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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:4 F* @& I7 Z- x) D
Name = (WCHAR *) L"Poke";
" r" M0 T( [; J6 z7 U! d! s/ e
7 l; U/ V' v, } hr = m_pDisp->GetIDsOfNames (
4 A) a* v; F. R IID_NULL, // reserved
' y% }- {6 Q9 ^5 y Y! y &Name, // Array of names to get IDs for% ~" i# I! ~% ~. j" z1 x+ C0 Z) C
1, // # of names in the array
n5 P/ D% t7 r$ u LOCALE_SYSTEM_DEFAULT, // System locale: e8 q+ J& s& G+ e/ V
&pokeID); // Array of IDs to fill on output
8 e( L; k7 o3 G . r) U) F3 r3 G
if (hr)% r9 B+ I2 o7 f
{
! c0 X! n' [' N MessageBox ("Get Poke Unsuccessful");' `% q F8 P$ O& E3 a8 Z
return;
3 I. ^+ ~0 L! {. F0 X; ~2 W }
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* ?8 m* ?8 H) o& a8 p' I! p7 b: [/**************************传递数据给extend**************************************/
" \3 X2 Z, N% P3 x1 Z6 [ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# P; @, B `/ A0 z7 Z# |) o, O+ g
+ N. c: Z' K4 Z2 Z6 h- z) m8 e
valueStr = SysAllocString((WCHAR *) L"1232");
' h# {$ `- l9 p7 u VariantInit(&pokeVariant[0]);
/ `; u9 I7 C- F0 `% w* C pokeVariant[0].vt = VT_BSTR;# x( T/ F7 \, Z4 h( E2 Q# G
pokeVariant[0].bstrVal = valueStr;5 Z, F/ E2 o, A* v# X3 l
8 h0 o7 F% D5 U0 X- I
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 u6 A0 O0 }. h3 Q: E
VariantInit(&pokeVariant[1]);
& l; A& l) r% d3 K) s pokeVariant[1].vt = VT_BSTR;
( d. R, ~: i/ ^ pokeVariant[1].bstrVal = itemStr;
F) y3 S# @2 R% }9 w2 s9 Y
; Z' m1 ~. Q8 R; T) G1 O topicStr = SysAllocString((WCHAR *) L"system");4 F4 a7 n* z5 m7 O0 n1 F# J* U
VariantInit(&pokeVariant[2]);
) L. Y7 Z, h+ b* E" C1 S" I pokeVariant[2].vt = VT_BSTR;2 D) @! E$ P6 \& M" {8 f) W
pokeVariant[2].bstrVal = topicStr;5 p7 t3 X; V5 l/ c9 N! S2 G: U- h; Z; @
( Q1 J2 }3 c# [0 V" X# o// Set the DISPPARAMS structure that holds the variant.! D& m* ^) t) y2 X* S# W
% M% M( L& }. _2 q' x dp.rgvarg = pokeVariant;
& _& ?. D8 r" D& i O- { dp.cArgs = 3;' q4 a2 S' L; b- P3 J
dp.rgdispidNamedArgs = NULL;1 }" N* y7 k# [; O9 ~; |5 ?
dp.cNamedArgs = 0;
& T9 a3 I! k3 R1 U
7 S$ p4 V0 Y' P! |5 z% V* D* @6 s// Call IDispatch::Invoke()- Z1 z6 V1 V3 ?7 G: m2 F
: o6 o% W+ n# `& l0 _
hr = m_pDisp->Invoke(( d/ z3 w( X4 t! V
pokeID,
" \) s! w& o; i& s( ? IID_NULL,* q) A8 u; y4 W; H* m# i2 I7 l8 c. r
LOCALE_SYSTEM_DEFAULT,
7 r$ @/ q4 e# u- p7 f DISPATCH_METHOD,
+ v/ }+ k7 y& X* B! _5 I- q &dp, K0 g* b# V, P. ~* u+ _! v9 y6 O
NULL,% {3 O1 T! t& E2 j; g2 ^
&ei,* `3 T. y9 \/ {7 P
&uiErr);
! v% k' S) ~& D9 I8 L( D G( { @: z3 L
SysFreeString(topicStr);
4 ?3 N/ ^% ^) t/ v: |! p# a SysFreeString(itemStr);
b m L* q; k, c" Y SysFreeString(valueStr);$ O& i' \7 X( k8 G
# y, x7 s6 Q |
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???
