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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:
! ]: t/ `# O( P$ L3 c& Z9 k# \Name = (WCHAR *) L"Poke";5 K5 ]) U" b. k" J, A% {% T# I% I C; q
5 {: M; [! e' w; x/ h hr = m_pDisp->GetIDsOfNames (
/ p, L& o/ P! h! O8 g IID_NULL, // reserved% _* L x" d( Z/ ?& H
&Name, // Array of names to get IDs for: m. _ m% }6 m% d
1, // # of names in the array0 _2 p) f# h" c* w: r
LOCALE_SYSTEM_DEFAULT, // System locale
" ~( [% N( M+ d/ N/ Y! q &pokeID); // Array of IDs to fill on output# X) D& @1 S2 e+ f: K
& {/ E ?/ E8 {7 S4 I
if (hr)
- A! p6 s9 \, l7 K# {3 C* R8 k* x0 X {
7 t0 ^* P0 |$ A MessageBox ("Get Poke Unsuccessful");2 b7 q Q/ Z, A; A
return;6 \' b M2 o3 E4 m
}
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0 b( e4 P, g7 c0 B/**************************传递数据给extend**************************************/
" N9 L& y% C8 M6 ?* z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
7 o4 [( ^0 x% \! y
* x, g& U' [) p- j; R) Z valueStr = SysAllocString((WCHAR *) L"1232");- y- \& _- S* X+ P3 D9 n' B# G! t! ]
VariantInit(&pokeVariant[0]);
$ F7 ^. K i9 b$ J: C9 L9 D4 q pokeVariant[0].vt = VT_BSTR;2 z/ g$ V! _( D" S# R1 p3 y9 j4 d
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, U2 S% G- R+ K2 @3 H6 j3 J
VariantInit(&pokeVariant[1]); ) H& _5 F$ U( [2 O* M! w
pokeVariant[1].vt = VT_BSTR;
) Y1 D% w5 M( L( @6 u- V0 h. j1 y pokeVariant[1].bstrVal = itemStr;$ p$ Z7 l5 t4 b! S" [/ {1 G
& X$ g# P; [, `0 v/ d$ q i
topicStr = SysAllocString((WCHAR *) L"system");
: o2 w- n1 }) @, Q q) v VariantInit(&pokeVariant[2]); \6 b2 o+ O% N0 h, g' p4 v
pokeVariant[2].vt = VT_BSTR;
! W( P3 K0 E% m5 [7 i pokeVariant[2].bstrVal = topicStr;* O6 B _5 t+ c+ h, v6 F
/ M6 n: s5 D& S( O5 [// Set the DISPPARAMS structure that holds the variant.- D" ]0 J1 L3 m9 a
$ {6 `- P) W3 w/ }3 N! ~/ l dp.rgvarg = pokeVariant;
: F- K* L/ o7 m; [ dp.cArgs = 3;
7 A6 A8 M t7 j W6 e$ N, A dp.rgdispidNamedArgs = NULL;
3 S; S5 X' l% w+ I! F dp.cNamedArgs = 0;/ o0 h* J4 s9 l; Y) {
5 r6 Y. ?2 \6 R- w# P
// Call IDispatch::Invoke()
2 P' |' D2 k/ R, @
: C2 H: o6 Q% T1 O hr = m_pDisp->Invoke(2 {: |' x9 o$ B! J# G) n
pokeID,$ f/ M* y4 S8 n) M1 ?- l# I
IID_NULL,
6 a. R; d! U7 Z" V; U+ W6 [: j; }6 } LOCALE_SYSTEM_DEFAULT,
6 v5 l% b& |3 L7 }7 {1 m DISPATCH_METHOD,# f K, h0 t8 a1 p# `7 a7 z+ C$ Z
&dp,* [$ T$ u' L5 R' l1 j) \
NULL,
# V4 E7 R9 I) j0 b &ei,( K l3 P i! g
&uiErr);
1 J6 m. |$ V# a3 {$ T
4 Z* j/ X3 h0 R P: Y SysFreeString(topicStr);
! n1 L( U8 n" a SysFreeString(itemStr);* B+ F: l8 J4 N5 d' ?% H
SysFreeString(valueStr);
5 q1 | Z% }$ {% U$ u6 g3 W" K3 r3 J G
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??? B7 x4 K3 @ s ^$ D$ ?
