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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:/ b6 l9 E6 L5 W& h: C8 l# o
Name = (WCHAR *) L"Poke";
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& F6 ^- v# o/ i4 C% d- C9 N" Z hr = m_pDisp->GetIDsOfNames (
, l% u6 L8 H7 h. {. q5 Y0 m IID_NULL, // reserved
% S6 l: S9 J! M9 I &Name, // Array of names to get IDs for I2 O( _, T/ J% N
1, // # of names in the array9 H4 G1 R4 C9 {
LOCALE_SYSTEM_DEFAULT, // System locale' Y4 q, b* S( r! x, |( F" z
&pokeID); // Array of IDs to fill on output
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% @/ Q* N3 k# I* ~2 t if (hr)' F* W1 w3 G; M" B! _2 T/ z
{1 g& ?9 i3 Q0 S
MessageBox ("Get Poke Unsuccessful");
. l! k+ n& ~2 `( ^" L; ]% T: u- o return;
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/**************************传递数据给extend**************************************/
2 @2 B2 z- |7 G4 Q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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- c+ x' @2 ^! M6 G6 m( A* P valueStr = SysAllocString((WCHAR *) L"1232");
' g) |5 X: m @1 @1 n2 W; ]2 J VariantInit(&pokeVariant[0]);
; x" S. O6 ?+ C# x" { pokeVariant[0].vt = VT_BSTR;& P' j. t5 }2 f% _* J4 h
pokeVariant[0].bstrVal = valueStr;8 r. C0 G, D3 e- W: C
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
X5 r/ g! Q: t VariantInit(&pokeVariant[1]); * j/ ]6 q) k( G0 B: n% H/ D
pokeVariant[1].vt = VT_BSTR;; V0 `' J5 N& U3 o$ e
pokeVariant[1].bstrVal = itemStr;5 H' X5 D0 ^8 h; Q) z1 V4 ~% B7 ]
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topicStr = SysAllocString((WCHAR *) L"system");
" o' I- A% Y2 \1 A VariantInit(&pokeVariant[2]); 4 O9 Y. i4 ?( v
pokeVariant[2].vt = VT_BSTR;
) J$ A" i3 k$ F% S3 m( m T pokeVariant[2].bstrVal = topicStr;4 `, b1 B* Y; E# g0 l+ s; Q
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// Set the DISPPARAMS structure that holds the variant." R8 M( q) y7 u: W' L: p
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dp.rgvarg = pokeVariant;
# h) [* z; Q! f2 r dp.cArgs = 3;
& V( R* [2 S) [4 E% @8 S% o dp.rgdispidNamedArgs = NULL;8 u5 J; J4 z# I
dp.cNamedArgs = 0;2 i% A$ L1 K- |
" @! \1 h( x4 G4 `3 |- e* B ]' M// Call IDispatch::Invoke()' c9 }- [7 h5 I' {2 x O
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hr = m_pDisp->Invoke(, r+ Z+ X y {+ s1 x3 q% D
pokeID,
+ c* a3 `, z: L' R IID_NULL,
& Q# N5 g" d$ Z( N3 R$ Y LOCALE_SYSTEM_DEFAULT,7 S2 `# T9 L. j9 I9 g. t
DISPATCH_METHOD,2 L; T" K. X, T
&dp,# Q( X* H9 H' V5 O5 r
NULL,1 p0 S" u/ ^. \3 ~, ]' H6 N/ j
&ei,
# b/ z6 o3 P( X1 _ &uiErr);3 M$ W4 Q" H8 U- h
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SysFreeString(topicStr);
: r' _& Q) S3 i7 x, u; Z) Z6 n SysFreeString(itemStr);1 M8 j1 A' F3 s
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???8 `8 u' s4 T) p" ~5 N$ b
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????* E g8 x6 k( }/ Y' j: W
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9 f% h- h/ h; m* O7 S. n2.这是request的程序
( p# `8 q |0 j+ y {// Request a value from Extend7 V6 F$ ~! y' E$ P) _" @
//4 J X! w6 M& ~+ \( m$ x: g; w$ r
// Initialize the variant that will hold the BSTR. Set the variant's, C3 J' A* Y) l) j: a0 a' c. Y
// type flag to indicate the fact that this variant holds a BSTR. Place the+ Q) @) E- I! I N* m! i' h( i C. E
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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0 T5 I! R& c2 m9 a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) R* x4 [5 p# y/ t( \ VariantInit(&requestVariant[0]); 1 s$ e) |0 ~+ o4 S! P H# p
requestVariant[0].vt = VT_BSTR;
6 f! v/ X7 o, H- b3 N* u- r% a requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
8 F" I( _. b K; I VariantInit(&requestVariant[1]); - O" j# |6 u9 i, K
requestVariant[1].vt = VT_BSTR;: @0 o/ ~; F) ^5 u! @# D# K' a8 A
requestVariant[1].bstrVal = topicStr;
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% K- G! M" Q/ w// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;! ^* x- `* F- @4 F1 |6 D+ c
dp2.cArgs = 2;
+ K: {" V2 f* P5 [" X% A dp2.rgdispidNamedArgs = NULL;% c+ I% P! w1 m8 G2 I
dp2.cNamedArgs = 0;4 H/ v8 N. G! J, `6 n
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var.vt = VT_EMPTY;: u. l) F5 M5 r/ K
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// Call IDispatch::Invoke()' d6 z# C" z) l8 `% T9 O7 b
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hr = m_pDisp->Invoke(6 q" q" P' j/ T3 T" L( F
requestID,+ C. Z( H7 }9 r2 u0 l- N
IID_NULL,' R0 I' R' ?- n# {# C6 f7 }3 o
LOCALE_SYSTEM_DEFAULT,, p0 p$ z1 }$ ~4 `+ ~
DISPATCH_METHOD,' y+ V4 a7 w. U; J6 \4 f3 q0 z
&dp2,% ^* a) F+ `! [; g* v, c' c. x; B
&var,, y9 z7 E1 S. Y; a
&ei,' ?2 f) G1 R! w6 J2 A% |) q
&uiErr);
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/ x, p; S- D6 c! j( W4 K; v6 v SysFreeString(topicStr);
/ w' n- _( o+ R* r; N' j SysFreeString(itemStr);( H3 f: Q: b3 u4 a' B2 Z
请问该程序是获得extend里面的哪个值?! u9 m) {# O4 t* \* \6 j
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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