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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:' [9 j# E! k5 ^7 e. P! y/ o
Name = (WCHAR *) L"Poke";7 W& `2 u# x0 `( Z* p
" k) w6 w1 f9 T hr = m_pDisp->GetIDsOfNames (
6 G7 w. G3 p% i, r5 r+ v IID_NULL, // reserved
4 D* L' K- @: L# N0 V3 k &Name, // Array of names to get IDs for$ L( W, `2 K8 ^- `+ H! x
1, // # of names in the array
* K% o' C, m4 v9 _+ o$ M% z4 s LOCALE_SYSTEM_DEFAULT, // System locale
& X5 s {) o+ B0 _7 `0 } &pokeID); // Array of IDs to fill on output
. `, ~* u7 \6 ]% l5 q$ \
$ b1 e+ k7 o( z3 |! c if (hr)
/ Q6 H4 f: j ^$ {3 ?; v {
9 Z2 ?$ c: H# p( D/ O# T" F MessageBox ("Get Poke Unsuccessful");1 Z- A4 G; y, I- A y, z, j
return;$ h% [9 C; s( m8 H* o0 Q5 f
}
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& j* b+ }/ Q t' R4 R/**************************传递数据给extend**************************************/
K, C! |% ?) X) c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) }! x/ \, N: @& G, D, |- A2 f
( a0 M5 H0 E/ u% A* l valueStr = SysAllocString((WCHAR *) L"1232");0 v6 Z. C( J4 r: Z \
VariantInit(&pokeVariant[0]); & y3 q& L7 ?8 h6 k! ^: G
pokeVariant[0].vt = VT_BSTR;* a$ [4 D/ b$ Q0 O* Z$ {0 E/ W+ F
pokeVariant[0].bstrVal = valueStr;- t/ D& q3 i( |$ w8 ?
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 L% i) F/ \2 `* n5 g8 l
VariantInit(&pokeVariant[1]);
, G! S' r, x9 u$ ~6 _ pokeVariant[1].vt = VT_BSTR;' m1 A) P4 T5 b$ M& e
pokeVariant[1].bstrVal = itemStr;, n, ^' @6 G/ f+ o& i
! ~ A, s, L1 Q8 U
topicStr = SysAllocString((WCHAR *) L"system");
: q% W% O0 k6 W& @% F VariantInit(&pokeVariant[2]);
% m3 [4 l6 S1 D* c+ A2 f+ p6 \( [ pokeVariant[2].vt = VT_BSTR;
6 P% s! t1 {1 d% W. ]5 S7 a/ T: P' j pokeVariant[2].bstrVal = topicStr;0 K' L: {) T+ z' O T. d
/ X$ w l p, Z; m// Set the DISPPARAMS structure that holds the variant.
/ G" W) Y% R/ p c) }8 @
* Z& n, _% M7 a7 h2 I( I }2 ]+ t dp.rgvarg = pokeVariant;* p. _2 h1 ?) S+ C) ?
