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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:5 C# [0 h5 b7 u8 @; y
Name = (WCHAR *) L"Poke";
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6 w/ S& K7 \% N& B' W( {- I hr = m_pDisp->GetIDsOfNames (7 O: K0 P# |/ @6 {
IID_NULL, // reserved+ T1 v7 S: }' F5 t/ e
&Name, // Array of names to get IDs for
* t2 `2 }" ^2 w/ `# q 1, // # of names in the array2 j' n9 W' k5 S" b) e
LOCALE_SYSTEM_DEFAULT, // System locale% G' Z" O! n( U; K2 g
&pokeID); // Array of IDs to fill on output
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( k7 E* C6 j3 D. U if (hr)
9 ]% O' }3 U. D# A' ^ e* Y {
( v6 o- k# U9 K4 D MessageBox ("Get Poke Unsuccessful");
5 _! S. a) q+ N return;- b3 b8 o8 K# R# r
}& T: d+ s0 _8 q3 f- H! d
8 u* C9 z0 q# R% E$ }
/**************************传递数据给extend**************************************/% y3 Q0 x2 _8 p3 n, N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 I# Z! ~) p" o& k2 W
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valueStr = SysAllocString((WCHAR *) L"1232");4 P: u$ O$ e9 n1 T3 M, ^; c
VariantInit(&pokeVariant[0]); # w- t, r2 _' Y( `( W
pokeVariant[0].vt = VT_BSTR; a* S* b4 y9 U+ |
pokeVariant[0].bstrVal = valueStr;& R3 c8 F; a# f0 s' l [* m4 V
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" b) K2 i! u5 P6 I
VariantInit(&pokeVariant[1]);
% u: n; { B3 H- ?* ?2 i0 V pokeVariant[1].vt = VT_BSTR; V% V6 l+ W, r* D6 z
pokeVariant[1].bstrVal = itemStr;4 h5 T& m0 T$ z
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topicStr = SysAllocString((WCHAR *) L"system");; o. o( o5 C% ^. h. F
VariantInit(&pokeVariant[2]);
- z _3 G0 N [4 C* P8 @ pokeVariant[2].vt = VT_BSTR;: }" v* C6 Y2 a5 n8 W% ?
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;1 r% O; m" i+ a4 ^+ w& z
dp.cArgs = 3;
" L, X: P ^3 g dp.rgdispidNamedArgs = NULL;+ @6 V2 Z+ i" [+ W$ C5 H. d
dp.cNamedArgs = 0;
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* ?6 d* i6 n8 Z) f// Call IDispatch::Invoke()
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1 s5 Y! @: _1 b9 L* g' s hr = m_pDisp->Invoke(
" g) l3 A& `7 ?9 O* Y/ y0 O+ S3 { pokeID,8 D/ y% C8 ~4 t! T/ W$ ?) W8 _% ~
IID_NULL,
/ D$ m# _% g, y4 S% W LOCALE_SYSTEM_DEFAULT,
) |4 h% \6 U& O [4 |7 { m DISPATCH_METHOD,
1 t, D$ e/ ~3 j, D3 K &dp,
5 U. w$ y- u* ?, l* E NULL,
1 B6 ?2 Q S* _$ F _1 G &ei,9 J9 b; y9 k4 U) b% ?! \3 W2 S
&uiErr);
% I, }# A0 j: d5 @
6 q0 G9 W4 `) O# K" c SysFreeString(topicStr);. i. T0 Q' p" Y
SysFreeString(itemStr);
+ P4 [- z( r* K SysFreeString(valueStr);
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* d, I+ x; R$ F, E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???( L' u: f/ L r+ w
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9 g7 G: d' Y2 [& i8 ]& `9 o. N6 W
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's) }. o, X7 G3 C2 N- q. d2 O
// type flag to indicate the fact that this variant holds a BSTR. Place the
# A# J2 F9 j9 c8 P+ x- S// BSTR into the variant structure.$ Y4 o- E! K. t3 c% [ q: |
1 H! H0 V' i4 B( _5 J! U requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
4 ^, D `' q+ Q$ G+ }
4 \8 h% q" Y' u+ S h7 _6 | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 i7 O/ f8 V8 f
VariantInit(&requestVariant[0]); ( \& H5 N# t1 ]- v$ K% i. h0 Q8 n
requestVariant[0].vt = VT_BSTR;9 D/ |' |, C4 z9 S' L( @
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");, g Z! ^7 E3 _
VariantInit(&requestVariant[1]);
/ M; r) r6 X( O3 x N, W requestVariant[1].vt = VT_BSTR;
! g+ s3 k' b l: G. o0 c requestVariant[1].bstrVal = topicStr;0 P7 P2 b" P% t8 W# Q- |
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// Set the DISPPARAMS structure that holds the variant.
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3 c" G8 V$ Z- g+ G! Y/ K+ s dp2.rgvarg = requestVariant;* P2 Q3 X6 S- C% n4 l2 G
dp2.cArgs = 2;2 c2 y* C9 s3 F- j& x
dp2.rgdispidNamedArgs = NULL;) |$ T/ |5 T k
dp2.cNamedArgs = 0;
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7 N+ q7 x1 w: Z5 v9 A# f% p var.vt = VT_EMPTY;; t1 \/ V) Z2 Q
* L3 \- m5 ?# V, `- n+ c// Call IDispatch::Invoke()- {; z' T! t; y! k
! b3 u0 I8 O7 C hr = m_pDisp->Invoke(
: N6 R+ Y, l: o" u: K$ ? requestID,
* R8 ], ]) x/ v" J4 N IID_NULL,7 c# `3 q8 l6 M( G
LOCALE_SYSTEM_DEFAULT,
+ c' \ i4 B, M8 u DISPATCH_METHOD,% d& m0 h1 L' P' K' U# `
&dp2,
' `% s: F4 X# y# d! ` &var,6 L A" r- ^9 i! J1 P
&ei,' g3 c/ j/ [+ b0 d7 [ L' Y
&uiErr);
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' h& M; l% X. ^/ K! ~ SysFreeString(topicStr);
- W# I) Y9 T6 R SysFreeString(itemStr);$ t; o/ q1 j" d" {
请问该程序是获得extend里面的哪个值?
5 k/ r! w. a4 j' }' x1 g1 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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