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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:( U3 K4 t: Q! B/ f1 D9 s: X# t
Name = (WCHAR *) L"Poke";6 m5 P1 i3 Y0 q- u2 R) }! Y( p9 o$ a
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hr = m_pDisp->GetIDsOfNames (
# p8 O0 g$ K6 A) r a8 \9 o IID_NULL, // reserved
. B$ t* p6 K; p! h &Name, // Array of names to get IDs for
' C E P7 W" g 1, // # of names in the array& n! i5 w+ s) u' \0 O& F1 E
LOCALE_SYSTEM_DEFAULT, // System locale
G8 H& f0 l' C( ~. J( ` &pokeID); // Array of IDs to fill on output! ~6 s( b2 |+ _/ A2 C
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if (hr); _8 P. ~0 O7 |7 V5 ^
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MessageBox ("Get Poke Unsuccessful");, R: B' ]7 `# G, O2 V
return;
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/**************************传递数据给extend**************************************/
/ F5 z. q6 c( B4 { F, i pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 u }5 X. y5 x4 ?
: l2 e- G/ s3 x, v valueStr = SysAllocString((WCHAR *) L"1232");7 h: J# a. J3 |1 z# l- \$ x9 j3 c
VariantInit(&pokeVariant[0]); - O4 s9 V) o' u! F3 X
pokeVariant[0].vt = VT_BSTR;
6 J- `8 O( e( _# r6 c2 e3 e, c3 N pokeVariant[0].bstrVal = valueStr;
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8 m' b% D( J6 R# t# R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 i& E) [' I- r2 F* l8 Q VariantInit(&pokeVariant[1]);
" G# I3 N r+ o$ S$ I pokeVariant[1].vt = VT_BSTR;
- E/ P( p" ]5 ?4 u& J$ m pokeVariant[1].bstrVal = itemStr;
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1 X) o/ y2 ~$ U6 Q7 E# [ topicStr = SysAllocString((WCHAR *) L"system");0 W4 j S' F/ Z" a( F! I- S
VariantInit(&pokeVariant[2]);
% M. Z5 O# s0 L% s& H pokeVariant[2].vt = VT_BSTR;
. N* m0 b2 b& r) \# R* p4 [ pokeVariant[2].bstrVal = topicStr;5 d, }% b* e5 g$ O* S
: L9 G& o' |9 O+ q, D. E( O// Set the DISPPARAMS structure that holds the variant.
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! S' r% m: k; I" }& @ dp.rgvarg = pokeVariant;& s! a2 m+ ^$ t2 e+ U
dp.cArgs = 3;: ]) Z8 @% K2 U P* N2 \
dp.rgdispidNamedArgs = NULL;! }# _+ `1 B! f3 G4 T
dp.cNamedArgs = 0;7 n8 y" I6 U5 y
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// Call IDispatch::Invoke()
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4 z. }" ^2 G* c hr = m_pDisp->Invoke(: S6 u0 N6 P6 S- s
pokeID,
2 ] I6 z# N# a6 u# s4 R: B IID_NULL,
* T' }2 ]- L+ E' l0 }8 e! x LOCALE_SYSTEM_DEFAULT,
2 N! s3 V1 O6 `" S, |; @* k DISPATCH_METHOD,
( v7 t* V8 o4 ^! R &dp," r3 W3 s2 F- E0 f2 N
NULL,
0 W$ B' _. R# F" j* n* J& | &ei,1 _) V* @9 A/ o9 {
&uiErr);- Q" l4 t7 x T& I$ X- P/ r/ K! ~
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SysFreeString(topicStr);
0 w. Y, o; e) i0 f SysFreeString(itemStr);
) W/ ^, G( \( D& Z/ b) p SysFreeString(valueStr);
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5 ]( i9 f! n' ?( n. ?' a7 Q4 h0 T6 x; m现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???2 F. r0 x* n, N; e9 Z& ~
此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????* H/ V5 i( r" X9 T) E
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2.这是request的程序
8 q1 C ?, t" V- o7 ~7 M: ~1 j// Request a value from Extend
* y8 q2 a' v9 ^//
2 `& V; h' ^: \) d' K// Initialize the variant that will hold the BSTR. Set the variant's. ~5 L% S6 k! D
// type flag to indicate the fact that this variant holds a BSTR. Place the; i4 {6 O& M. n( ^6 H3 O+ t
// BSTR into the variant structure.
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. ?9 z5 M* y R: p) T requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- M( Q/ e7 j8 c4 n1 ?
e, C0 }, f7 _2 {1 `' k _. | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 T3 A4 r- u& t" d3 S VariantInit(&requestVariant[0]);
' K0 C7 G( L0 w! {: w6 f, r* y: T8 h requestVariant[0].vt = VT_BSTR;( }. R4 M8 e5 `" {: {
requestVariant[0].bstrVal = itemStr;4 H' J# t0 r: v- J5 Y+ s; i* G
) H9 D" ^* M; `# I1 C# t topicStr = SysAllocString((WCHAR *) L"system");
% z. l8 d/ E. T8 L6 p VariantInit(&requestVariant[1]); 9 e3 I+ _. X# R3 P% D; l, \
requestVariant[1].vt = VT_BSTR;* X4 C' n, z* N" R
requestVariant[1].bstrVal = topicStr;- A2 w% |9 m2 K" ]3 b4 w
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// Set the DISPPARAMS structure that holds the variant.
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, L& y7 M9 k, M: [3 E7 o& Z dp2.rgvarg = requestVariant;
/ {, `5 F& k' j& C6 f! ] F- z1 m dp2.cArgs = 2;2 |- I5 T2 u: ` F. n& u
dp2.rgdispidNamedArgs = NULL;
3 F9 |; S, e% \3 h+ R- i dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;5 h7 C# k$ |+ Y
" n; a- w; ^7 c// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(5 p0 C' D" y* R8 A' g) |& V# z
requestID,8 ?$ b, u5 }7 w+ J1 |& ?! H
IID_NULL,
* \ @0 W2 V' D) N! ^ LOCALE_SYSTEM_DEFAULT,
! }( i! z7 m0 y4 c5 A0 S DISPATCH_METHOD,
9 B) Y; B5 @) F &dp2,
0 w' u7 x1 M) h7 w. t9 {! N0 P &var,0 d4 L" v0 @+ |
&ei,
7 m7 R- ]' A: G &uiErr);* g, s9 X8 `; }
2 l( k" V. b0 z% a) P SysFreeString(topicStr);8 e! K4 r* f8 g0 ]; `* V' x
SysFreeString(itemStr);
3 k8 [4 F; L/ `请问该程序是获得extend里面的哪个值?0 s$ R1 V K( H1 e7 [- e
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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