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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:, X$ L5 u2 b$ D+ j
Name = (WCHAR *) L"Poke";4 ?% M; a7 g1 n+ V- P6 e4 b* b
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hr = m_pDisp->GetIDsOfNames (/ ^$ `. I& W. ]2 _/ V+ r" Z
IID_NULL, // reserved Q! {+ A+ e' v2 v( L
&Name, // Array of names to get IDs for& f5 |' J5 A* q9 f
1, // # of names in the array- {+ U% _& M% n9 V/ d
LOCALE_SYSTEM_DEFAULT, // System locale
. q$ N2 P0 ?) ?" z; G: f; n &pokeID); // Array of IDs to fill on output
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3 ~! M4 \3 [, S" v& T if (hr) ]. g {% [$ N- ^9 ~5 U) H
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MessageBox ("Get Poke Unsuccessful");' H/ [- F8 o1 @
return;
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1 U" c) T! v% |# M k- k: p$ c s" Q' ^6 e/**************************传递数据给extend**************************************/3 _' ~; w( A r( X- ^0 |
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 d b, K4 [2 M
9 u2 J+ L' B9 T) ?/ a valueStr = SysAllocString((WCHAR *) L"1232");
& o' F2 S, ^' }/ H VariantInit(&pokeVariant[0]);
4 o" C _7 m' O5 Q8 x6 y5 d pokeVariant[0].vt = VT_BSTR;
0 C* l9 @+ n1 b/ @, y1 w pokeVariant[0].bstrVal = valueStr;
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4 e K7 x9 p' o- x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: d0 D; s8 U. k8 r
VariantInit(&pokeVariant[1]); # f2 f3 ^3 L" Y
pokeVariant[1].vt = VT_BSTR;
! x6 j( \( j0 y- A. E- e H, w3 A3 j pokeVariant[1].bstrVal = itemStr;2 J! s* A; g0 e+ F$ i
- p4 n4 i6 d: m4 l$ W topicStr = SysAllocString((WCHAR *) L"system");% y# g+ o4 R; q' _
VariantInit(&pokeVariant[2]);
; H' W, K' m) X4 _4 j pokeVariant[2].vt = VT_BSTR;% N9 S1 L/ b j/ W; H9 k- b+ y
pokeVariant[2].bstrVal = topicStr;
; G- d& B" \' r
$ \6 d, J Y& k, |// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;) X1 v7 r" R& F+ Y+ D! h6 f( ^, P
dp.cArgs = 3;
9 |0 a' s% e$ Q dp.rgdispidNamedArgs = NULL;
, u: ]3 H4 n A$ b+ m; {/ j dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()! X( v: C# V1 z
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hr = m_pDisp->Invoke(- g5 h. e" j2 b2 m* j1 k/ W
pokeID,
+ \2 N$ Z- K: P, }* G' n# Q IID_NULL,
/ d) |! u& M' I LOCALE_SYSTEM_DEFAULT,
, }' A2 Z _8 h. h1 ? DISPATCH_METHOD,
% ], P" m1 D) [8 J! P &dp, g/ _- o# P0 K
NULL,
0 X+ d3 B9 n0 J- b. z &ei,6 Z; {+ V- `; ~" e
&uiErr);
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SysFreeString(topicStr);
2 N+ S2 G3 H% z T `: t SysFreeString(itemStr);
! ^" ?5 o" Q3 }9 K+ E$ C# F SysFreeString(valueStr);
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' n& y% U$ w D* i% |( M* [$ X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???' _( m5 G# ?3 \% v' D* 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
) A7 v# E& S( y! S: |. \6 F1 ^// Request a value from Extend/ _: z, [8 k; i& T
//4 O+ K" \4 K1 |' T1 _
// Initialize the variant that will hold the BSTR. Set the variant's
4 C$ `5 x% {8 i8 t& E" H// type flag to indicate the fact that this variant holds a BSTR. Place the
+ Q: Z+ c4 k7 ^' ]// BSTR into the variant structure.
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* a$ k5 u* r: n* H( K6 N, a; ~; U requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 R9 d& c! i/ \* ~
S5 d7 [) m7 {
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 j$ B) W m* N# M/ T2 T9 R/ v) C
VariantInit(&requestVariant[0]); : X: \5 q$ G' U' ^# z. i! h( F
requestVariant[0].vt = VT_BSTR;$ E5 ?5 M. b. M
requestVariant[0].bstrVal = itemStr;
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d! N4 \6 E6 W& y8 j9 Q topicStr = SysAllocString((WCHAR *) L"system");. A6 j" y2 X" X4 t( b: d# u
VariantInit(&requestVariant[1]); ; Y0 N$ l2 H- d2 I$ Z: O# _
requestVariant[1].vt = VT_BSTR;9 a! Y: Y9 D! s
requestVariant[1].bstrVal = topicStr;
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( e* T* g6 |- I$ k6 m3 O; J/ D// Set the DISPPARAMS structure that holds the variant.$ k' G4 L F0 B) m) B$ I& G9 u
% p/ X4 P9 u% A, u% A+ e6 v: b' w" ^
dp2.rgvarg = requestVariant;* U$ E5 ]5 Y" p# _( O
dp2.cArgs = 2;
6 ~ T* d3 p Q/ G+ x dp2.rgdispidNamedArgs = NULL;+ t3 V, I( [3 s0 F
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;8 U5 Y( Z) O5 J" N1 O% f$ R
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// Call IDispatch::Invoke()6 N% I+ }. R2 ]7 E% k6 \' ?5 \- Y
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hr = m_pDisp->Invoke(
0 d) [' T. Y6 l7 ] requestID,( M$ ]0 O) t& E) k
IID_NULL,
y6 @4 v ?# H8 _0 v" g5 e$ l LOCALE_SYSTEM_DEFAULT,* U) C; ^: m* A9 H( Y
DISPATCH_METHOD,
. P8 C+ E( U# l, q4 d" r &dp2,. g; H- d6 [2 X# g
&var,$ j. ` ^4 E8 H; F
&ei,7 C) d5 a i9 W$ |, l: V
&uiErr);
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f" I% z. Z6 L SysFreeString(topicStr);) `) I6 n6 }: j5 \5 c, i/ q
SysFreeString(itemStr);$ b2 `; b) s6 x6 \7 R
请问该程序是获得extend里面的哪个值?
2 j% X1 m l; k g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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