,
' n. T- x/ G$ n# i9 v" o &uiErr);! K+ k2 y5 l2 E" q7 _# [- }
1 V+ R( n0 Y+ E% ?) ]" f SysFreeString(topicStr);& Q: k" x% S6 {$ a
SysFreeString(itemStr);* k* x/ b: |1 [% w1 r: c) j
请问该程序是获得extend里面的哪个值?
4 W" h8 q0 |0 t8 q0 H6 U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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