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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:
; l4 f5 z3 |' A- e# _* E2 V; iName = (WCHAR *) L"Poke";) X, E9 t2 }6 n# x/ ?( S
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hr = m_pDisp->GetIDsOfNames (
% q! [& O. ^4 G% o: X IID_NULL, // reserved s( R8 w% X% G/ o
&Name, // Array of names to get IDs for
5 D+ A2 ~6 D/ H. l3 e% a; V: Z" G 1, // # of names in the array
+ Z) O. ?$ v8 E: X0 h9 L LOCALE_SYSTEM_DEFAULT, // System locale+ t2 y! T* r9 Z1 Z( r4 Y
&pokeID); // Array of IDs to fill on output- D- n: a' N5 D; U* E) p- u
$ C2 {4 D/ `) y; J. r
if (hr)" w3 @0 k7 Y% n
{
% \9 c! @, H" a8 c MessageBox ("Get Poke Unsuccessful");4 D3 D/ k5 F+ X Z. w* l+ v% x
return;: ]3 P2 y$ b8 r8 n8 Q
}
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$ I1 p& h# a) R, k/**************************传递数据给extend**************************************/
( a( J7 S: b' M; Q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: b: ?4 S0 f7 }6 Z' i4 j! B6 {
2 s+ e, G$ [/ M* N. |5 m# P K5 c2 \ valueStr = SysAllocString((WCHAR *) L"1232");* X! H/ C/ R3 K# I x. E# x
VariantInit(&pokeVariant[0]); ) M! D# x& n, F2 f. O3 u" ?. r1 f
pokeVariant[0].vt = VT_BSTR;
% R: {8 O3 {+ `' ?& P4 a' M pokeVariant[0].bstrVal = valueStr;# u0 X+ t" L5 v0 |, L# g/ P
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& p+ K& L( p# y! ]. g VariantInit(&pokeVariant[1]);
6 `+ ?" p. [! ^* X pokeVariant[1].vt = VT_BSTR;
! F" K& C9 i. q2 A3 u7 z pokeVariant[1].bstrVal = itemStr;
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0 ]( r. u. F2 \ topicStr = SysAllocString((WCHAR *) L"system");
4 e& y. Q, h5 F" C3 V# s VariantInit(&pokeVariant[2]); " Q J1 f" q( o# l7 u
pokeVariant[2].vt = VT_BSTR;9 I$ Y0 o& V: q& G9 J9 @# C
pokeVariant[2].bstrVal = topicStr;; @$ S. _- O5 c1 \# T0 f3 z1 T0 w
* N% M1 b/ U4 b) Z( s5 t4 ?* {// Set the DISPPARAMS structure that holds the variant.
* q, C7 o3 `" x0 |$ W
5 t |4 z2 s/ ?2 {* c9 B1 g dp.rgvarg = pokeVariant;, w. W* C- H2 A5 V* X/ @5 r
dp.cArgs = 3;
. g# J @* I8 \5 P7 a) K dp.rgdispidNamedArgs = NULL;
% f6 q, k3 s* B* c! ]) q9 w dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(3 G4 K/ Z" N3 t- L
pokeID,
, X, Y! q4 z& K7 q' _) ~ IID_NULL,
. Y4 ^ ]! o) w6 L" t1 ~ LOCALE_SYSTEM_DEFAULT,6 g3 q4 ?% u4 ]: |" z* E3 q) ?
DISPATCH_METHOD,9 ]2 R* b, |- ?9 m8 e* G1 b
&dp,6 i4 x" h" v& e9 |
NULL,
1 {1 p; e8 f6 s2 s2 M0 B6 t &ei,5 s. m6 f2 H- G) D
&uiErr);
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SysFreeString(topicStr);
: j1 e8 ^+ [2 E5 X u1 @) n1 r7 L SysFreeString(itemStr);/ p2 P- \% e0 i5 g
SysFreeString(valueStr); T- ?8 n7 Y: c! v# P# z$ Z Y
5 s { D+ Z/ Q. x, P/ G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??? Q( f% ]- f2 t& M% m' |: a
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????( L0 X& v0 D7 T* m9 W9 p
+ |% O$ B0 V5 S* @* {; V, a+ E3 Q6 ~
( [' w( S- ]' N) [+ N) m2.这是request的程序
& E, m' E% G w) ^( z5 _// Request a value from Extend
5 v5 o' D& L8 V7 U8 L! n( F5 o4 U//
" V; ?; H- c- s0 d// Initialize the variant that will hold the BSTR. Set the variant's8 `4 G% b& G" \* s5 @) N* h- }6 t
// type flag to indicate the fact that this variant holds a BSTR. Place the
8 [4 H* w7 R5 e$ H: h% e// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
v. f- J" B, S/ D; w2 p 1 `4 H+ V( |0 \; H- F2 @
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 `- T1 z- z/ n: u$ o VariantInit(&requestVariant[0]); & g0 M% H; M3 {* Q8 W# m# t( O6 D4 r
requestVariant[0].vt = VT_BSTR;
9 v0 M2 [6 H0 {! Z2 h0 _; h S: f requestVariant[0].bstrVal = itemStr; U4 c& j" w1 g4 F" U5 S
' f a" O, [ h$ e q topicStr = SysAllocString((WCHAR *) L"system");6 Z/ t% i* I* z# q6 _6 L
VariantInit(&requestVariant[1]);
: @6 i" a' l3 f requestVariant[1].vt = VT_BSTR;
- R3 j' k$ O- a0 h6 S requestVariant[1].bstrVal = topicStr;
: L2 u1 P$ |' O" {0 B2 L& F2 `
: a5 e+ ]0 m1 H2 ?0 v// Set the DISPPARAMS structure that holds the variant.6 l4 {: x, x# x$ z4 a
. S6 n9 }# W( [3 L8 ` dp2.rgvarg = requestVariant;
5 C8 \9 ~. G3 H8 p; h* k+ d dp2.cArgs = 2;
& O# O3 \9 y0 u1 q% n& } dp2.rgdispidNamedArgs = NULL;3 W! Z) Y" z. X. K
dp2.cNamedArgs = 0;: w+ _- z; R, p4 e/ C/ x- \
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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( X( X/ g6 i; f; K+ J hr = m_pDisp->Invoke(, t" k7 \2 @6 e2 S! C
requestID,$ R* Y7 m( f: O
IID_NULL,+ j3 @8 q6 f8 C& e7 c; B* E9 Y- U
LOCALE_SYSTEM_DEFAULT,0 ] S' e8 G1 q M: ^ {& l1 S
DISPATCH_METHOD,: v8 @8 r6 ~+ r0 j$ y! _+ p
&dp2,. ^/ v4 b4 G7 ^
&var,
4 |5 |% Q! g- x" R$ |' N1 q3 r &ei,
& }( b$ V$ u1 \0 w( ? &uiErr);
! j: F/ K9 }7 L; O1 t9 A, e
1 d- Z3 S0 q) O* ^# e& Q: q SysFreeString(topicStr);
" w8 f. H0 \! m/ L7 B9 e SysFreeString(itemStr);
# \, d3 Z( F& [* N/ s6 O请问该程序是获得extend里面的哪个值?" k9 {# P1 H7 [+ I1 C! n& Q
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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