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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:6 r; a- I: Z. [( ^
Name = (WCHAR *) L"Poke";& j9 \. T3 R; h9 h' g* t- q# j
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hr = m_pDisp->GetIDsOfNames (4 x* l* C, C2 }( H- w# M( y, {
IID_NULL, // reserved5 g4 K8 e7 s7 s
&Name, // Array of names to get IDs for1 y& W' q6 {0 x9 ^% a/ f
1, // # of names in the array
8 F& z+ _. t- |( d" E LOCALE_SYSTEM_DEFAULT, // System locale8 d1 p! P0 p& M# M; h! L6 V
&pokeID); // Array of IDs to fill on output
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! ]) l5 h' X5 l" q O if (hr)
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MessageBox ("Get Poke Unsuccessful");
6 f( u) t7 P) l1 V" q: y% T! U return;8 s1 D5 A4 A( v
}
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/**************************传递数据给extend**************************************/
; |, W j0 C `* v pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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7 a) A* s& g3 n4 a& O valueStr = SysAllocString((WCHAR *) L"1232");! N( Q! d' g. T+ j M
VariantInit(&pokeVariant[0]); 0 K( C7 U- X5 E" g$ H8 `
pokeVariant[0].vt = VT_BSTR;
2 F/ F! P+ o) l2 @, [& m8 _2 O pokeVariant[0].bstrVal = valueStr;
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2 W! X" _. G1 R8 n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 |. J9 g! V+ f' f. I6 U
VariantInit(&pokeVariant[1]); 0 [3 U% O/ C w6 [) Z, C9 o
pokeVariant[1].vt = VT_BSTR;
3 o2 W7 K$ {# w* @5 X8 g pokeVariant[1].bstrVal = itemStr;9 K# E2 w& z5 T
/ S: Q) \: k$ V& B( Y+ n topicStr = SysAllocString((WCHAR *) L"system");
, V& [2 g2 s5 V5 n VariantInit(&pokeVariant[2]); ) e+ l8 F0 I" C2 {. s
pokeVariant[2].vt = VT_BSTR;
2 m! Z+ c% F% m. o% l$ ] pokeVariant[2].bstrVal = topicStr;
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& x6 K4 v% T* j// Set the DISPPARAMS structure that holds the variant.5 @0 T, Y6 ?1 n! I; r
a9 M; l1 p% L Z
dp.rgvarg = pokeVariant;8 K8 O% O0 p0 @
dp.cArgs = 3;
. ^; v% ~8 @: v dp.rgdispidNamedArgs = NULL;. n- y; j/ }+ Q% M9 u, }, N
dp.cNamedArgs = 0;
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2 ^. E# b0 | b" y// Call IDispatch::Invoke()/ P5 ~5 d# Y( \5 x
: O( G1 t( g) [, k& h0 { hr = m_pDisp->Invoke(
( Z1 G. V0 c8 T. p pokeID,# k. V: O8 b# X8 S' |$ }+ X
IID_NULL,. E1 G8 l; X; ^4 g5 J2 }
LOCALE_SYSTEM_DEFAULT,
9 e3 b- ^) N P DISPATCH_METHOD,0 J( \: c4 ?! K( Z4 l2 d' z
&dp,0 Z% U2 x/ }* W* ~( [: E
NULL,: L+ }" m! }6 ~
&ei,. Z T' t) `8 a2 |/ r+ p" P
&uiErr);
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SysFreeString(topicStr);1 x; f d, ?! Y
SysFreeString(itemStr);1 \. J+ R- l1 l2 i! R: y
SysFreeString(valueStr);+ ^) P" t! E( A, o
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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???
o. m9 ~: C$ d4 n Y: i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& z) `7 e3 L6 j
// Request a value from Extend) I) p* w) g9 c7 g3 t$ }: K
//
0 ?. A# B' ~$ S4 {$ d// Initialize the variant that will hold the BSTR. Set the variant's
1 C% E! d, q, \3 w$ U' L# r// type flag to indicate the fact that this variant holds a BSTR. Place the! z( y( P+ Q2 |2 P
// BSTR into the variant structure./ y3 o2 B1 Z) s# z1 p& \. f
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: V8 S( ? S, U6 [
VariantInit(&requestVariant[0]);
0 i: a: `3 M6 r; C9 }: y+ P3 n requestVariant[0].vt = VT_BSTR;
) S5 a- w0 u' G5 ~# i. a4 z; S requestVariant[0].bstrVal = itemStr;* b5 P- U: ?- f+ Z2 \
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topicStr = SysAllocString((WCHAR *) L"system");
# R+ u2 h7 F4 t/ N' Q VariantInit(&requestVariant[1]);
* ]( C# W4 \' e, G0 [ requestVariant[1].vt = VT_BSTR;
! `2 b' E% Z5 h, W requestVariant[1].bstrVal = topicStr;
# p% S; F' v/ W9 Q0 G0 B
! j( [( I( i5 E1 e// Set the DISPPARAMS structure that holds the variant.# C' l8 M' k; X6 ^, U7 L5 ^; E( Q
' l2 _$ U) Z, C8 Q5 o9 J& K dp2.rgvarg = requestVariant;
3 J# G1 }# w% J# s6 z4 V3 P dp2.cArgs = 2;) Z8 M8 o1 B* t9 g) N$ ?0 E& ^7 J
dp2.rgdispidNamedArgs = NULL; `0 \4 Y1 r/ X8 z
dp2.cNamedArgs = 0;5 n; n; s+ p4 H) o) f6 M
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var.vt = VT_EMPTY;/ h: S, d6 E5 n2 \( y/ y
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// Call IDispatch::Invoke()8 E% |- ~. b8 a' h
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hr = m_pDisp->Invoke(
* S, `5 u$ a4 e: { requestID,* j8 j) \8 R3 i& z' E5 L J6 l
IID_NULL,- M7 T; S6 v9 T
LOCALE_SYSTEM_DEFAULT,/ Z L& @9 w) X) ~
DISPATCH_METHOD,
, z5 S a( q5 D7 E) R# Z' y @ &dp2,
. _6 R% @# ^0 y' ^/ ^ [! } &var,
# F% L) a$ W3 Y, x/ v g6 Y3 L! h &ei,) c4 p/ j9 V% B6 Z
&uiErr);& Z2 G( R/ u( D) I% I0 x
}$ a: ^1 ?$ \" z
SysFreeString(topicStr);' M, M- U/ C+ u
SysFreeString(itemStr);
2 M0 Z0 M0 }5 U9 s7 ]请问该程序是获得extend里面的哪个值?
3 y6 T( |- r0 I+ z& y9 [% e; k9 }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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