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:; Y! W) t) m& U9 v" X# z( ?
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
1 G* v7 G8 G+ }* `4 g3 m* d IID_NULL, // reserved9 x/ @3 Y7 ~8 R0 l$ L. ^1 |/ ~* Q/ w
&Name, // Array of names to get IDs for8 x F1 a6 W; Y& H: B
1, // # of names in the array
9 b' h5 U* M5 ]) m9 y: h LOCALE_SYSTEM_DEFAULT, // System locale* i: I/ e3 ~ I- ]
&pokeID); // Array of IDs to fill on output
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if (hr)
6 [6 \& s. q- G5 J {
{0 c& l" `) y MessageBox ("Get Poke Unsuccessful");
! Q+ J/ T/ C8 R return;
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9 i' E0 `# H( a8 o /**************************传递数据给extend**************************************/ o8 R. A! P6 }8 t$ X3 t9 e0 W! C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 j, S- m1 L! B# q/ C# B
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valueStr = SysAllocString((WCHAR *) L"1232");/ p) `$ M8 J. N; z3 D" s8 n
VariantInit(&pokeVariant[0]);
$ C* e5 J s6 |3 `" C* `% n _$ c( J pokeVariant[0].vt = VT_BSTR;$ z; g9 Z( G- l& S+ z5 Z* s
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( f S, \; R$ c( u" H* z
VariantInit(&pokeVariant[1]);
1 j" X( N4 s; a& c! | pokeVariant[1].vt = VT_BSTR;
! A* c4 n- A9 I# H& ~0 |" e) h. ^ pokeVariant[1].bstrVal = itemStr;& K$ B* {: ?- I& S% }5 E
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topicStr = SysAllocString((WCHAR *) L"system");
! P1 ?3 i/ d0 |# I VariantInit(&pokeVariant[2]); 3 Q: J# I( ~# P- @. L5 M. {- T
pokeVariant[2].vt = VT_BSTR;
d- r7 w& d5 @ C pokeVariant[2].bstrVal = topicStr;2 s. n$ e& l* k$ P5 h7 ?0 w9 P: F
3 t! b8 B4 C* J9 g) \+ x& m // Set the DISPPARAMS structure that holds the variant.; O1 A% j1 R/ l ~7 r
( i; d2 |5 e/ Z5 x4 Q dp.rgvarg = pokeVariant;
% K! i4 f9 c, _! t; ^( { dp.cArgs = 3;6 M3 ~, D: W, ]6 @
dp.rgdispidNamedArgs = NULL;4 E3 X) b( e0 d \: U
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()6 V; p3 z5 A- I" x; g
w! K; P, l& f* o hr = m_pDisp->Invoke(
6 A0 X5 \ S) j w: j: \$ }5 { pokeID,
2 u; {; q2 N/ |; l4 B9 } IID_NULL,* p- j/ H: ?" K! ]0 |3 T ]$ i* M
LOCALE_SYSTEM_DEFAULT,$ w* B4 i i( K- ~9 f
DISPATCH_METHOD,1 |1 p0 a7 q' I8 [; o, E3 Z# n8 @
&dp,# z' Y( K& Z" V2 w2 x% V( o
NULL,+ M; P* `% m3 H" c
&ei,
" M4 ]4 g: \8 k) l) X &uiErr);8 a+ n5 l- D6 [$ O
! L. U3 k8 n9 a* c6 l- U4 z SysFreeString(topicStr);# k" q" u: ]3 \& h+ _$ r1 k
SysFreeString(itemStr);
3 l9 u6 D* i( i' e' j+ x SysFreeString(valueStr);
V/ I6 h* O; p& C
9 I$ a0 i& q- @/ p; X, ^1 K: m 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???% d3 ^# n/ m7 W2 j5 k0 v
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????" b3 l+ w5 A& M) D/ M
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2.这是request的程序: ^+ m, _* @: R) o' V# K) ~! p% n$ s0 ~: |
// Request a value from Extend( u5 q, {( H& r: G
//
3 r9 j( U* M7 g) } // Initialize the variant that will hold the BSTR. Set the variant's& ?( Z5 q8 a" f1 z% ?7 I
// type flag to indicate the fact that this variant holds a BSTR. Place the4 p7 I! ?! w; r1 K" W- B
// BSTR into the variant structure.2 a: y k: y: Y
* h4 w) \3 t1 r2 A requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);9 T \+ G/ ~ z9 j
1 O7 V2 @$ q0 P2 g; a9 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. i3 r; Z. \, b- ?
VariantInit(&requestVariant[0]); ) w: ?/ b7 r, w0 o, s: d9 Z& j
requestVariant[0].vt = VT_BSTR;' m( H' Q1 p, P% T; X8 k& S
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");7 V( }$ y2 ?) K+ _3 j- v
VariantInit(&requestVariant[1]); . R8 Q' d" R4 N1 P9 N
requestVariant[1].vt = VT_BSTR;% d( v: c6 N1 {( j
requestVariant[1].bstrVal = topicStr;) V6 j# l1 i2 x
. G8 B8 s' r- g // Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
0 X, ~2 {2 {; V9 c% q' {# A dp2.cArgs = 2;
- u3 V* ?7 c3 H3 k* O( n6 r; ` dp2.rgdispidNamedArgs = NULL;
, ]' N" x4 ], D' u) K7 ~5 b dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()1 ^% t! _9 e# ^$ a3 n& t/ w) [
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hr = m_pDisp->Invoke(
. ?* {" }+ e Z requestID,
2 k8 `4 a+ a% j+ S7 U) G IID_NULL,
( f" ^* s' @: s LOCALE_SYSTEM_DEFAULT,8 n+ ~' K: i d$ K7 {6 d e
DISPATCH_METHOD,
% W7 b x4 y7 H: ^% \ &dp2,
; J* C/ \* X5 M4 f* C# k &var,
. I( h" N" [$ R' N2 |& V b, e1 j &ei,& q* U: Q; ?# E5 n4 }& t
&uiErr);
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SysFreeString(topicStr);
9 q9 }' f X5 E+ [ SysFreeString(itemStr);
2 O* F8 Z, r$ x/ F5 G4 F 请问该程序是获得extend里面的哪个值?
0 f p; ~% Q$ `, M- Q 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????
我来回答