dp.cArgs = 3;, i+ {, @ F: V! q6 U
dp.rgdispidNamedArgs = NULL;
& n; z' P4 y9 h$ ?0 k dp.cNamedArgs = 0;
1 q L3 s& d* ~) v+ c, |. P/ w) V* ]
// Call IDispatch::Invoke()7 R; d+ Z/ n n- h% W9 Q/ b8 _
: L+ G) J0 `. i hr = m_pDisp->Invoke(' n- c. r9 v; k& X, q9 o6 b
pokeID,& S' u5 L) w3 M1 E- j9 |
IID_NULL,0 u% {$ F) k# d7 J) a# B
LOCALE_SYSTEM_DEFAULT,
4 z% ^1 L ?; W) _- p DISPATCH_METHOD,9 ~8 z" ]) x( ]- r$ d
&dp,' t% ^2 w1 i3 c* q( l
NULL,7 D9 c( A4 }5 m G4 @, r
&ei,2 ?% i9 [/ d- P1 W; z7 [
&uiErr);
$ b; m6 y2 U. `) e% H) m+ s- L. W5 h6 w. s- A2 g
SysFreeString(topicStr);
2 b. S& C# [6 [2 l6 I SysFreeString(itemStr);+ Z+ I' b7 U7 z' O+ `' B1 {& U
SysFreeString(valueStr);
- G; k& l; l6 j/ F
" h; e9 c" ~8 \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???1 r. @" L5 k1 [+ N6 M% G
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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7 m- y: V- f! I; c& k _3 m! \
. V! n6 ~3 c8 J/ m6 m! k2.这是request的程序
2 k; K2 {9 z5 H5 y. A// Request a value from Extend
' Z$ t5 _% V/ T1 X0 ^* I' M( P//
, F9 a6 _. d# e// Initialize the variant that will hold the BSTR. Set the variant's
6 C$ d! `- r7 T. D// type flag to indicate the fact that this variant holds a BSTR. Place the
" w: x2 B5 h) z( c2 |" _5 o ~( f// BSTR into the variant structure.
2 F% ^% B1 q+ X7 b/ P6 Q: h0 @& s$ y
1 x6 B4 y/ q5 [* H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 L% p8 G ~9 b- W8 l
# X6 \2 x% s* C4 a
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ u& l5 L! N) v4 y" `8 k
VariantInit(&requestVariant[0]); * i+ J. @/ @# _: Z* q. q# m& i
requestVariant[0].vt = VT_BSTR;5 E4 T) Q& g+ ], ]+ Y
requestVariant[0].bstrVal = itemStr;
/ c. g- g% ?$ q5 O; r$ f6 U2 p+ c( M
topicStr = SysAllocString((WCHAR *) L"system");0 T# u: F3 }9 \9 }
VariantInit(&requestVariant[1]);
T7 Q4 e" M$ r" i$ h% P requestVariant[1].vt = VT_BSTR;
5 |) R: s9 X6 S1 } requestVariant[1].bstrVal = topicStr;0 m; _0 y5 U: H( m& T9 S }
0 J: i/ c; }6 f// Set the DISPPARAMS structure that holds the variant.5 C: ~, J2 N- m' O1 e
. h7 x( u! y/ W: i I' m
dp2.rgvarg = requestVariant;: K. X* s* m* E& ^1 F! J1 b! u4 K' {
dp2.cArgs = 2;8 ?" j9 {3 u. b. U' Q8 O1 Y
dp2.rgdispidNamedArgs = NULL;
/ l/ @$ o% E6 e, B- f% p. D/ C dp2.cNamedArgs = 0;
9 P$ N2 v& Q/ e
5 x$ h2 D) d% D0 S: o$ U5 p var.vt = VT_EMPTY;* G$ B4 w- E4 f: a" ]% [) k( A
4 K U, A2 n9 i/ W; K( N! c; f: \
// Call IDispatch::Invoke()
! b$ o+ P) Z/ M3 v: a0 a# b" L* F( v) Z0 e: v
hr = m_pDisp->Invoke( j% a5 ]6 t# x9 Z" `- d9 h) J
requestID,
8 \' o" W. A2 R2 u4 L; ? IID_NULL,
, m2 Y( l( ?: P U LOCALE_SYSTEM_DEFAULT,
8 O5 x, T& z; r/ P2 x, {. e/ [ DISPATCH_METHOD,
1 }1 _0 g, h% K" f/ M( z &dp2,! c4 f! s& W' H* n
&var,: K. j( V, n9 [3 g' ^
&ei,
* P' K$ P( U j. P+ Z &uiErr);, x) S+ L( N, v4 O
$ D3 I# Q. H+ [ `# } SysFreeString(topicStr);
; w0 t2 F( R* k; Y1 h! y SysFreeString(itemStr);
' K) v6 X7 B _; Z- Z请问该程序是获得extend里面的哪个值?1 x- k6 U$ I# x; A0 ^- z( X( |
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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