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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:$ m+ {% L/ N' X o* k
Name = (WCHAR *) L"Poke";/ D# i8 k- r) [5 O& Q) e
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hr = m_pDisp->GetIDsOfNames (
! J: i) Y9 E1 ] IID_NULL, // reserved0 x/ e* V( _$ U& A3 H; X2 h" g# n
&Name, // Array of names to get IDs for
9 g$ o* q) S# [; K 1, // # of names in the array$ Z3 Y6 S9 B, I, @: G. I
LOCALE_SYSTEM_DEFAULT, // System locale9 K; W3 O) W- z5 q- F( X6 R5 C+ X3 c
&pokeID); // Array of IDs to fill on output
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3 E, ?3 t% i" r3 M if (hr)8 L* T2 D6 p1 K
{+ ?4 Q9 Z5 {& S% P+ [
MessageBox ("Get Poke Unsuccessful");
" k3 L0 A W' b5 O+ e# d0 O return;
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/**************************传递数据给extend**************************************/
: l2 F- _ a+ {. ~ ~; P: F) I' U pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& k: P2 g" r$ U" |% t9 T+ A" e- c
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valueStr = SysAllocString((WCHAR *) L"1232");
H, D2 O5 d5 K VariantInit(&pokeVariant[0]); 6 ]: D( b: G1 k' {1 X- J7 S9 S
pokeVariant[0].vt = VT_BSTR;$ ]0 c( E D1 k" m
pokeVariant[0].bstrVal = valueStr;
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+ L/ D- N. @# B0 n; R, T: B itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); i* a( i. _2 W+ \3 Q5 a# |% _
VariantInit(&pokeVariant[1]);
* E* \: y# @2 a/ D- v+ h3 Q) \ pokeVariant[1].vt = VT_BSTR;
5 E6 F1 x3 q; v0 O( P# |2 ] pokeVariant[1].bstrVal = itemStr;
" S+ d3 s5 c' f& J( s) t! f1 z
* J {3 O: t6 u5 N7 ] topicStr = SysAllocString((WCHAR *) L"system");7 p. e; G* x& x: j1 \
VariantInit(&pokeVariant[2]); : H% Z3 I+ c) i( H0 b
pokeVariant[2].vt = VT_BSTR;
9 y: b5 X' \0 p7 h! g: }1 J4 i n pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
# L, ~; g1 K* M2 @- w! A3 }0 b) n dp.cArgs = 3;
$ k" f# |/ Y# R6 O dp.rgdispidNamedArgs = NULL;. k* E3 [5 K! i! M
dp.cNamedArgs = 0;' a* h% Z, `0 @$ ~
- [7 C7 j7 ~4 f. c( ~0 A! W# n" @// Call IDispatch::Invoke()3 I/ p$ J E, ~
2 t- f* U: k/ ?# @ hr = m_pDisp->Invoke(
0 O5 u! o* G0 O pokeID,7 v/ R% Q( v7 M+ _3 |2 |
IID_NULL, B0 t: u! I( F" Z8 e! B2 Q
LOCALE_SYSTEM_DEFAULT,; X; I6 I3 i4 `- ?( g5 O
DISPATCH_METHOD,5 T f. l9 |- n2 b
&dp,
+ ~# W! a* }& k7 f+ n* P NULL,$ q- i) M" f# ?
&ei,
* s& ]. p7 k: f! B* f3 H! C &uiErr);7 ~0 ^. g+ k' w$ _, N( w
+ |" `% t; V- Y8 R3 F& d2 K; ]
SysFreeString(topicStr);
, S3 K8 d/ |3 J+ ~+ z- y& y SysFreeString(itemStr);3 X" K6 L. u& G! o, B
SysFreeString(valueStr);+ d, p$ {# J* M' X8 q# U3 R
. y, Z# i$ T7 F
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???( H. L0 F, ^, b0 q* B
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????- @ L- o2 g& z
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2.这是request的程序
0 c! A/ t; x3 b: k2 e// Request a value from Extend* F" c1 _2 G5 M
//
5 H6 Q" J5 r5 V4 R( A// Initialize the variant that will hold the BSTR. Set the variant's
9 F' J* n) E9 v8 \' b7 t// type flag to indicate the fact that this variant holds a BSTR. Place the. w# K( m9 @4 w% k# `
// BSTR into the variant structure.# }; D8 r2 {# w( Z& v6 _
+ r2 P% D/ Z& v5 D. c requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' l0 m) E. r+ e0 T/ p0 Z VariantInit(&requestVariant[0]); ) x+ X! i. a' E) v) ]
requestVariant[0].vt = VT_BSTR;
9 D) p8 y& ^. q- \2 ? requestVariant[0].bstrVal = itemStr;$ s2 s7 Z* S0 a; W' l* s, l
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topicStr = SysAllocString((WCHAR *) L"system");
- Q9 c& ^8 C) ?* u' V VariantInit(&requestVariant[1]);
" c" |7 _6 T( R3 u/ C# e( i! ` n requestVariant[1].vt = VT_BSTR;. D+ e/ Y A* t
requestVariant[1].bstrVal = topicStr;2 P. }6 G/ \# \& ?: Q
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// Set the DISPPARAMS structure that holds the variant.9 a t) c6 H' c$ F! S" {& J
2 w) G6 E# o2 }. r dp2.rgvarg = requestVariant;# P/ q4 Z, l) E' R9 _
dp2.cArgs = 2;2 A6 u1 K* K( w! \+ ]7 `
dp2.rgdispidNamedArgs = NULL;
2 ^ \8 k. X' _# n& X* B) v dp2.cNamedArgs = 0;* k4 S1 R* o8 C f. z- ^* w
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var.vt = VT_EMPTY;7 P9 b- c7 y' T$ P
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// Call IDispatch::Invoke() h& {/ a/ T7 I' q: \* {8 F$ Q% m
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hr = m_pDisp->Invoke(0 n1 X: {% F7 d" |$ f
requestID," x f) c+ v( v1 X0 D) o+ T! m
IID_NULL,
, U: d4 G" j7 w- L- @" V9 w" Q LOCALE_SYSTEM_DEFAULT,
; t6 c6 `! `! v/ ^ DISPATCH_METHOD,
; @+ y0 T1 M/ v* }+ @# J &dp2,
! j* B( x" J! N1 {3 [( A, f1 H &var,' D# {$ N- X# |" j" f& [
&ei,
0 C$ e1 ]9 i* j0 S! T &uiErr);
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SysFreeString(topicStr);
F- a1 r4 j8 k, ?8 b" C2 I SysFreeString(itemStr);# {# t% X$ u7 ]3 e
请问该程序是获得extend里面的哪个值?
+ ~1 S$ |1 x, Y+ K c8 X8 d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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