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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" v" E8 z; V, p( z
Name = (WCHAR *) L"Poke";
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/ z @& r1 ~7 s% R# b4 j hr = m_pDisp->GetIDsOfNames (
# h* a7 \: U3 N. V+ \ IID_NULL, // reserved- W/ e4 l1 `6 v- b" O: W8 E
&Name, // Array of names to get IDs for, o0 I' b. \4 Z# Q2 b/ D
1, // # of names in the array9 Z, a2 N3 [2 i% m
LOCALE_SYSTEM_DEFAULT, // System locale% E- @+ I6 M: U0 a8 {% S7 a) V
&pokeID); // Array of IDs to fill on output' g2 u3 {2 l$ R e
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
+ `1 d' D R% { return;: V g& C5 T& s' d/ p
}
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/**************************传递数据给extend**************************************/
?5 j; S& j2 c- d pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");9 V/ L* l/ @, ~
VariantInit(&pokeVariant[0]);
/ c2 w( H# P! g! F; L pokeVariant[0].vt = VT_BSTR;, \8 a( i4 }" v! K
pokeVariant[0].bstrVal = valueStr;7 {$ k4 s. W# S& M5 S: L6 U" l/ L
. a0 l2 H% |7 A2 m, K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 q1 [/ q& V- J! i9 g# } VariantInit(&pokeVariant[1]);
4 a9 B$ C; ~4 ^. N( M pokeVariant[1].vt = VT_BSTR;
, F% u7 u. V6 W: n8 p9 b6 Y pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
+ }3 [4 a7 {7 e6 }/ X VariantInit(&pokeVariant[2]);
/ ]1 J3 p7 @3 I/ n: y pokeVariant[2].vt = VT_BSTR;: J8 U" a7 C5 Y
pokeVariant[2].bstrVal = topicStr;7 u1 Y& T- i9 \% n
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// Set the DISPPARAMS structure that holds the variant.& Q& E. B G! E7 d+ H% a3 U
4 V* q6 E* b5 |& H+ } dp.rgvarg = pokeVariant; n: o, n4 W) G; f# W
dp.cArgs = 3;
1 k5 P: ?9 v8 p dp.rgdispidNamedArgs = NULL;
+ G$ n2 W0 B2 B) c2 q8 A, H" S# K dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()3 L3 f; X/ o" @8 n# X6 F3 N0 F
r: N. B( b' @0 b* n hr = m_pDisp->Invoke(
- h+ H) H5 l. O6 s) K0 | t( o6 H8 ]) y pokeID,$ U7 f$ r) d( @6 z
IID_NULL,
3 p5 Z5 O0 D( a; O# W2 P LOCALE_SYSTEM_DEFAULT,! Q4 k% p/ d: r& W
DISPATCH_METHOD,+ f5 _! h3 |. w( r, p1 t# H
&dp,
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&ei,9 M& p) I0 e. w1 K4 a5 y" d- k
&uiErr);2 i& K, _) o; E8 y% {
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SysFreeString(topicStr);( R- ]2 v5 y" h2 m' ]
SysFreeString(itemStr);! L' P2 b$ b) s
SysFreeString(valueStr);
# S+ j4 C( X4 C& w! X, j$ D" k% Q. A5 s8 h
# |/ v- S& ^7 D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- n/ |: g/ e$ F, E7 ?; P" t4 h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????- a1 K; b1 Y/ z# C
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2.这是request的程序- I* {# L; q# q( r) Z' m1 l: D
// Request a value from Extend1 d4 ~/ k- o% w# ~! M l! H
//4 P& X9 Y$ E# z4 m
// Initialize the variant that will hold the BSTR. Set the variant's9 G* U7 b. b/ m$ i0 n
// type flag to indicate the fact that this variant holds a BSTR. Place the9 m% l3 f- [; ^9 F+ F% n
// BSTR into the variant structure.$ W) W7 c. F: S
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. A+ |) G4 {+ e! y2 ^
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( S3 I( ?/ W8 @: c# I6 I: K VariantInit(&requestVariant[0]);
- b9 ?/ n o S7 Q requestVariant[0].vt = VT_BSTR;
% K* i% B& U4 }0 s6 o requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");) h+ ]8 o5 E7 y8 C6 ?( ~. V% u
VariantInit(&requestVariant[1]);
# \8 C( q; o4 G1 E6 |4 F8 Y- V; R& m, c requestVariant[1].vt = VT_BSTR;: A8 m! l) Z; d
requestVariant[1].bstrVal = topicStr;
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2 w/ O. J& |3 l/ {8 u' G3 p% i// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;. q' n3 @* o$ ?- T6 O0 c4 A
dp2.cArgs = 2;' e, T& [& Z& M& r( Q
dp2.rgdispidNamedArgs = NULL;
F2 o, K/ V& B. M( m0 X dp2.cNamedArgs = 0;
/ u3 x( E1 a8 V. P+ U& I4 `- Z4 [6 @( _0 H0 C' t
var.vt = VT_EMPTY;
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: S" `6 h8 N# M& X, E- y; x// Call IDispatch::Invoke()
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4 a: Z% I8 C1 {# ^- d hr = m_pDisp->Invoke(5 J# d" G3 p4 l1 w: P8 M
requestID,- Y* Q3 U! A7 [# z
IID_NULL,
, N2 O# A$ n4 Z( c( W+ P LOCALE_SYSTEM_DEFAULT,
) h) G u' j. I- L/ i DISPATCH_METHOD,5 S1 C7 ]7 V# W5 r ~2 ^
&dp2,
( [6 M4 r U7 f8 c) ~4 Z$ c+ H &var,
* T5 ]- e# B! R* s: J &ei,; O+ a" A$ O' B$ W: {6 E' q
&uiErr);
0 [1 T5 W2 q' O% T) k! E
, w: q" u( M$ _' f SysFreeString(topicStr);
" v; B; [ }; G- n) S8 A2 b: @) S SysFreeString(itemStr);* F. J" q0 l5 Q7 [7 m
请问该程序是获得extend里面的哪个值?
% ] r/ d: e* `6 M9 h: e# k8 M) }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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