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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:# ]) Z/ W# L( I7 }" e) w/ x7 h- F
Name = (WCHAR *) L"Poke";: s0 i H2 l4 c, r; h* n
8 l* ~# f W/ j% A' l9 f hr = m_pDisp->GetIDsOfNames (
1 N* f H, F" B& H IID_NULL, // reserved
: [8 v i9 s" T1 E7 I N! J9 A7 w &Name, // Array of names to get IDs for
! S' `7 K/ {& y8 X 1, // # of names in the array: o$ g2 W' y# W9 z7 S4 A
LOCALE_SYSTEM_DEFAULT, // System locale
( X% Q- G9 p0 H, a- F. c7 A' \) `; d &pokeID); // Array of IDs to fill on output
$ e% {. s4 W2 h
; w. @7 F* h. F8 u; f$ y if (hr)
& J7 ]; b: w, f5 ] {
) Y0 d- Y1 y: P" F5 k- x MessageBox ("Get Poke Unsuccessful");
& Q$ B; j7 k; Q7 F$ j! Y return;7 L5 o' X* V- }+ C T0 ]5 W' {
}
" ~1 l+ ?& O9 D& @8 a: |( ^* ~
7 D) }2 r9 q% `/**************************传递数据给extend**************************************/
$ z& V2 [# I3 T pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 e# d# c" T) F/ y! C/ g
) i' ?% E, | F t' Z4 O( O valueStr = SysAllocString((WCHAR *) L"1232");
# V1 z2 T# S0 T5 a" W* R+ H VariantInit(&pokeVariant[0]);
3 f$ E a" r5 @# e' V+ u pokeVariant[0].vt = VT_BSTR;% [# h: s3 m3 b) }) x' H
pokeVariant[0].bstrVal = valueStr;; B) X5 @+ k/ M* L
9 h/ }2 f1 W- ]8 ~- O3 S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; g0 s) z4 x( ]# N& S( x$ B VariantInit(&pokeVariant[1]);
& \/ @% l4 x. J/ v2 }3 { pokeVariant[1].vt = VT_BSTR;
, D8 u" r! @1 b8 i' u/ Y) W6 C. R pokeVariant[1].bstrVal = itemStr;
3 g8 A; K n) a
/ h; j8 i3 r7 V, L topicStr = SysAllocString((WCHAR *) L"system");
* m( F$ ^. F; h5 m k VariantInit(&pokeVariant[2]);
- V$ O* _7 d! N pokeVariant[2].vt = VT_BSTR;
1 Z% o. O" S* _8 R* Z pokeVariant[2].bstrVal = topicStr;
% v9 t7 C z+ @ N: B& c* h0 l- y, b. _" T; Z
// Set the DISPPARAMS structure that holds the variant.
- v1 A2 T5 X1 H5 J' \
$ @0 ` e @3 m dp.rgvarg = pokeVariant;; m; ]2 R9 m6 V
dp.cArgs = 3;
8 W& Z1 T1 b3 N" f! l dp.rgdispidNamedArgs = NULL;
: ^8 v! `( ^9 a; b, C# ~ dp.cNamedArgs = 0;, M* w9 G9 m0 u
! F, z* l& i. ?; K8 q% H( _) n// Call IDispatch::Invoke()
( q% x0 {( \, d) H( T
1 ^: w, D( O( q7 ?7 G3 P; c hr = m_pDisp->Invoke(
. M' B; X! L6 d4 e pokeID,
' M* J- f3 b8 u+ \( E IID_NULL,& b1 {3 M7 r1 R2 q
LOCALE_SYSTEM_DEFAULT,
( D, ?, X/ f: l8 [4 F DISPATCH_METHOD,/ L2 @2 J5 a& a, V& y; j2 Z4 o% J
&dp,8 u0 N4 a, G% L/ X
NULL,4 `3 g8 p3 r$ {3 k/ u
&ei,5 D- i3 a/ @) c; V1 k6 X
&uiErr);
# ?* v% Y4 N* a% d, l9 F: ]0 A- }$ g
SysFreeString(topicStr);* H- R! z7 c" R/ {" C
SysFreeString(itemStr);
! d; @* M, b- [6 u. ]3 ~ SysFreeString(valueStr);, w; j1 E! {! E# b$ Q0 t$ S2 q
, ^2 T" B( z' B+ b6 S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???
