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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:( ]% z- R" y8 z4 g3 q2 U
Name = (WCHAR *) L"Poke";" C# z J6 Q8 { j0 F' O; p% k
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hr = m_pDisp->GetIDsOfNames (8 M5 C& m* V' Y
IID_NULL, // reserved
7 `4 ~" C0 `/ a) e &Name, // Array of names to get IDs for
7 ^5 ?7 V; M1 u% U3 f3 K 1, // # of names in the array
9 `3 ?0 h. B% @ LOCALE_SYSTEM_DEFAULT, // System locale4 y5 x$ k: o* x- h. @2 @
&pokeID); // Array of IDs to fill on output
% E* R% Q# o- {$ y* q) G$ o
; k9 |3 V$ G8 W3 {* _0 |) H if (hr)
$ u) K9 b R* f) o4 \+ W: w {3 y) M5 A# D' g3 `
MessageBox ("Get Poke Unsuccessful");
6 K9 t/ _( |& @9 r H return;
* ^4 E' ^4 a# I! o% I/ B }
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/**************************传递数据给extend**************************************/
% i M# J/ e/ p pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
) Q. R% o d' W6 Y' Z) }
4 p# }9 |6 J9 b F/ o0 @6 t valueStr = SysAllocString((WCHAR *) L"1232");: ~: b' D1 ~5 {2 B) |$ u
VariantInit(&pokeVariant[0]); ( j1 D4 C" A5 f6 c! f
pokeVariant[0].vt = VT_BSTR;
/ E- _8 C5 v6 ~ pokeVariant[0].bstrVal = valueStr;/ Y% \; B( T" Y1 p
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ \) X8 h# Z: A& ~$ Q! m) `3 [ VariantInit(&pokeVariant[1]); 4 |) c; o; z- g, N
pokeVariant[1].vt = VT_BSTR;
/ g0 B6 x* h# a' X pokeVariant[1].bstrVal = itemStr;1 ], w% V9 @- I, e" n
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topicStr = SysAllocString((WCHAR *) L"system");
5 u: ]7 M' N5 _2 c- ~ VariantInit(&pokeVariant[2]);
R3 J9 S, \; e- G: l5 s pokeVariant[2].vt = VT_BSTR;
% A9 d0 F3 n* v m V; y! c6 @ pokeVariant[2].bstrVal = topicStr;% y( y( E" [, g& t0 A
' V" S; E0 D( U: m0 T6 W// Set the DISPPARAMS structure that holds the variant.
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9 d; X8 ~. x/ s+ G+ { dp.rgvarg = pokeVariant;
' k$ N S6 v9 C7 r5 X; W dp.cArgs = 3;
* U; @3 V w% @" c2 T( ^7 v" n dp.rgdispidNamedArgs = NULL;9 \' P8 m8 |9 v; }5 a8 u
dp.cNamedArgs = 0;9 E* s1 u' w. J
& F' a: t, ], ^+ u. \) e/ F) e// Call IDispatch::Invoke()
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& @, g% B" k. ~( o/ ` hr = m_pDisp->Invoke(
+ j, M1 _2 h0 {7 i pokeID,) _) Q0 Y5 P/ \) P4 ~4 F9 k
IID_NULL,# @. F/ }2 K( [* `" e/ n0 H& n
LOCALE_SYSTEM_DEFAULT,+ H: F' Y. d2 {7 D6 D( w
DISPATCH_METHOD,
" ]/ x5 t% S `& r* r& ^6 r. | &dp,
% F( f, o7 r5 m6 y# K" F; n NULL,
# V0 f3 d; D6 S6 Z O4 X w8 Y5 i &ei,, G% _ C0 w/ n; k
&uiErr);- I7 A2 u. f+ P; Z) S
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SysFreeString(topicStr);% k, @% Z" d, d* G
SysFreeString(itemStr);' [3 Q5 I# T8 ]8 q9 v
SysFreeString(valueStr);
. @$ S! m9 A0 |- }
! ?# K, C- n f1 s- W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???2 J4 X' c0 f: ~) [8 o6 f- J9 {% `
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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" T( J- f& {) Q2.这是request的程序
) L7 ]8 [4 L! X! t! {: z// Request a value from Extend+ G" J7 r+ x$ B4 A( K9 N0 ~
// F% T( [+ d; `- u
// Initialize the variant that will hold the BSTR. Set the variant's8 x, @2 z8 X% Q( A9 Z/ O6 K
// type flag to indicate the fact that this variant holds a BSTR. Place the
2 w3 i0 ~' X% P0 K// BSTR into the variant structure.3 |6 [7 B" [/ e
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 S' g. b! h+ m |) e% X+ @6 R$ S VariantInit(&requestVariant[0]);
. J6 @0 m+ G1 q X% p requestVariant[0].vt = VT_BSTR;1 c) W0 |% I- A4 q, R
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");; A" b( Q z" U/ B0 J" `( Q4 O% x
VariantInit(&requestVariant[1]);
$ b0 W/ Q6 K# {, w requestVariant[1].vt = VT_BSTR;
) N! E. C) c* t2 N7 j! O# {9 R+ L, n requestVariant[1].bstrVal = topicStr;7 r5 n3 i' k5 C
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
: z J) v! U% K% {3 N) b% | dp2.cArgs = 2;# P6 t' k$ B' D; Y* n, c
dp2.rgdispidNamedArgs = NULL;
/ w6 K7 w$ M; U; n dp2.cNamedArgs = 0;
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- n8 B4 K% g9 {: H' D4 l9 G var.vt = VT_EMPTY;8 }" |8 c1 l# G0 }: l
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(' o R1 O7 b+ Q: T, h) _* c
requestID,
7 t5 k9 m; S7 p: b% w6 b% M IID_NULL,
% z( K: Y+ s) t. \ LOCALE_SYSTEM_DEFAULT,5 q0 e6 o# e o. A' F8 u4 P4 D7 j
DISPATCH_METHOD,8 i* M% G3 a! y# s y* M
&dp2,
: d/ w2 V f. \- y; r3 y5 ` w: k &var,' ?- q) q' I" z
&ei,
, J- A% I/ n9 [) v! I3 Q &uiErr);
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SysFreeString(topicStr);
* \4 e |7 D' }' \ SysFreeString(itemStr);
T5 L2 |% j. r5 O9 E( f请问该程序是获得extend里面的哪个值?
9 m7 c* Z9 x) E) 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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