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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:
3 l/ K E7 |+ aName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
1 U7 j# m o" I9 G( I) j8 C IID_NULL, // reserved: {7 `) p ^$ i/ E& B
&Name, // Array of names to get IDs for
; i4 x' |# e( h1 W, ] 1, // # of names in the array4 L) I' j3 F" n) U
LOCALE_SYSTEM_DEFAULT, // System locale
( X$ |* M$ A/ C8 `1 Q l &pokeID); // Array of IDs to fill on output
1 \% Y" s1 W/ _3 w7 j5 `! |
2 H S# Z8 }" n$ f if (hr)
3 P7 `" o i# w% Z' ]- x8 x. ~6 v {
) W6 r+ g) Z# ~) K MessageBox ("Get Poke Unsuccessful");6 U" P) e8 a2 C
return;' Z. J- Y* p0 [
}$ s% ]* c1 ^4 D4 v
- g5 c3 e; d% S; g* h/ W" A/**************************传递数据给extend**************************************// J; H/ {& e; S
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: {* ^4 X( l# x( P7 Y* R9 d
+ m4 a+ }% t& F. b6 Y9 L valueStr = SysAllocString((WCHAR *) L"1232");
( O2 z0 n: C8 O' J' Z g: n VariantInit(&pokeVariant[0]); % {. U9 T8 C& M# h$ c
pokeVariant[0].vt = VT_BSTR;
* I1 \' X% {3 b' p; c% p" y# F pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 f2 A8 [, S' t4 ^) D7 x VariantInit(&pokeVariant[1]);
) F& t/ Q; C9 v2 {4 M8 {1 f* P pokeVariant[1].vt = VT_BSTR;% F% c% @ _; P! T9 s0 {' w
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
& C3 ]" r. r! {8 m' h! x( | VariantInit(&pokeVariant[2]);
/ g% ]. F0 M, ]6 a+ V1 h pokeVariant[2].vt = VT_BSTR;
/ x* x8 q# x7 e pokeVariant[2].bstrVal = topicStr;
/ m* b6 ?7 D4 n/ D
& s2 k( j' b, n9 {6 R& Z$ u// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
3 m) D4 d1 v# \ dp.cArgs = 3;! ]8 @: _- J: r& B6 ~/ a
dp.rgdispidNamedArgs = NULL;
- r `, l% V @7 W dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()& t( \0 L; F% Y& P9 `( k
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hr = m_pDisp->Invoke(
& r- C8 e' H7 n. [. M5 V$ P* m* W" @ pokeID,
R7 N/ _! q" v) |9 J IID_NULL,
6 J6 M: Y" J. O8 Z1 y) ?8 X LOCALE_SYSTEM_DEFAULT,
~0 h& E0 w2 A4 C8 l: ^) a. @: | DISPATCH_METHOD,. [9 G, z, _ }" K2 V
&dp,$ B1 p2 V2 v5 {% L" Y
NULL,9 \- q; R" K" l4 Q1 R2 J8 @
&ei,
- ?3 d% L l7 K1 D" v &uiErr);
6 A0 H6 A% [9 h& y1 `& S( k
9 O- n) g, {; q, b6 T SysFreeString(topicStr);3 x# u) M# I U' n( u
SysFreeString(itemStr);$ U% J: U2 }" k* U& l2 i n3 {
SysFreeString(valueStr);3 a7 k a( r; R; p
4 c. A* i- r7 ]- [
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???! b8 x( y" t o6 o5 C; e5 J/ q
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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G9 y) ] n- _: Q4 V' W8 s! |5 J- M0 c4 ^: W
2.这是request的程序* h6 B1 Q8 \, z9 @
// Request a value from Extend. T9 j7 Y* w* `# p. y2 V2 q
//
6 c) x7 m z2 o, I2 c2 Y7 C& l// Initialize the variant that will hold the BSTR. Set the variant's2 P: f$ @* Z4 k* g) c7 g/ ~$ J
// type flag to indicate the fact that this variant holds a BSTR. Place the( W0 p7 @9 s( K! x: X' C* |
// BSTR into the variant structure.! D" A/ N/ y5 \6 y- e+ m3 S
+ B' ?% U3 }) b" Q7 d requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); G% f; K( A) g; M/ Z' R' |6 V' ]
VariantInit(&requestVariant[0]);
4 N% d1 x u% U( w requestVariant[0].vt = VT_BSTR;
, w; V! I; q3 g$ R) ~ requestVariant[0].bstrVal = itemStr;: y6 _+ g% `5 ~" b
+ C" C" n% q6 d
topicStr = SysAllocString((WCHAR *) L"system");* }+ i5 ?8 W$ o/ X4 Q
VariantInit(&requestVariant[1]);
4 {8 z/ M% f8 K0 w' K$ v requestVariant[1].vt = VT_BSTR;
/ t. K- w3 w+ S& v; X' @1 P9 G' v requestVariant[1].bstrVal = topicStr;7 M9 c2 G( u" Z7 R
0 a; y7 ]) p$ k. `9 ~0 K+ m8 Y// Set the DISPPARAMS structure that holds the variant.6 V) t: _. X3 X9 m3 C
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dp2.rgvarg = requestVariant;4 _2 V& }- ]- c- F" P. g
dp2.cArgs = 2;$ u+ v5 [8 S5 i( c. ]
dp2.rgdispidNamedArgs = NULL;9 Y2 ~! D0 f. L5 g# L$ B& V9 f
dp2.cNamedArgs = 0;
* V. v' A1 a! R, x
0 b4 r% c- l1 W$ d. O" m- ? var.vt = VT_EMPTY;
/ j* {% X! G& v4 K* C* D; d
* h7 c* \" K+ m7 u: Y' C: J// Call IDispatch::Invoke()
5 H0 ]( A+ ^# P
3 |- i, Q* |( p+ ?, Y1 y hr = m_pDisp->Invoke(7 U/ g1 I' [' h: H
requestID,
% B: ], x, Z: h. j* B# ?+ z IID_NULL,- O# x/ r7 r( z# e6 A' o" K
LOCALE_SYSTEM_DEFAULT,
, O$ i) \; i5 `+ B- v0 o DISPATCH_METHOD,/ {/ ~* ?& f8 L( `
&dp2,: g2 {0 g c9 V7 T
&var,% E4 p6 _" q# h# g. ^6 g9 j
&ei,
* @0 X0 {0 b0 e7 J, o7 J% d) O* } &uiErr);
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SysFreeString(topicStr);
* T. A4 b {9 W SysFreeString(itemStr);
: T2 U0 K7 p* N$ s; R. {请问该程序是获得extend里面的哪个值?
3 z5 s2 {% t5 [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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