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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:
i. p2 P% d8 }. F5 nName = (WCHAR *) L"Poke";: F# o0 X# o" N
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hr = m_pDisp->GetIDsOfNames (! n+ m A7 { P* G
IID_NULL, // reserved
- u! T% s0 S8 d0 g0 G( z% o &Name, // Array of names to get IDs for6 a+ t0 q" _- J8 Q+ Z# ]( c
1, // # of names in the array
3 W" O7 _* A. @* _) p3 H" t. k LOCALE_SYSTEM_DEFAULT, // System locale3 A8 J9 T. [/ `- a
&pokeID); // Array of IDs to fill on output
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if (hr); L, r% V; E* ]8 d V
{
) f: _& m2 ?6 _* K1 ? MessageBox ("Get Poke Unsuccessful");
( R, x7 B: }8 t" m3 L! N7 t6 G return;
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0 o4 l2 I" o3 d( n0 [5 H5 L1 i/**************************传递数据给extend**************************************/* H0 I" G, R! X
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");+ ^% g V3 `' I/ Z
VariantInit(&pokeVariant[0]);
& r7 P9 X% q# V pokeVariant[0].vt = VT_BSTR;0 @5 v) B/ U6 U" {9 N- I3 U
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 \! G1 p: T* G2 j9 W8 @; p4 U VariantInit(&pokeVariant[1]);
4 C) W. s% I- W) A1 K# k# z+ [! k, S5 j pokeVariant[1].vt = VT_BSTR;
4 x! m i" Q. Y' Q7 U& M+ R pokeVariant[1].bstrVal = itemStr;& h" ?+ c$ \# M6 y( F. g, G2 [
3 o% n4 _0 T- v6 h3 x5 D' V topicStr = SysAllocString((WCHAR *) L"system");
e: L9 z' F y* d( I' @. q/ I VariantInit(&pokeVariant[2]);
; X! s) ~6 t$ m O5 e pokeVariant[2].vt = VT_BSTR;2 W0 P( Z) |7 T0 _0 R' \
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
' n. O5 b7 j7 p0 K/ a! ~ dp.cArgs = 3;8 |; ^) M- X4 t( G$ E
dp.rgdispidNamedArgs = NULL;
0 [0 }- F" R- Q5 |- T/ K$ u dp.cNamedArgs = 0;; m- R$ M0 E# {6 C8 i) ?: I w
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// Call IDispatch::Invoke()
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8 G6 H7 v; e; a# {; S( H- j hr = m_pDisp->Invoke(
( M+ u7 I! M* l6 ^( Y( r, g' ?) k pokeID,
! o- K7 X, i+ i6 H, S' P IID_NULL,: F" J n$ @& u
LOCALE_SYSTEM_DEFAULT,, z3 ]! S2 A. n: I2 i+ Y
DISPATCH_METHOD,( Q8 T% O% u2 |% g( S
&dp,# p ?9 S7 l: `- `# D- _
NULL,
% a$ m: G4 r9 D. q% O &ei,
) o @( [. y% T* p2 l) G: B &uiErr);4 M0 X9 O- \* q! j' d. z" Z
3 r5 q1 j% G& Z. e. g SysFreeString(topicStr);
" W" y: s$ z0 c& x0 Q6 f SysFreeString(itemStr);/ z( C% E) P, v- E& Y( K* q
SysFreeString(valueStr);
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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???
3 \' d: r) L! m5 ?8 l. y5 G' p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????) M, y0 J1 ]3 K2 F# X5 r8 `9 H
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( m" k/ U" t! e4 \) q8 |4 b2.这是request的程序4 y5 P' V& E4 Y. E4 C
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's9 M7 s$ G9 {2 c8 u4 P, p4 e6 B
// type flag to indicate the fact that this variant holds a BSTR. Place the' Y3 A W% Q5 T
// BSTR into the variant structure.( A# L2 e* L$ ?) F* Z3 Z9 }
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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7 R" B7 {. D) |8 | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 Z1 ?3 m% n: C5 n: O% X5 Z+ a+ a, { VariantInit(&requestVariant[0]);
0 a1 h4 G4 s% }9 V" Y requestVariant[0].vt = VT_BSTR;8 }7 ?" U/ `1 n' _
requestVariant[0].bstrVal = itemStr;6 Q# j$ C- G; N/ C Q
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topicStr = SysAllocString((WCHAR *) L"system");
2 U0 t9 i0 H' K, p) ?8 q( ?! Y VariantInit(&requestVariant[1]); . p$ X! k9 m# N, G
requestVariant[1].vt = VT_BSTR;( x" r" y8 J: Y3 W( [% C, b
requestVariant[1].bstrVal = topicStr;" ]6 [+ \" d& E# p* a$ m4 p
8 |& h! P/ u4 A/ U& v- R// Set the DISPPARAMS structure that holds the variant.
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) y" Y; F8 }3 v# e dp2.rgvarg = requestVariant;0 y4 d+ f. h, \- ]+ m6 t
dp2.cArgs = 2;: E Y2 n# D3 o7 Y$ O7 p5 P5 ^
dp2.rgdispidNamedArgs = NULL;
" V( H4 E: h+ s$ w2 z& U$ l% t! H dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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# t2 |3 ^& l2 \. z2 u" ~- m// Call IDispatch::Invoke()7 P' s5 H/ J( ^% @
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hr = m_pDisp->Invoke(, u; b7 _) u) y& V' N5 n
requestID,/ J5 l# Z, R/ i/ l
IID_NULL,
" O6 N4 g3 f! j$ f& e/ t/ T LOCALE_SYSTEM_DEFAULT,& V! i* ~) L8 D
DISPATCH_METHOD,# r9 E1 O! W( q7 n
&dp2,
- l7 [) ^. w5 p, s. G. G; D7 k &var,
; M1 Y: B [5 T$ q. `. T &ei,& n; Z; O- X. H1 Q
&uiErr);
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SysFreeString(topicStr); N4 P; `& v! a% e
SysFreeString(itemStr);- W( q) g: H7 y8 |
请问该程序是获得extend里面的哪个值?- ?: r: F, A C$ A( b p/ 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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