6 z+ H. Y" m0 L& M8 Z! y, `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????; B4 m. W" V# ]! R3 U8 W8 O v$ Z
0 f+ Y, G# r( M7 S- O/ d
$ }+ Y8 a/ ~7 g) z, ^2.这是request的程序& h( f: A4 ~2 v) `: `* }; u
// Request a value from Extend
8 S9 G A5 X9 ?: V6 b7 V//
7 w$ K- s$ K5 _* {% g// Initialize the variant that will hold the BSTR. Set the variant's
& `; d/ b- m/ t$ U3 H& O// type flag to indicate the fact that this variant holds a BSTR. Place the- J% L4 x+ Y( C
// BSTR into the variant structure.
( ~ i" h& s6 B% Q' x7 x; J. @) ]) s2 P* N
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
/ ^6 `- H" V5 P8 W k9 n9 {6 V
. A& B" s! [0 Z, h6 X0 L7 X; Z4 p3 s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 s& H6 K' o o& z0 e0 h* {0 P" R
VariantInit(&requestVariant[0]);
$ G4 \8 d5 x p; ]! s requestVariant[0].vt = VT_BSTR;. d/ b# w) }. R7 P& U0 k
requestVariant[0].bstrVal = itemStr;# o& t$ }9 |5 {
0 q) r/ ^* R! ^# u1 z: j topicStr = SysAllocString((WCHAR *) L"system");4 ~, u1 Q, ^+ P
VariantInit(&requestVariant[1]); : [) g1 ]8 p- ~( O. v" r" L
requestVariant[1].vt = VT_BSTR;
+ f. W; _' c& N requestVariant[1].bstrVal = topicStr;
7 n C1 E* ?! ?. C' W' L! R- l8 z) T" q1 M7 y" T6 \6 ]6 [. A1 [ P2 A* y
// Set the DISPPARAMS structure that holds the variant.$ d( z. A2 Z7 K: h
, f8 e, @5 C _" m4 ? dp2.rgvarg = requestVariant;9 k8 b9 L6 u" }# H* F3 o+ ~
dp2.cArgs = 2;# _; h! t; J2 {" o+ {4 x4 o i3 Q
dp2.rgdispidNamedArgs = NULL;) z7 M2 a. @( W1 X- z' k
dp2.cNamedArgs = 0;6 y8 w: ]$ z: ]+ a
9 g8 ~; m; Y3 a4 y
var.vt = VT_EMPTY;2 r' n6 @- \/ M+ `/ k* P
- _6 M v* C: l7 o// Call IDispatch::Invoke()8 K6 u+ g+ c5 u( N. m- L0 J) h
+ D7 ~' ]( g5 y! V% N( T hr = m_pDisp->Invoke(, b! g6 t' w& j6 c6 V. n
requestID,
/ _1 c1 D! _0 K( H5 ~ IID_NULL,
8 H) M6 }1 }& d( ^! [6 F LOCALE_SYSTEM_DEFAULT,
* E. {9 j# V* k9 Q0 ]2 Y DISPATCH_METHOD,1 s( B: q$ \' V. O5 i7 @2 n4 M8 c
&dp2,
* l. ] W. e+ v) m% x. M2 v% ` &var,
& r7 ?5 l$ I8 b. Y& \0 u &ei,
$ s; i8 {2 d% k1 [: z } &uiErr);" `9 j0 B; K$ u; \3 A9 f3 V
& y; u% i) [" J( ]) H* |, @ SysFreeString(topicStr); \, i- l7 f5 q, K
SysFreeString(itemStr);' k/ T* C# j! g4 t; Q
请问该程序是获得extend里面的哪个值?
% t8 h: O2 M% V/ q+ N. O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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