/ s1 m- F F" l+ R6 B- U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????; I* b( V: R3 M! Y! f7 C
+ Q' L" R: Y$ F2 y0 R
( r0 z: {: H& W3 Q2 r* a2.这是request的程序5 R* w/ Z2 ]% \* ^' z
// Request a value from Extend& r: L4 C- X+ h1 o) ^4 a
//1 L7 F9 e- z. j |) r+ x
// Initialize the variant that will hold the BSTR. Set the variant's! @4 u6 E; ]& F, s
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 v! @, Z! ^& l2 Y( Z3 Q. D// BSTR into the variant structure.
" W, k: [, h) r6 B5 D; K: E- d3 G/ t h, m) ]
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
/ r8 _& Y, @9 v0 m+ E & z1 v) t" e8 B
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 u- R _3 _; X4 q W VariantInit(&requestVariant[0]); 0 A C$ T2 T9 p1 o6 _8 K/ \
requestVariant[0].vt = VT_BSTR;1 u1 K! y7 }! ?2 w0 |4 W7 y2 z
requestVariant[0].bstrVal = itemStr;
I* Y" H( j1 t% y. |7 a! [9 f$ T6 `8 c/ H5 H% s
topicStr = SysAllocString((WCHAR *) L"system");
& d& m1 ~( E+ P VariantInit(&requestVariant[1]); ) U q; v- u! Q
requestVariant[1].vt = VT_BSTR;
) o, R p' f$ q/ B5 [9 y requestVariant[1].bstrVal = topicStr;3 ~7 `( c% b' ]
; n- Y9 H3 L* W9 P, b. k: \3 n
// Set the DISPPARAMS structure that holds the variant.9 G+ c( z# d# b
# i8 {7 l2 A; Q# l
dp2.rgvarg = requestVariant;
1 z0 }& S% g& z5 F R dp2.cArgs = 2;
n+ ~5 S% X3 ^% h# T dp2.rgdispidNamedArgs = NULL;
2 ]4 F+ t7 W# ?, p( s6 z$ z* ^9 Q dp2.cNamedArgs = 0;
0 u/ w' n1 n1 | a% H9 \3 i8 c: Z- l2 [. e
var.vt = VT_EMPTY;
- J$ J7 Y$ d a R0 F3 @4 h* A: N. K# L, O* T/ a7 q! A l2 O
// Call IDispatch::Invoke()
0 r6 j6 L0 ^& x- `! X6 ?0 }! [' i" h5 K
hr = m_pDisp->Invoke(4 o7 ]& ` u4 g- R6 A" f
requestID,( R; b3 X7 S$ m+ `
IID_NULL,# [6 B* H6 a, u5 G" X4 x1 E
LOCALE_SYSTEM_DEFAULT,
) t2 K/ r3 c( w0 t/ Q* U DISPATCH_METHOD,* o8 M' V/ A# Z1 @2 w; u
&dp2,
4 U$ ^" G8 ]0 A! Y0 o* S/ J; m &var,2 }7 W" s$ m5 c' e
&ei,$ C5 j; ^' Z$ {1 o# y5 z
&uiErr);
# B; k, \3 g7 G/ v* g# o& ]5 u
SysFreeString(topicStr);7 H+ Z6 t, |+ }+ i% b) b
SysFreeString(itemStr);
& V+ P1 X, ?1 P( U# u9 @请问该程序是获得extend里面的哪个值?
7 }8 X4 ~; P( W' W+ [5 c6 r4 R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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