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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:5 ~8 H4 |, C# T5 O! B; d
Name = (WCHAR *) L"Poke";& z9 X+ U! u. z) u( D0 N4 d
4 n2 Z5 f* n& {/ q- r hr = m_pDisp->GetIDsOfNames (
# D" ~0 B' w5 j7 W( x& N4 J IID_NULL, // reserved
7 |' c E* ?. n7 A7 q5 T7 X: U7 ?7 X &Name, // Array of names to get IDs for
% @. Y8 _# o) R- [7 e0 D2 A 1, // # of names in the array
* @' @4 k8 u {. a, g LOCALE_SYSTEM_DEFAULT, // System locale
5 D5 ^ }7 k$ P* q/ i/ K9 F! [ &pokeID); // Array of IDs to fill on output. x4 v8 p% J9 @2 \; O4 q
! e+ a7 q6 p; `# G4 ^ y if (hr); O" h- |6 c. n& J% d& c
{
* @1 r& w C! B3 ~$ P MessageBox ("Get Poke Unsuccessful");
/ T$ h; h' u" ` return;
% L' s' c, z/ B, `8 z }8 Q+ A# o: ~( {' V
/ h; I7 z# c7 A' Z; ~$ @/**************************传递数据给extend**************************************/" ]$ E" p6 U3 R+ W6 v
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");- n8 J1 `' I# u7 [0 X% o2 s
VariantInit(&pokeVariant[0]);
; b% y6 y" l1 @* ?+ V pokeVariant[0].vt = VT_BSTR;
) U) l+ w9 a9 G9 A6 T- ? pokeVariant[0].bstrVal = valueStr;! u/ I1 B* B t. f1 h
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 l0 p' Z" i8 R
VariantInit(&pokeVariant[1]);
9 J4 _/ _; e$ q pokeVariant[1].vt = VT_BSTR;
) d3 t2 R& l; g# y- U3 r+ O pokeVariant[1].bstrVal = itemStr;
: q9 l8 B: Z G" F' E' G+ c; k5 V# C
topicStr = SysAllocString((WCHAR *) L"system");/ A& T) `0 A1 [% C! N& L2 n+ n
VariantInit(&pokeVariant[2]); # {0 X- t( [. p
pokeVariant[2].vt = VT_BSTR;( q0 T* e* Z; }' t7 T( ]) i
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;5 o& p+ `. d2 M& h: q
dp.cArgs = 3;5 A) F( M. }+ ~: e% R
dp.rgdispidNamedArgs = NULL;: Z3 X/ c' |5 _$ b% _" A3 a
dp.cNamedArgs = 0;9 v0 Y& w6 c! p; b1 Z& h7 b
6 K, ]- D" H/ m5 [0 i$ h
// Call IDispatch::Invoke()$ O; c6 q# P) a; O$ p' U' T4 i, o
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hr = m_pDisp->Invoke(. ^7 C' m+ x7 M: V
pokeID,. s8 x3 ]5 j% y) K5 M
IID_NULL,9 ]* E; s6 ?- L8 o% d* |
LOCALE_SYSTEM_DEFAULT,3 w- [7 P8 z- r% I# d
DISPATCH_METHOD,6 O4 Z* j9 L) V
&dp,
; V. E5 V( E g( ~5 } NULL,
4 h: b' u3 Y7 F3 I& p; v& G &ei,& S- i# Q+ c8 l+ {- a1 B; N7 K7 ~
&uiErr);
" W9 P1 ~4 ?9 U1 }' P. n
! @7 r* B6 F* P% Z& ]5 r9 B SysFreeString(topicStr);
' M7 h$ b& V! [: K. u SysFreeString(itemStr); x% R' t4 L6 y- a& c N
SysFreeString(valueStr);9 D; [; W: A1 g8 z& P
$ G: s. H% u5 d1 E1 |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???
: I7 U8 \ A# M R) x: N5 S+ x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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Y8 Z1 W+ l* t! V0 r2.这是request的程序; D j( c) s" o+ ?
// Request a value from Extend X% r/ w" J6 j9 E3 N
/// b8 K4 z+ A4 T2 T
// Initialize the variant that will hold the BSTR. Set the variant's! @$ `8 Y+ w& Q5 L0 d/ g- c- x
// type flag to indicate the fact that this variant holds a BSTR. Place the
( b" o Q3 z/ w9 T: ` h// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# w- D; @& s. C- k& d( N) Q
VariantInit(&requestVariant[0]);
, t. k+ h. B9 X, o. i7 b e h requestVariant[0].vt = VT_BSTR;3 Q& H: q) U4 H6 W+ m% M
requestVariant[0].bstrVal = itemStr;" l }4 k& L" r; l. H7 g+ X
& c, k; ^% v0 i$ w
topicStr = SysAllocString((WCHAR *) L"system");% O% l4 I/ |+ H6 \$ r
VariantInit(&requestVariant[1]);
G$ ^: e6 H8 o! O* k" s$ j requestVariant[1].vt = VT_BSTR;# H# T2 ~" P7 t2 {6 m0 G8 ~ D
requestVariant[1].bstrVal = topicStr;
) }9 K$ q5 M& O9 u+ X
8 @9 \' i% R- G0 E0 }// Set the DISPPARAMS structure that holds the variant.* E" Y5 D4 k& [* ?1 x9 e' V
+ Z: f" ?2 \5 B$ E8 x2 }
dp2.rgvarg = requestVariant;
9 b: Z! t: s) g7 r( l/ s/ [1 V dp2.cArgs = 2;9 E" L2 ]4 c/ N
dp2.rgdispidNamedArgs = NULL;' Y* B* M' S J9 r: t
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;- ?( U8 i1 F( b5 L
3 b: U9 y: n( ^! y+ I7 }+ F// Call IDispatch::Invoke()) O7 F& P0 E5 m2 y
7 L, m5 D, U' o! ^7 h6 \8 V& p, `% R) N hr = m_pDisp->Invoke(
) U! h( t: d' \- f: o requestID,
' K3 A! o3 k' m2 H6 s/ e# b5 Y IID_NULL,
( V0 S3 f9 P0 I! t' d# c LOCALE_SYSTEM_DEFAULT,
& X0 `2 m" ^' D; D8 l8 z' _6 G DISPATCH_METHOD,9 x2 ~# o5 R" G" J6 W4 i) q% n- U, N- z) u
&dp2,2 T. _1 I, c" T( N1 `6 l' T7 W
&var,
7 O3 E$ |/ N: G6 } &ei,
* f& V5 w \% T- c: [! T0 Y0 n &uiErr);/ h' }' r2 d& Z2 g$ u* e
3 z/ g, `, X- A4 C
SysFreeString(topicStr);! F+ Z) j. Y! M& \: S( I8 V, a7 b9 i9 P
SysFreeString(itemStr);0 O( W7 K7 j; b3 j: D z7 a
请问该程序是获得extend里面的哪个值?
# w4 O/ m- p4 b: }0 c7 ]' q) `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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