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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:1 Q2 |& S$ U( b
Name = (WCHAR *) L"Poke";! P& Q+ ~# ~- O+ V* K
+ T0 d/ M% ~* Q; Y' u hr = m_pDisp->GetIDsOfNames (" a7 t+ p) k0 W- N
IID_NULL, // reserved
: V2 Z1 @$ D7 O7 x6 I6 d' e &Name, // Array of names to get IDs for8 H# P5 g( s3 x' K9 G" F3 o) S
1, // # of names in the array
# D# c* Z5 ~8 X9 D* M# `+ ? F LOCALE_SYSTEM_DEFAULT, // System locale" \) _% x$ }( @+ G2 V2 o
&pokeID); // Array of IDs to fill on output
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5 O5 g5 L' o4 A6 E/ e5 V m, I' c if (hr)
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MessageBox ("Get Poke Unsuccessful");
2 Q& q. X1 }. M6 v" q return;) _# I- R' U, n0 E6 P4 |* N. r3 P# n
}
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/**************************传递数据给extend**************************************/6 j; F& @( Y7 y) @, v* _/ c
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( y$ F+ c# z; s valueStr = SysAllocString((WCHAR *) L"1232");6 }( o" O: c4 K
VariantInit(&pokeVariant[0]); : R# k$ E" N( x5 P0 Y2 N' F
pokeVariant[0].vt = VT_BSTR;0 I/ K/ m$ L1 G0 E" E- d
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( z4 p5 M+ b; y
VariantInit(&pokeVariant[1]); ) ~; X0 _! Z( e3 G
pokeVariant[1].vt = VT_BSTR;- b [6 h& ?3 K7 [* T
pokeVariant[1].bstrVal = itemStr;
% Y% ~8 r8 ]# x
& q4 T' Y5 p X* I topicStr = SysAllocString((WCHAR *) L"system");
( M3 N' F9 u& S9 `) Z( z VariantInit(&pokeVariant[2]);
3 ?. M+ d+ G o4 d$ t pokeVariant[2].vt = VT_BSTR;2 q4 k) \8 Y; G+ s
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
2 a2 p: N, V" @6 V4 U; z dp.cArgs = 3;
/ G3 u) {* `4 t/ @9 m# o dp.rgdispidNamedArgs = NULL;( O; b2 z w2 X" P
dp.cNamedArgs = 0;% E. q+ c6 \9 n# G# _5 _& Z9 ~- r
9 ^1 Q4 c" [( g8 S// Call IDispatch::Invoke()- W9 [/ @2 R1 W$ [2 v
% J! I% `: c2 S' C% `
hr = m_pDisp->Invoke(
: v% K1 t1 V) a. Z7 S pokeID,
/ @2 q( s5 Z9 N9 Q/ K/ B' f3 q( k IID_NULL,5 [2 Z/ I2 R3 G! z* J: a
LOCALE_SYSTEM_DEFAULT,3 b* X% N2 q% I* @
DISPATCH_METHOD,
7 {8 h+ H* C% V3 Y# X! `& X &dp,6 f$ R0 C; j9 \; K! Y
NULL,
$ i) c/ e' [6 t# \+ @4 ~& y &ei,
. y" }8 K9 @: N8 D7 g6 v &uiErr);
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SysFreeString(topicStr);
0 n1 T4 L, Z6 p4 {5 [1 H SysFreeString(itemStr);
; J |6 p5 I4 H% v2 @) q SysFreeString(valueStr);/ {/ K+ Q% _2 |* P# q/ b8 Q
& w2 W6 _3 v9 R( ^ L+ u) ^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???4 a/ f4 B5 T9 P, l4 j- X' B2 H& 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????/ c4 c- W5 W% l4 G- s" Z
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$ u) a1 L5 E$ [) E2.这是request的程序( l% g$ \+ k" Q+ ~
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's) _7 i& Q) Z. V3 f& {1 Z
// type flag to indicate the fact that this variant holds a BSTR. Place the/ @ ^3 c& i) i" ~7 y9 e
// BSTR into the variant structure.
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$ K. f7 `' n7 n/ L/ |5 [' I/ z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 }, U" ?& A; n& ^ T0 v( ^3 n
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. g( F# u* W/ Y: M3 c VariantInit(&requestVariant[0]);
5 c8 |+ g) A" l5 y requestVariant[0].vt = VT_BSTR;. O! x- |$ U. Z# I8 |, ^
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
2 Z1 j8 V& r) s VariantInit(&requestVariant[1]); % T8 x$ K$ J7 s/ T$ H9 g4 |
requestVariant[1].vt = VT_BSTR;4 D' u0 E) G+ S: W1 S1 L% A# {
requestVariant[1].bstrVal = topicStr;
2 v% F& @% M' o
( o. s+ I' Q+ \- E// Set the DISPPARAMS structure that holds the variant.
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9 g- ~3 g# ]' L* Z7 S1 E# W. ^ dp2.rgvarg = requestVariant;
' |5 h% J0 X) B# Z7 t dp2.cArgs = 2;: T% q% ]$ C6 ^; G5 n k
dp2.rgdispidNamedArgs = NULL;5 u$ z# n4 e1 [2 n+ |+ N0 e
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;0 \, B0 L1 S8 S% @* o
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// Call IDispatch::Invoke()0 w4 J, R5 @7 [" I. u/ `
9 |/ G7 A9 q2 L) L1 m8 t y- @ hr = m_pDisp->Invoke(
( t: l' d, {& A! ^ requestID,! j+ X& X: o3 g9 N% f
IID_NULL,) o7 |8 j$ G+ i3 x, v3 f ]
LOCALE_SYSTEM_DEFAULT,; z+ ~% k) x! @; z: g
DISPATCH_METHOD,
7 q% z# C% l: m# w* l0 T &dp2,% q% d: x Q9 _; K' i2 s! j
&var,
+ j1 |& R0 U" m1 n8 e2 L3 Y &ei,
1 Y8 I; d) E8 } &uiErr);2 `1 {% R/ E& |0 w2 C- A7 l
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SysFreeString(topicStr);# h; [2 ?1 j6 b2 U+ Z" y3 n3 @
SysFreeString(itemStr); Q% P9 ?# L- P/ f
请问该程序是获得extend里面的哪个值?
0 \) O9 I/ a& X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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