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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' q" ]8 _1 Q9 U! M# i9 Z! q
7 M+ A6 W3 u( S. q$ T' L2.这是request的程序
+ T' G) i; J3 b// Request a value from Extend
' k* C5 \1 w0 V, q% M" U4 P- v9 Y/ R//
7 e3 G2 }4 L5 ]% {1 ?! Q// Initialize the variant that will hold the BSTR. Set the variant's
+ S$ ]6 ?, A1 d4 w- k* F// type flag to indicate the fact that this variant holds a BSTR. Place the
9 _; R( x% L h4 @3 h// BSTR into the variant structure.
: F1 v+ ?. U- q+ U6 r9 o% M9 }2 D d8 Y/ q% V" A5 T
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ @1 S, c# t, ?3 M! j6 H
$ L3 ? n# O, s9 o) Q7 T+ ~
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ?* d% {; C i+ j' F4 g# B3 V
VariantInit(&requestVariant[0]); # r' M3 \8 R: E" @
requestVariant[0].vt = VT_BSTR;
) W3 K4 V' ^& J" o+ `' }. O: \ requestVariant[0].bstrVal = itemStr;! D, r9 t6 g# V# c+ P
2 ?- k9 @2 k$ l topicStr = SysAllocString((WCHAR *) L"system"); L3 ~' S' @$ X; \
VariantInit(&requestVariant[1]); 5 w+ _% y+ K) L: ~, @% ], i
requestVariant[1].vt = VT_BSTR;* ]- J# e. g' p* h5 u8 G
requestVariant[1].bstrVal = topicStr;: \7 ?* {/ X$ r- H
* j. n, H5 p% e6 F8 q
// Set the DISPPARAMS structure that holds the variant.
* }5 `$ R' [: ?: N+ K8 B
( a) O. i" g; j( A% j dp2.rgvarg = requestVariant;
; Q" O6 W7 g. X3 _& D* Q6 C dp2.cArgs = 2;. f8 _9 x2 j% U8 I I: [) I% M6 \
dp2.rgdispidNamedArgs = NULL;
. _9 Q6 n. g/ \3 r+ n6 P/ W1 J dp2.cNamedArgs = 0;
5 g8 S) V$ P) ?1 A; }4 X( o# _+ }$ y% N5 R, }% N% ^
var.vt = VT_EMPTY;
q6 n. s% Z7 ^! a6 x o: Y
5 z0 z4 _: O* H// Call IDispatch::Invoke()
: R, R* w5 R2 S$ ]% i! a$ @$ M. N$ ~% v
hr = m_pDisp->Invoke(8 e; R* U2 i) k9 G' i5 `3 l
requestID,
& e! t2 o9 U: v1 T: N IID_NULL,: X0 y9 W" Q5 B$ f. ~; r1 B
LOCALE_SYSTEM_DEFAULT,
- g% ^; O) a+ D& Z. L# J _7 C1 t DISPATCH_METHOD,
' r7 t2 x+ o1 @) W+ F8 J, S &dp2,
# a/ M$ T$ N3 `4 h: ^5 o) s &var,
K9 ^" {9 u; M \; p5 ^ &ei,1 ]4 z9 I$ p# U3 n& v1 J
&uiErr);% Z9 j; x, ~! q' |% B7 }3 T
9 H; }0 y9 m% R0 {2 H8 W
SysFreeString(topicStr);9 _+ H5 C: n: u) }% v; ~2 [
SysFreeString(itemStr);% P% E, B/ L+ ] g* V
请问该程序是获得extend里面的哪个值?
! C8 Q& E* @6 Q/ C+ T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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