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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:
' i9 @1 `$ V" \' _Name = (WCHAR *) L"Poke";& M, d6 }5 V% U1 n# {# B) E
' A! x+ `* z: v! O hr = m_pDisp->GetIDsOfNames (6 F! U# Q7 A6 T. g' d
IID_NULL, // reserved
1 `+ j- ?3 M& S$ q &Name, // Array of names to get IDs for% X8 n7 W/ _0 g7 C; ?2 ?: T3 \/ K
1, // # of names in the array. U) f: {" ?! I1 X9 Z. r A1 O
LOCALE_SYSTEM_DEFAULT, // System locale$ r2 e0 T$ H5 N
&pokeID); // Array of IDs to fill on output: u( t: R7 r( E* n: } M
, s; N1 R: o! ^7 U+ v j( M, y# ^
if (hr)% y+ h8 f% c$ B& X) w, P% y' |& I9 _
{5 U, T* |5 a1 U, J
MessageBox ("Get Poke Unsuccessful");
% p0 e9 L9 C& g) ^ return;# ^, s5 o9 z5 t, d, }$ l& U
}
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/**************************传递数据给extend**************************************/
# ~, y( h% T o9 \5 V2 m pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ e0 i3 }1 M! F- V. X0 T
3 B" ~3 Y! R) E6 G% E6 y( t valueStr = SysAllocString((WCHAR *) L"1232");( S' g4 o4 {3 X/ s* Q
VariantInit(&pokeVariant[0]); ( S( A8 V& ]' F o8 c- L1 q* I; I$ [
pokeVariant[0].vt = VT_BSTR;* y0 K% ~1 q- |5 [. ?
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: w, x+ C' ?2 z VariantInit(&pokeVariant[1]);
& }, F3 S& k) s* m pokeVariant[1].vt = VT_BSTR;
) o7 ]* ]* r3 r1 { pokeVariant[1].bstrVal = itemStr;
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; }5 {% b+ p& U: x8 n$ Y$ \ topicStr = SysAllocString((WCHAR *) L"system");6 b! e [1 B3 G0 n% |
VariantInit(&pokeVariant[2]);
6 d: \' d; P0 v% V! Q/ H pokeVariant[2].vt = VT_BSTR;
, \4 a I" o1 Z- L$ l- l, b pokeVariant[2].bstrVal = topicStr;6 o& r5 G; ]* }* t
7 w+ [& _7 Y) T! g) j# O; r// Set the DISPPARAMS structure that holds the variant.
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) H! Q: e! e* g dp.rgvarg = pokeVariant;
. j9 I! H; [4 m2 h$ a dp.cArgs = 3;
# u/ g, V' r. x: t" r6 C+ ] dp.rgdispidNamedArgs = NULL;
, S; U" W* c5 o9 n0 a1 Z/ I dp.cNamedArgs = 0;; m9 q$ K+ C7 t, G1 O8 S; v' f
/ L) H( ?& E" R
// Call IDispatch::Invoke()- z% x+ A5 F* k0 C& j7 I" M) n
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hr = m_pDisp->Invoke(2 X( J" m) K: g: q, @+ z- V$ g7 t
pokeID,
; z# b [- x. l5 r/ u IID_NULL,
7 G6 S/ u$ r) s6 @ LOCALE_SYSTEM_DEFAULT,
5 E, p5 P" o5 h8 G DISPATCH_METHOD,6 ^ }9 X8 V' G+ x5 ~! X$ T: @
&dp,
7 J" S! }3 U2 r) }, g$ W3 G NULL,
. Q: C' s2 b- `& ] &ei,
3 ?- x! ~$ J( L9 L2 ? &uiErr);7 F- H8 {- Y6 v* C
3 C& |# r/ U+ `/ ]$ u8 }9 |& m SysFreeString(topicStr);
8 `# o% S! r, k3 P2 o SysFreeString(itemStr);1 h4 Q3 y4 }2 `- z, ]
SysFreeString(valueStr);
( i$ J5 U( J' h( G" \, ^/ r$ H2 G( s2 V P& e* M9 T3 A- T
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???) i& y7 }% T, \& L( ^9 _$ S
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
% |! G, q. o: F8 {1 I; b// Request a value from Extend
$ [8 }# ]1 v9 g# h# R3 S9 A7 M" w//
: G7 T$ y) c" U1 _' q# U' k' B// Initialize the variant that will hold the BSTR. Set the variant's
; r3 S: O2 u+ h// type flag to indicate the fact that this variant holds a BSTR. Place the
* |6 ^! h, {; [( Y" T5 o// BSTR into the variant structure." ?2 ^1 \) ^9 k9 t% J4 H, a
% ] C8 Z' \) ~
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( k4 F7 p. N! I3 V! H4 V+ X
9 g3 M" g! B/ N& i2 F/ Z' D2 J0 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 ]/ t+ Z2 G6 j) P9 g: R8 v VariantInit(&requestVariant[0]);
- ]# o; J7 |. ?; D requestVariant[0].vt = VT_BSTR;, V6 a" U' y" X
requestVariant[0].bstrVal = itemStr;( G" K/ ~0 Q) ?9 @4 f9 a
- Q. p$ w! A r topicStr = SysAllocString((WCHAR *) L"system");
9 P( i! X, b+ T2 f [7 k) ^ VariantInit(&requestVariant[1]);
9 l0 I; U! d4 N. Y requestVariant[1].vt = VT_BSTR;7 B4 T0 Z: a3 p4 T; V! w
requestVariant[1].bstrVal = topicStr;' t* R2 E5 T( K
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// Set the DISPPARAMS structure that holds the variant.
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" d7 t$ G) U; }' } dp2.rgvarg = requestVariant;+ `1 ~/ R; ^- g) d& R4 c' O
dp2.cArgs = 2;! X) ]2 t, _! e9 M* C3 S
dp2.rgdispidNamedArgs = NULL;1 v4 g- p) j' \" t3 R# T, O
dp2.cNamedArgs = 0;# T, q7 h* p! k) z) _: G& `5 o
. K0 Q5 y: t3 S' R: D* r+ _ var.vt = VT_EMPTY;% L7 H/ }8 j/ V' u
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// Call IDispatch::Invoke()) `$ b7 R4 M; Z& h# z2 N
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hr = m_pDisp->Invoke(
. L' x/ _# k! e8 ?, j+ E requestID,5 X9 Y T+ p p( ~7 P( J$ H" Y
IID_NULL,
" I4 ~0 C% \% m; V3 w. |, T LOCALE_SYSTEM_DEFAULT,
, g0 ^ B/ ]4 ]: @1 y$ ~$ Q% I7 U DISPATCH_METHOD,
9 i' G( R. w; r3 z1 C7 j% i &dp2, P. U% ^. y e' O' h |) N
&var,. n9 A% `% A4 L: e, A2 ^
&ei,' Q* f, K; w( q$ d, K/ X
&uiErr);
: D/ n) A6 s7 C( m3 i8 {. z) Z. [7 D! P2 s( d% }" L$ t& F- T8 x
SysFreeString(topicStr);8 I6 R) c3 M. b( s& y p
SysFreeString(itemStr);
; a* [) l; X e/ `请问该程序是获得extend里面的哪个值?
4 U: P- J8 F' i8 F2 ^' q5 X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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