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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:
5 L& B# f" F& `( z7 e& T) ~" cName = (WCHAR *) L"Poke";
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R. D1 @/ {; W1 ? hr = m_pDisp->GetIDsOfNames (
4 t2 {( b: C0 t2 ~1 C IID_NULL, // reserved
( A% U0 `+ v* b8 z4 W &Name, // Array of names to get IDs for! e1 I l$ S% ^: ?! q4 s
1, // # of names in the array
! j: k2 y' q1 e# i. Y LOCALE_SYSTEM_DEFAULT, // System locale5 j! U4 k' b, \: J J- L
&pokeID); // Array of IDs to fill on output- {! T! i0 m3 X
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if (hr)
8 h% y+ b' z6 o {
3 I7 |# c& ^5 G. b/ y2 R$ L& K MessageBox ("Get Poke Unsuccessful");) d# s3 F. N* X6 t5 C4 L! U
return;- x. T/ a" y* t% r
}/ S5 \# p8 n6 U* \( F, f8 x
7 w/ ]; k1 H5 d- R" F. q( w/**************************传递数据给extend**************************************// Y8 Z4 r' ], {9 j1 M2 B( n
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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" J/ Y% l$ D7 L( Z0 c1 q9 t: r9 K valueStr = SysAllocString((WCHAR *) L"1232");2 Q. b# `% f a+ V
VariantInit(&pokeVariant[0]);
* h( D. D7 K- `5 d( f; y. a7 F: | pokeVariant[0].vt = VT_BSTR;( C' a0 Z( A3 V- w0 C. r3 Q' |- M
pokeVariant[0].bstrVal = valueStr;
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5 k S" q- q. l& T/ I8 i5 q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 X( B- A ^8 d; ] VariantInit(&pokeVariant[1]);
1 h$ l! X$ t6 x4 Y# q$ P pokeVariant[1].vt = VT_BSTR;, L+ K& W8 `' i
pokeVariant[1].bstrVal = itemStr;- q& V. K7 B5 J
8 h. M' F' g6 j4 V- }& h topicStr = SysAllocString((WCHAR *) L"system");" ~( }) W2 Q4 O) P% f; i
VariantInit(&pokeVariant[2]); ! M- _ o- F( D* A4 c, o: P5 u
pokeVariant[2].vt = VT_BSTR;$ Z/ _: ^$ J' @! X
pokeVariant[2].bstrVal = topicStr;% C/ ]1 z* U6 U5 w4 s, w
3 V4 V# `* Y& R: f4 u' W& Z// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
( E% N6 S( F+ G' {7 e. T3 D7 ^ dp.cArgs = 3;
! s" s8 c! D/ }9 r1 o6 S# J dp.rgdispidNamedArgs = NULL;
: L4 m" r( E8 s9 A F dp.cNamedArgs = 0;2 W9 m/ u# o: H
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// Call IDispatch::Invoke()
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0 i( O7 O- j3 e2 t( ~5 G hr = m_pDisp->Invoke(. L( ` R/ @1 R9 [
pokeID,4 G5 \ n6 W, Q1 h
IID_NULL,+ K6 S, q1 R$ M1 O7 i
LOCALE_SYSTEM_DEFAULT,
0 L/ m U2 K1 [- Z6 d/ A0 s: _ ~ DISPATCH_METHOD,' X1 k$ X3 o) n7 `# C( h: s/ A
&dp,
( q9 _, e- w, X! A0 e NULL,) i# S$ D0 b3 k" t7 C- Z: w
&ei,0 o I- z' @" ]) m. G1 R+ `
&uiErr);
J# [( i# R" g
6 f% b9 w! ~1 Y+ o SysFreeString(topicStr);
# O% q% p) K. Q/ `- N, d SysFreeString(itemStr);2 ?* y$ ^ i( t3 `
SysFreeString(valueStr);( c+ O! ~: P6 d
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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???4 g: q) p9 x8 X: l; a7 H8 ^
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????; j7 ]% p/ i4 k r5 D
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2.这是request的程序, o1 Z5 j/ j- _) _' ?
// Request a value from Extend
& y' ~' A; `+ `) O//; W2 ~7 ~! N* {5 S2 |& {3 @
// Initialize the variant that will hold the BSTR. Set the variant's
$ N4 ^9 e$ v% F. n: i8 k! B// type flag to indicate the fact that this variant holds a BSTR. Place the
: m9 `0 U5 O" m$ }// BSTR into the variant structure. l( D5 m' f7 `# o
- b' b1 m4 c5 {( v requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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, H7 e' y: l2 k$ }% g8 S! H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ h& S2 n8 `$ K) D
VariantInit(&requestVariant[0]);
. z$ y6 n6 E/ L requestVariant[0].vt = VT_BSTR;
W5 k ]0 ~9 Q6 M requestVariant[0].bstrVal = itemStr;: }$ B' O( l! `+ v. v( @( Q
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topicStr = SysAllocString((WCHAR *) L"system");
! u" u. y0 R' a- e/ B2 I: F VariantInit(&requestVariant[1]); 3 U2 T: `# l% a/ H' H8 |& x% r
requestVariant[1].vt = VT_BSTR;
6 h- _9 v: P- z+ ]% {; B4 G requestVariant[1].bstrVal = topicStr;6 ?: F4 f0 O z" y1 ^
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// Set the DISPPARAMS structure that holds the variant.) M) K9 \' j: }$ U
! P; Y2 E9 x; S6 W# G- ]0 ?$ `0 W8 `4 V dp2.rgvarg = requestVariant;
& x) N: t; t/ Y, L+ u- f' a. | dp2.cArgs = 2;
, d" i4 ~9 H- f1 a* P! m7 ~ dp2.rgdispidNamedArgs = NULL;" e% ~$ n4 `( }! K! R
dp2.cNamedArgs = 0;
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6 v. o; v1 {. X1 [, \" R( y$ g$ i var.vt = VT_EMPTY;* \2 Y8 S( |5 Y
! Z! y9 h; N7 Y// Call IDispatch::Invoke(), g1 H( N+ F6 c. g( [; _
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hr = m_pDisp->Invoke(
' N- V: ~2 r) d requestID,$ o0 l( h2 M/ t1 J8 b/ R; y
IID_NULL,
/ ^) S; y+ t7 V0 d8 |1 f6 J) \- ]5 s LOCALE_SYSTEM_DEFAULT,
2 }- ?3 P2 l( \, |7 x, a+ m DISPATCH_METHOD,
0 E8 J8 d; G3 u5 L; s, P &dp2,
1 E9 V3 P$ R$ [: h &var,
( W9 H: m" O$ l1 u- L: D# d$ w &ei,
: h$ J+ o5 f3 w% X &uiErr);' b8 s% e9 [$ \1 t$ e# ^) ?7 {
7 d ^: l" G; C SysFreeString(topicStr);
' y$ P+ T2 W# b& T) `9 u8 o SysFreeString(itemStr);3 p; m9 p; s5 N3 u( @" |
请问该程序是获得extend里面的哪个值?
4 g: |: a4 `5 L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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