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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:
( Y+ q9 S6 d7 b2 `Name = (WCHAR *) L"Poke";
" G1 A1 D; s0 h# S# _ ' N3 }% N9 t# ~6 g9 d3 E7 ^
hr = m_pDisp->GetIDsOfNames (
! x+ _% v# r! N+ O( @ IID_NULL, // reserved
1 u! U8 a! V7 ~) N9 J: z &Name, // Array of names to get IDs for
- m2 D& p" q$ j0 |1 } _6 r 1, // # of names in the array
: Q$ d5 p3 U% L: i LOCALE_SYSTEM_DEFAULT, // System locale1 T3 J. {/ q5 h; X9 X% c K& f4 ]
&pokeID); // Array of IDs to fill on output
; d3 n2 t* r. f- \, H ' T5 i U! L+ u% ^
if (hr)
, I% e6 `+ k7 m/ k& e' b: Y {
0 Y0 R2 e' C8 u0 X' \ MessageBox ("Get Poke Unsuccessful");
1 I" J7 R+ ?; y5 p3 j. H/ ? return;
% c- C0 {/ t- s+ t- F6 t }4 Z( _1 E6 M- n" }
3 R/ K( r7 p- C. Q% B- |- w/**************************传递数据给extend**************************************/9 J, V- I! K5 T- b
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( ?& e: J7 y' S' C. m
! ]) m% e C0 m/ ~
valueStr = SysAllocString((WCHAR *) L"1232");
7 e) v2 T) P- P( r, r5 e/ c VariantInit(&pokeVariant[0]);
2 q1 z! I& e& R* j" x, K pokeVariant[0].vt = VT_BSTR;
6 S0 h' G+ d/ n+ d* x, d5 J t pokeVariant[0].bstrVal = valueStr;
0 }. ]' H8 n$ G: S0 x& z
9 P2 }9 S& S6 V' s, ]( `! T8 z9 u; a itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 }) R# Q& Z: ?* z$ l
VariantInit(&pokeVariant[1]);
0 i7 q' L) f7 V, R! _ pokeVariant[1].vt = VT_BSTR;
5 o+ ~/ a1 ?3 B4 [! z! O pokeVariant[1].bstrVal = itemStr;
. J s0 Z2 `' A& Y7 ~' B7 ? V( ~' O" v! y. s r7 E
topicStr = SysAllocString((WCHAR *) L"system");
& }2 U+ S2 K/ h' V" k VariantInit(&pokeVariant[2]);
6 H; S ?5 s: R6 h J4 W pokeVariant[2].vt = VT_BSTR;& b, z& A4 h' b
pokeVariant[2].bstrVal = topicStr;6 n. _( ]7 D- a
3 l2 ^8 E, L+ N0 v2 u& c
// Set the DISPPARAMS structure that holds the variant.# [- W5 i* Z$ M0 }% ^
+ @$ Z7 {; c4 j8 [5 {+ x) F- b' i dp.rgvarg = pokeVariant;0 `& n6 w9 F6 S7 f" B! G
dp.cArgs = 3;7 g) ~. l' A+ v: D. x
dp.rgdispidNamedArgs = NULL;
1 ]* y1 o6 v2 D& ]+ e9 q8 X* C dp.cNamedArgs = 0;) Q9 E" l) r9 N9 @7 x% u) n) O
+ q; Z1 ~; T1 @" N1 }
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(+ E' m5 S3 a, [0 H* e! |; M* [3 N( k
pokeID,& D4 v; [- V) i- t
IID_NULL,
' r$ y2 s. [% d LOCALE_SYSTEM_DEFAULT,
- w, c T1 ~: Z& P DISPATCH_METHOD,. X& k6 ]' h6 P* C U2 u T- J1 p
&dp,
?/ G1 w& b" j NULL,3 f1 i4 O8 f: K Q
&ei,
+ ?8 @9 B7 s: U &uiErr);
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SysFreeString(topicStr);$ H' V$ w4 p2 s! Y1 f, A/ b
SysFreeString(itemStr);
( I9 ]2 [; s" R" \2 `% w/ j' i& e SysFreeString(valueStr);& {" r( A% N- I- s3 ~7 M
- e, Q8 P9 {6 ^7 h$ I- }2 L( }
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???
! V- Q# ?) a- Y; r( @+ ]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????
. K: ^8 t5 y3 K3 Q6 G3 ~( E' J* x$ \3 u9 D7 b) Y
3 O+ V; }1 U: `2 {/ {4 j( P
2.这是request的程序
1 C& F1 `% ^7 q1 |% R- D// Request a value from Extend
& A- I, A- t2 }//
; o8 s3 G G" i// Initialize the variant that will hold the BSTR. Set the variant's+ M% V. y X: i" E' s
// type flag to indicate the fact that this variant holds a BSTR. Place the5 ?( C R9 h8 O2 x, Y
// BSTR into the variant structure.) t8 j. c: V1 n( E9 ^/ |
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
) d7 m7 E$ i% V- w; U5 W/ i
) \' n' T4 f. c) q& ^( N2 x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) i; s, c( N0 T: R0 L/ d C, ]+ ?4 @ VariantInit(&requestVariant[0]);
) U" m0 s% [% b* M- v5 R requestVariant[0].vt = VT_BSTR;
0 ~+ {& j% s* ^ requestVariant[0].bstrVal = itemStr;" A* o0 _& s+ M2 T& B$ X
' B; D" P5 ~2 q
topicStr = SysAllocString((WCHAR *) L"system");
% @; q" g1 a0 T+ h VariantInit(&requestVariant[1]);
2 h, {7 j/ R& J requestVariant[1].vt = VT_BSTR; v6 A3 O6 ^$ g. r3 I' g) n L
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
' E2 H: U0 J$ Z( K) d dp2.cArgs = 2;
+ q [" X) A9 C) t9 q0 Q4 m' t dp2.rgdispidNamedArgs = NULL;" X( P4 t L/ ]5 g7 w8 J0 ]
dp2.cNamedArgs = 0;
4 \, }; m' N1 B( g
$ {2 ?1 I/ b9 G4 c5 } var.vt = VT_EMPTY;
+ Y/ `- B& _2 l1 |& F6 ], H: |& b
. H9 X6 D# U/ L. |9 x// Call IDispatch::Invoke()
: \, G t j9 |8 M! M$ U5 ?, Y# q5 D: P# i2 A$ |
hr = m_pDisp->Invoke(
5 u" q" I- K3 l requestID,
F/ G# G j. G) H IID_NULL,
* [2 f. ~( t# v$ R LOCALE_SYSTEM_DEFAULT,% I4 b" V J1 y3 g' [6 Q
DISPATCH_METHOD," p8 o, H; l% Q3 ?
&dp2,
) |$ J j3 e( d &var,3 t6 R ~2 O9 B# M2 Q4 |2 ?9 r
&ei,
/ w' l: W" J6 ~/ a &uiErr);
* O( m- L2 x X: N$ Z3 ]! N+ T; X5 w, N$ g! Z g$ G8 T
SysFreeString(topicStr);& m0 L! W" Y4 p5 @( Z/ F
SysFreeString(itemStr);
- y0 @, P$ }" p& h, W请问该程序是获得extend里面的哪个值?
# L8 E6 R% F( a& w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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