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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:
' g( R9 O$ t4 p( N3 k8 |Name = (WCHAR *) L"Poke";
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' K& H% l' s- Q( b hr = m_pDisp->GetIDsOfNames (
& ?, A- ]2 _& ^+ f: B IID_NULL, // reserved
0 w% a' N3 H/ R2 s &Name, // Array of names to get IDs for
' ~4 F0 \; p5 M) p3 B 1, // # of names in the array
: P1 G* Q& E4 m8 f' m4 s LOCALE_SYSTEM_DEFAULT, // System locale6 E8 i, b+ W, z) _
&pokeID); // Array of IDs to fill on output. g0 J! y) u* V) ~
2 i: Y' P) q/ B) w2 Y1 ` if (hr)
7 R2 v3 L, o" E {
" i' D8 \! k- H1 j9 `2 |7 T, H! n MessageBox ("Get Poke Unsuccessful");
2 q3 b$ w8 n8 r) R- u, {5 N return;
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/**************************传递数据给extend**************************************/2 ~7 K! b4 V5 \1 r; K5 f; s
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");' ?& _- \! }, v- C( C+ N1 O; T. J
VariantInit(&pokeVariant[0]); $ x2 K3 ]4 W: D' q( w2 G
pokeVariant[0].vt = VT_BSTR;
0 |! c! o4 F# h& | pokeVariant[0].bstrVal = valueStr;
! [& w: ~6 n; d: E+ s
7 C( U# r6 j; _# `: T( O% H) ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 k7 p! `- E2 h V8 N VariantInit(&pokeVariant[1]); % R n* h/ g# T2 X/ `& a
pokeVariant[1].vt = VT_BSTR;6 h: k x6 D, ^, E
pokeVariant[1].bstrVal = itemStr;
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4 y. g0 o8 [* `8 p' _* r. S: m topicStr = SysAllocString((WCHAR *) L"system");
: d3 b. ^6 j# n6 J VariantInit(&pokeVariant[2]);
& U3 ?" J' j7 o+ L pokeVariant[2].vt = VT_BSTR;
5 v$ q- E' Q* y+ C& o8 R* ` pokeVariant[2].bstrVal = topicStr;
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( [! I$ e! w2 ]8 ~% W9 m( \// Set the DISPPARAMS structure that holds the variant.
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2 E* G) r4 e* @$ W) K" Y dp.rgvarg = pokeVariant;
- k, \, Z$ u% Z dp.cArgs = 3;% }$ D; I7 v' f8 ?
dp.rgdispidNamedArgs = NULL;% Y8 `! c6 `( c. S z5 Y
dp.cNamedArgs = 0;
( z3 S) v) n7 p6 p/ b
4 ^, L! {& ~1 s- c( Q- l- N( r3 x// Call IDispatch::Invoke()) t7 H4 H8 {6 j7 Q% D) r8 t* L
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hr = m_pDisp->Invoke(/ ^2 ]& Y0 e, b& j# F' c
pokeID,
9 b. u) Q4 m5 _; | IID_NULL,
8 i3 c1 n9 \1 j+ Q2 t LOCALE_SYSTEM_DEFAULT,
: B# E+ j6 U+ h) y0 A+ }6 ? DISPATCH_METHOD,
! ~2 f& K% i2 z) {1 l &dp,
5 R& w( l- A! \# L9 j NULL,
; o0 m- [% ~0 w* V% v5 s &ei,
$ |5 d0 m' W. X( h: ?& \3 ~ &uiErr);5 P/ C+ p; r- |' q6 g( e- u* Y
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SysFreeString(topicStr);" Y7 i/ d. p; B% C0 w6 I6 d% c
SysFreeString(itemStr);
3 t# A8 b b2 S( c {! i; H1 j SysFreeString(valueStr);2 @ s; {" h. U9 H: X$ C
/ \- `9 L& a1 K% I7 S
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???
. w# e& x1 H9 Y5 F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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2.这是request的程序
6 m( u: [. m5 V// Request a value from Extend
' A$ @. D$ z+ l( H" O//
: N$ k# N) r) f5 E' e0 C// Initialize the variant that will hold the BSTR. Set the variant's, e# {1 W: F# S) o- f- j5 W: J9 U
// type flag to indicate the fact that this variant holds a BSTR. Place the
# E9 O; M5 b7 P3 `// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! `0 P" u1 I1 z( ~( U; O! _) S
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 i- Y$ O1 k K/ S% f5 U( y0 |
VariantInit(&requestVariant[0]);
% J- C2 S. n* A5 g! Z. V; _& @ requestVariant[0].vt = VT_BSTR;! M3 G- n* z, I5 }" `7 }6 G
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");5 `8 y2 g& D; {; E/ a; i; e
VariantInit(&requestVariant[1]);
) d9 [0 V3 T0 @! {: Q requestVariant[1].vt = VT_BSTR;6 I# x0 L9 B7 _$ L1 w* ^
requestVariant[1].bstrVal = topicStr;5 D" L6 ], g6 h% D7 q
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// Set the DISPPARAMS structure that holds the variant.
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0 R! b5 E; q$ J3 h `9 z dp2.rgvarg = requestVariant;
) a( l0 @4 L9 r5 @ dp2.cArgs = 2;
! M8 v0 [' r x dp2.rgdispidNamedArgs = NULL;. y4 O) g3 |" I. U" P
dp2.cNamedArgs = 0;, ]$ ^' V* A$ c- y: h m2 {
% p6 T) Q6 e3 z+ [9 j9 p var.vt = VT_EMPTY;4 }3 ^- K( I: ^1 D, h. l7 o
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// Call IDispatch::Invoke()
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5 ~6 Q% H4 d0 ~ hr = m_pDisp->Invoke(0 Y+ }8 Q7 {5 Q" \% D5 b u5 j6 J2 j _, M
requestID,
$ V f/ N3 G$ G8 A, h3 d IID_NULL,
: B/ S- j6 W, L$ t/ q LOCALE_SYSTEM_DEFAULT,
9 b' @0 Y! _) ?" W% f- D; c DISPATCH_METHOD," |8 K: z! E+ c9 j3 f) M+ b
&dp2,
; O4 m9 \, y7 y/ f &var,' j& X! E$ f1 w/ ^
&ei,
8 g# `- o6 V3 A &uiErr);
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SysFreeString(topicStr);
' C# V5 h- A) s& u SysFreeString(itemStr);; ?9 x/ b: l( H# A/ \! c4 M* {- m
请问该程序是获得extend里面的哪个值?( B2 T. s+ E# J4 F0 \
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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