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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:
/ N/ m# u6 x' B0 GName = (WCHAR *) L"Poke"; E2 h! w! r& N( o: j; p
* H: j' W1 o4 ?; |1 {: t, n3 s& H hr = m_pDisp->GetIDsOfNames (
% h W2 {$ |" A) I( r. Y0 K2 { IID_NULL, // reserved
! n2 p6 y2 J6 D' E/ V &Name, // Array of names to get IDs for% z$ b* B: E5 A# A6 Q- J
1, // # of names in the array+ K8 B; W/ ~1 G( }6 h) W
LOCALE_SYSTEM_DEFAULT, // System locale
8 P+ `- n0 s# Q& } &pokeID); // Array of IDs to fill on output
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if (hr); I1 @, O9 N; k
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MessageBox ("Get Poke Unsuccessful");9 S0 g& s8 g, f9 Y4 v6 C3 x( Z
return;
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/**************************传递数据给extend**************************************/0 \4 |! H P8 Z& G" i; T, \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! g0 W6 \+ V! Z. a1 d; @: N/ J
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valueStr = SysAllocString((WCHAR *) L"1232");
. l( i9 n. h" s% k; Z& q VariantInit(&pokeVariant[0]);
) n; r; F$ D! t I3 r pokeVariant[0].vt = VT_BSTR;
$ \3 z2 x$ k: G% ]2 \9 ` pokeVariant[0].bstrVal = valueStr; f' H* A! c J8 a- P
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# d% Q/ o$ M, K
VariantInit(&pokeVariant[1]);
+ u" Y' I1 C8 B7 {: K pokeVariant[1].vt = VT_BSTR;
; Z9 a. n) F; r1 @' r3 \# Y pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
* a0 }( F6 |5 x VariantInit(&pokeVariant[2]); k' T1 h3 |+ ~
pokeVariant[2].vt = VT_BSTR;
, C2 {3 g- k- E( ~* Y pokeVariant[2].bstrVal = topicStr;
# I2 P5 N& M& v2 X- c V% u9 f7 S, w/ `; W6 C# M
// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
, `6 p- |! J5 r( [- g dp.cArgs = 3;
! v# Q) J6 k$ w+ M dp.rgdispidNamedArgs = NULL;% I0 m- S" q* `- l a
dp.cNamedArgs = 0;0 @% j2 w. r( N
/ _% h" M9 G' \& a' d$ D5 S0 e
// Call IDispatch::Invoke()) b6 S0 u' a- a( n: r( P0 z$ n
; v; B6 Y5 A, H; y hr = m_pDisp->Invoke(
3 ^. P# u0 v% A, `- n2 i1 c pokeID,5 h( e& q7 o5 Q8 h4 e8 ^4 b6 p5 E
IID_NULL,
$ q* y+ s/ h; H/ F( r. K( E. [- f LOCALE_SYSTEM_DEFAULT,
# T1 \; p+ M* o DISPATCH_METHOD,5 D4 S* v. [7 P$ F
&dp,- _ y `3 f7 @- c
NULL,
3 L I" e _0 q" K8 ` &ei,1 ~! r6 J, j7 J( U$ Z8 {) J! R
&uiErr);- @5 e4 j% U" \2 i" G2 i0 U' ^. _
; |7 h. ^! {6 J
SysFreeString(topicStr);$ G- O3 `' s0 B; A
SysFreeString(itemStr);" i! J% ?/ ?6 y# n' q) l* c) y) V8 F/ A
SysFreeString(valueStr);* A3 ]9 m% |, ^! K4 l% J
f( T4 Z( B: k: H* P! d3 q
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???5 p. {- M6 y% k4 O2 d
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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9 s# ?* c3 m7 D7 w+ w; Y) s) I2.这是request的程序* L$ |8 _! x2 L, W
// Request a value from Extend
# R' Y5 d" e! w9 p//
8 Z o# L' O7 v' Y// Initialize the variant that will hold the BSTR. Set the variant's
. A8 [" l$ G! w7 P// type flag to indicate the fact that this variant holds a BSTR. Place the2 D8 H8 Q4 M, P+ h+ p
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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0 M) a6 \4 Q4 f# f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, ]* o- L7 b g% j7 Z4 D* f
VariantInit(&requestVariant[0]);
' Y6 f, g ~0 M( X requestVariant[0].vt = VT_BSTR;
R% M* F2 r: T' A requestVariant[0].bstrVal = itemStr;; @2 V0 _% N: B
, r$ p# P& o) A' l topicStr = SysAllocString((WCHAR *) L"system");
/ @. \5 Z. u. ?& M) h5 G7 m- K VariantInit(&requestVariant[1]);
2 P* ?: Z$ F+ w( e" B0 O requestVariant[1].vt = VT_BSTR;
. Y" t6 J9 n6 @0 `, ~ requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
$ \* u% K. f8 i* V6 L# c- E. ]
" b) q+ O) b3 x# f, J dp2.rgvarg = requestVariant;# J7 `* o/ K4 ]
dp2.cArgs = 2;
5 L% w8 A& h" O dp2.rgdispidNamedArgs = NULL;
/ s5 o: g- l1 L9 e dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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7 s! ]- ]7 S4 X9 f, D hr = m_pDisp->Invoke(0 r3 B% B: e7 U
requestID,
! }+ z3 \: ?+ H R/ e# [* G! W IID_NULL,
. g8 ]5 ]% _ T. y& O( c# L LOCALE_SYSTEM_DEFAULT,& T/ J0 a1 O: c' U. e: y1 t
DISPATCH_METHOD,
- G9 J) T' [3 {, }! C7 A &dp2,
5 f* g0 z+ ?* [7 P5 s &var,
. T/ B0 X' @0 }# W9 i1 w &ei,* J& t/ [) q9 P8 {, H$ N" A
&uiErr);' t0 S# f' `3 W) V
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SysFreeString(topicStr);: f! y) `( N7 i
SysFreeString(itemStr);
/ C* c! ~4 P9 A, ~4 O+ L9 x5 N请问该程序是获得extend里面的哪个值?# ]+ R/ @: p# `# y! Z& }
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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