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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:
$ K [. N6 |5 B7 \( Y% gName = (WCHAR *) L"Poke";6 R" _& f ?8 X" R L* \
5 Y0 \* s# ^0 P% A0 R n' R' C hr = m_pDisp->GetIDsOfNames (
5 _8 D1 O. F" e0 k$ a3 a IID_NULL, // reserved
9 X4 n. `4 `2 Y# }/ Z" f &Name, // Array of names to get IDs for
7 e. v6 g8 _% ]( E 1, // # of names in the array. z2 x( e6 q2 v3 S: @; x! S
LOCALE_SYSTEM_DEFAULT, // System locale
+ h z% p( l; p% ?) h- d8 | &pokeID); // Array of IDs to fill on output. \- l4 F x9 c: k; R6 p
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if (hr)
0 s; k% q5 U8 Z- N4 K( c7 h {
: {: @( n$ x$ I$ y, j& }, f+ _5 R MessageBox ("Get Poke Unsuccessful");6 d( `" m0 t- F% N8 s: u8 @
return;( d3 X8 c- c1 ?4 }) j
}
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/**************************传递数据给extend**************************************/
7 x1 _& p2 y' P+ b7 q7 V* @- p pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# h# \% }3 Y2 v/ N- g6 A" |
% ]$ R+ L' n4 H$ E" p5 v) w; F- N valueStr = SysAllocString((WCHAR *) L"1232");
8 F. Q$ x+ ?$ ~ D3 `* u M# r VariantInit(&pokeVariant[0]); # D# d0 N$ C( L( `
pokeVariant[0].vt = VT_BSTR;+ p. B7 ]; S; [0 J, \2 p' e- F
pokeVariant[0].bstrVal = valueStr;: D( A% Q' l9 m$ b
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); l( [; E2 P9 `3 O n; W1 {) U- v
VariantInit(&pokeVariant[1]);
- a6 ]" K1 l! V% W pokeVariant[1].vt = VT_BSTR;
6 u# F. g3 l, H j+ v pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");( _% P1 n6 s3 x8 G- I
VariantInit(&pokeVariant[2]); & f# p% ]! d# w9 D
pokeVariant[2].vt = VT_BSTR;
$ a9 l4 h! x/ n& u! O pokeVariant[2].bstrVal = topicStr;+ |7 S# c6 o6 U% d' H
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// Set the DISPPARAMS structure that holds the variant.2 y) Q6 v# Q6 O) e' ~9 p% Y f5 q
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dp.rgvarg = pokeVariant;. Y/ {# I. z+ g2 r% ~
dp.cArgs = 3;8 N2 L! b8 K7 ~+ r& X s
dp.rgdispidNamedArgs = NULL;0 F+ Z+ p0 Q. A- @8 S
dp.cNamedArgs = 0;
$ x2 o: S' U I; u0 r" k
, W; N1 F2 `: p5 }* D// Call IDispatch::Invoke()2 k8 b* b3 q$ M
# n1 r- D, \; U/ D' u9 R: h! z% z hr = m_pDisp->Invoke(6 x- u9 |' r( X2 v2 z( T, l5 u
pokeID,
5 B. {/ J- P5 \$ m5 n IID_NULL,& D! R: s. [4 {# k
LOCALE_SYSTEM_DEFAULT,
: }4 t% o2 J* h& M6 @ DISPATCH_METHOD,# o6 K$ V3 K% j. K0 h8 o, \ p9 y! j
&dp,* x, v9 Y# [- x* U
NULL,6 x/ P5 p ?( T( @
&ei,) n, G! h2 w2 u8 d o
&uiErr);3 t `' P( Z5 V( v% b
' x. l8 a+ n, V- V6 I SysFreeString(topicStr);
' K, n4 D! p: x% i S SysFreeString(itemStr);
6 C( |# X# J* f SysFreeString(valueStr);
' m1 e- k$ y; b! V% A2 F8 r0 U
2 |4 y/ b2 |' A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???! R* S& k6 `1 B8 s9 T6 T6 W
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
. S- @ U( w/ q2 {( K$ G// Request a value from Extend
8 ?; J0 z) V" V" w//
0 q- J$ ? f! o5 \ h// Initialize the variant that will hold the BSTR. Set the variant's# {5 p9 _+ d8 b
// type flag to indicate the fact that this variant holds a BSTR. Place the
' R$ F' G; `% M& y// BSTR into the variant structure.! x: E" A0 ^% v
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" J2 ~5 k: R/ `2 {
1 F4 e7 J. P0 ~" I" t# l0 J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ G- ^1 x1 U) c1 {8 t
VariantInit(&requestVariant[0]);
6 [# r: @- M6 b# F requestVariant[0].vt = VT_BSTR;9 I: @8 a" f" H0 }2 u6 i/ t9 O
requestVariant[0].bstrVal = itemStr;
- f9 g& h' d8 v3 s! Z2 `0 `+ g) k) [% n, a3 b5 S3 [( {
topicStr = SysAllocString((WCHAR *) L"system");0 V0 _' v' f0 z" m- v/ o
VariantInit(&requestVariant[1]);
* H# t" u( q; Q3 h requestVariant[1].vt = VT_BSTR;( O& B9 n% e; S6 p" P
requestVariant[1].bstrVal = topicStr;% H6 b. [. K' K1 h+ y' @
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
% A! e: o4 M; ]& M5 }& }% W dp2.cArgs = 2;
% `! h2 ^% y( Y! k dp2.rgdispidNamedArgs = NULL;* a& k! b6 Y9 V& s8 Q- l
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()- ^4 O- P0 i6 Q
: P8 b |, p# V1 T" z' n9 f hr = m_pDisp->Invoke(7 n: N7 |' T/ o! r' `% k
requestID,4 m6 u$ ~ R8 `+ y- @
IID_NULL,* @3 y+ g3 L! B, ^7 M: B1 d- u2 S
LOCALE_SYSTEM_DEFAULT,2 U- g$ D& U% o& x
DISPATCH_METHOD,
( ^# ^ ? X# l4 N" L1 v' L) I &dp2,7 M; g5 l1 X5 ~ o
&var,( A# ^0 i' v" e# U1 c
&ei,
8 F5 ~; W$ [3 k$ x5 a& r; D. q$ W# { &uiErr);
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SysFreeString(topicStr);5 R1 z/ ?) Z, b% v+ o+ F
SysFreeString(itemStr);) j7 B" B/ ~; Q: |- j
请问该程序是获得extend里面的哪个值?9 r* P) D) X8 U$ 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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