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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:* G% \# u% I4 F1 `; e, C# W) \
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (# P/ Y5 Q( f% F( z& o- q
IID_NULL, // reserved9 }1 r1 }: c! \( _
&Name, // Array of names to get IDs for, x. z% Y8 `1 Q3 |
1, // # of names in the array' b ~9 Y5 l7 o* e2 ?
LOCALE_SYSTEM_DEFAULT, // System locale+ [+ Z; S+ o/ a0 o$ U4 U
&pokeID); // Array of IDs to fill on output
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`) Q- r! {5 D% u' ?7 [ if (hr)0 m4 Y$ Q- a: }9 a B
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MessageBox ("Get Poke Unsuccessful");8 b/ m' c, B" a9 z. _
return;& w( t5 f/ \; [0 l- ]' E" o
}
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/**************************传递数据给extend**************************************/
; J# n. X. Q+ S% J {0 k6 l& C# a5 c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");$ a/ u8 [7 G( Y0 \. h3 G4 L
VariantInit(&pokeVariant[0]); 2 e) S* M' i l
pokeVariant[0].vt = VT_BSTR;/ T1 g' I( }. F# w
pokeVariant[0].bstrVal = valueStr;2 j3 Q" n# X& o
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 S, h* c" L+ g( [3 k) ~$ o VariantInit(&pokeVariant[1]);
6 z" z, P# L6 J* S pokeVariant[1].vt = VT_BSTR; k: c, L: @7 l" `+ H1 _
pokeVariant[1].bstrVal = itemStr;4 b) j! [9 H/ y6 B: z# [
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topicStr = SysAllocString((WCHAR *) L"system");
4 G- c* x; u: C" B1 { E& R VariantInit(&pokeVariant[2]); $ f* z" T o( N/ J( k. l. _6 P4 R
pokeVariant[2].vt = VT_BSTR;
! }/ k: ?9 W# r pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.6 y# \, U2 `: |/ {! e4 P
' G( {1 O( Q9 ^0 t% E$ N dp.rgvarg = pokeVariant;* L% {" u* K" w* ?6 Q8 y) Y
dp.cArgs = 3;
z7 e8 _& n5 h% Y* q& t dp.rgdispidNamedArgs = NULL;
8 V: e* `. Z9 h dp.cNamedArgs = 0;
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4 M$ G7 S3 E4 E0 g3 N4 o/ n// Call IDispatch::Invoke()
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: y# R e9 f3 e hr = m_pDisp->Invoke(6 K t$ p0 Y4 ~9 {4 y
pokeID,
# R5 W8 S6 V3 Y) ]' y IID_NULL,
& `* ~; l+ a' k( I5 T6 ? LOCALE_SYSTEM_DEFAULT,5 j/ |' W$ [1 s
DISPATCH_METHOD,; Z! |6 I9 h w* _0 ]" k6 ~
&dp,4 _; k; Z1 l3 L5 I( Z& \& d
NULL,
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&uiErr);
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SysFreeString(topicStr);* k& m8 h: _2 J& ^5 `
SysFreeString(itemStr);- B) U. O6 c5 S1 N' `
SysFreeString(valueStr);
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9 j$ |' U& g/ l4 G1 Y9 d1 W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???' E' a! B( b- [3 T% F
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????, B, H$ j) G# P( E9 B) s' ^ b
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2.这是request的程序7 I# W) H( [* Y
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's5 `+ L( v |+ r9 w
// type flag to indicate the fact that this variant holds a BSTR. Place the3 n: `: g# i! E& r$ O
// BSTR into the variant structure.$ i* C+ L# ^& S3 f/ r: F
. h3 r4 `8 u& M' A) J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ ~ Y( h$ x: M+ Z' E( t6 B
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# W0 s7 N- w ]9 k8 m- B* n VariantInit(&requestVariant[0]);
. e& g& i8 J9 {) D requestVariant[0].vt = VT_BSTR;
+ h4 m* C% X0 _$ d) L+ |' ^ requestVariant[0].bstrVal = itemStr;* a% C/ L: B6 r" o) f
- j5 `. ^# b8 k: b topicStr = SysAllocString((WCHAR *) L"system");
7 k p2 d7 w. d4 X A& \ VariantInit(&requestVariant[1]); 1 W6 @/ D+ K" o+ B! j! k v0 _
requestVariant[1].vt = VT_BSTR;
3 v/ x8 l; e6 \- _2 b0 r* U z requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
% Y& |& [$ U7 G$ Y, m! A& } dp2.cArgs = 2;
* j* K0 |2 j. q$ T dp2.rgdispidNamedArgs = NULL;
! E9 i9 J2 I; Y3 K8 _- Q* ~, e' u dp2.cNamedArgs = 0;
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. X# k+ g0 f1 D1 K: \$ Q" i var.vt = VT_EMPTY;2 Y1 S, q8 f* m; V2 X- u0 u
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(& r% S- _+ V* W1 k* L! F; i7 Q
requestID,
' `% m4 r. r, \/ T0 r6 Q6 g# _ IID_NULL,- [- {; ]) K( N2 r& f; i
LOCALE_SYSTEM_DEFAULT,
5 B: o; E7 T% T- w/ M. ` DISPATCH_METHOD,; |! R: ]/ X; A
&dp2,
7 X& U8 `! Y: m! ] &var,' z+ z# s9 A! ?# T" @: K
&ei,$ C x- S+ i0 [# E4 P* X9 n
&uiErr);
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9 S$ m: J7 T3 a6 X Y" n SysFreeString(topicStr);# ?& @2 l7 `* I# c" _6 F1 q
SysFreeString(itemStr); h: T' R8 i# M9 }! n! _2 x
请问该程序是获得extend里面的哪个值?7 L/ r1 R1 D: ]9 w6 P L
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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