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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:' y. [+ D5 r( }( N- u/ @
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
* W& n+ g' J2 D! I) S, v IID_NULL, // reserved x8 G* E4 p4 \/ \
&Name, // Array of names to get IDs for
) H, J; Q6 C. _# h; N 1, // # of names in the array
- S7 Y/ O& l# g2 [% Z6 I, y LOCALE_SYSTEM_DEFAULT, // System locale
0 A5 ]" F: I* x8 e( J6 W &pokeID); // Array of IDs to fill on output J6 r' w" \7 w9 V# Z
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if (hr)
# W1 F5 P+ C% H; B6 V {
6 h% x9 c+ o3 f B7 @ MessageBox ("Get Poke Unsuccessful");/ O& W' u& ~- g. Z2 `6 y
return;
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/**************************传递数据给extend**************************************/
b+ g0 I) [* W v# Q$ S$ D pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* Y4 P$ `4 Q' I: i' `
5 F7 h8 R- d- Y. ~: l7 G valueStr = SysAllocString((WCHAR *) L"1232");
; j2 T7 d1 ] H1 o VariantInit(&pokeVariant[0]);
D$ b6 {% ]6 f) M2 y- ~ pokeVariant[0].vt = VT_BSTR;
/ E- p" P i7 {/ |+ G pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( i8 ]0 {5 ~+ ]8 b. e
VariantInit(&pokeVariant[1]); - ]% b, i. f* w8 w( z+ w* m
pokeVariant[1].vt = VT_BSTR;
7 E+ S; `# V* R) j) j& Q) a pokeVariant[1].bstrVal = itemStr; ?: D8 G' T8 [2 e' B
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topicStr = SysAllocString((WCHAR *) L"system");, n( m |2 y# s
VariantInit(&pokeVariant[2]);
+ |% t/ q7 D0 ~; n; M- r1 e6 P pokeVariant[2].vt = VT_BSTR;
; n- l* D6 W3 B s0 A$ J) K* G pokeVariant[2].bstrVal = topicStr;( f! B) s4 d7 o8 S: Z' Y
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// Set the DISPPARAMS structure that holds the variant. e. s: Y; A& S
, g) o- s3 a6 B% z. H5 `$ W- u! W2 F dp.rgvarg = pokeVariant;
5 W1 J# k" @; ] dp.cArgs = 3;
, N) Q1 y' e: m# p# R" @2 H dp.rgdispidNamedArgs = NULL;
. v+ M0 R" w* H/ o) H# m dp.cNamedArgs = 0;
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4 T: E7 Y- X, q' | m// Call IDispatch::Invoke()
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3 |1 Q r4 g7 ]9 e6 _: g hr = m_pDisp->Invoke(
8 L3 @* V& Z# K3 b; }: X, M2 t pokeID,
. r3 Y3 A$ D6 i3 A: \ IID_NULL,
e5 t. K4 \. e( @ LOCALE_SYSTEM_DEFAULT,
' j% f" b) V y3 V0 a3 y @ DISPATCH_METHOD,
* h. m% [- D( d1 s4 e &dp,
+ f2 i$ Q+ r6 M0 W+ o- N7 @. C( b NULL,! y" Z" ]4 |) J) z+ t+ b6 M
&ei,! T. Y' ^& K+ n$ ?3 \
&uiErr);2 m7 o0 q7 [# I; X8 Z/ b5 Y
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SysFreeString(topicStr);' x9 H, n/ T4 j/ n' w! R. `
SysFreeString(itemStr);
4 ^+ B4 t: W# \( @ SysFreeString(valueStr);$ O; G: M% S" A& s2 y, R
3 @8 U# p3 U1 q
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???
5 x D5 x" }# n- K7 d: H( o& U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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2.这是request的程序( Z1 V# I; t2 K) V
// Request a value from Extend/ X( ?" k- c+ K; `6 p; |
//
3 u8 W$ ]3 W [% k// Initialize the variant that will hold the BSTR. Set the variant's
. G8 F4 j2 t9 Y) G; m; J Q0 E( _// type flag to indicate the fact that this variant holds a BSTR. Place the
6 U c, n' V8 Q// BSTR into the variant structure./ S5 [" z, K2 A" |; E: x
. Q2 p2 s. T% [* q2 G& {! D2 { requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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; _, E7 v/ \/ q/ i0 t8 S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) C Z5 F2 j1 e8 o. x$ Z, a VariantInit(&requestVariant[0]);
# l s3 ?4 @* K& S2 t* s requestVariant[0].vt = VT_BSTR;+ ~7 [3 n- F9 x' J2 x
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");. h$ q: ^$ r( K" C3 @# j
VariantInit(&requestVariant[1]);
/ Q: [( v+ i' T. L ?0 `& Q' g requestVariant[1].vt = VT_BSTR;
8 U' j9 e: y- a( l requestVariant[1].bstrVal = topicStr;, M6 C$ ]* j( m C9 y! j
: t b5 X# c4 f' C% s7 ^// Set the DISPPARAMS structure that holds the variant.
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* @1 \% y) O$ I; L% | dp2.rgvarg = requestVariant;
& T$ _) @- j, a, v4 H dp2.cArgs = 2;( Y3 n1 R! n6 l4 o( }" m
dp2.rgdispidNamedArgs = NULL;
% }' e0 p# o- W' N A dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;! I; D, _. e' ~' ]3 |+ f h/ w% |4 }
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
7 m. w1 r+ o1 x) n: z# @* J' }5 t+ | requestID,
0 d% }7 @; o$ c" f& @" h" y IID_NULL,
S( W8 l% c' D. R LOCALE_SYSTEM_DEFAULT,
9 H7 s: ^5 H% W! q3 b w DISPATCH_METHOD,, k Z R+ B* }( j6 S" K% R6 K
&dp2,
$ r& A( r4 ]& o$ t. t. q &var,' A/ R! @) Q6 w* H6 D0 H
&ei,7 ]& }& k, o3 d2 c
&uiErr);
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SysFreeString(topicStr);( N! c6 W$ i5 F& ]
SysFreeString(itemStr);
- l1 H% C- Z; r! ]5 C! C请问该程序是获得extend里面的哪个值?
! x2 a/ U; O* G& Q" F$ S- O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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