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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:
# D" ^8 T, O, `% I. C u9 B1 v/ EName = (WCHAR *) L"Poke";
: ^: @8 |% y. R ) v9 H5 l% \5 }& R# f) o
hr = m_pDisp->GetIDsOfNames (
3 |- v2 H9 l* C% a2 e4 @ IID_NULL, // reserved9 S6 L1 a; h. ]* V
&Name, // Array of names to get IDs for
9 ]$ u$ q$ @5 S 1, // # of names in the array
" b3 K) i' \: ^3 T# a5 C LOCALE_SYSTEM_DEFAULT, // System locale' g5 m2 d( ?% l! j7 E! K8 E) ^
&pokeID); // Array of IDs to fill on output/ y5 t0 J- K& C7 D" N
1 {8 \$ @! b! T
if (hr)
: c6 z1 R3 @0 h; K/ A! r# M {
6 A, o9 s/ T4 d7 q MessageBox ("Get Poke Unsuccessful");
( u: g0 f4 u- B2 f- O" B1 _; \ return;
9 q. {& f" i* c1 P }
[' V8 J! s3 H) [, H! J4 ] m, D; S7 v
/**************************传递数据给extend**************************************/2 s! H0 i9 @0 W; P5 w$ k: }0 t
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 n! U+ o" [2 ^/ V2 \
* P0 \/ Y0 I) {! t valueStr = SysAllocString((WCHAR *) L"1232");& s0 h. ?6 V7 |6 e) V1 d
VariantInit(&pokeVariant[0]);
7 S- R8 q o* m6 j- u% m pokeVariant[0].vt = VT_BSTR;2 T* T6 r' r1 A: E: n$ |. \
pokeVariant[0].bstrVal = valueStr;: t. C8 v" u4 V3 d
/ l( I+ w$ {9 q/ o8 r* d- i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, [( {3 K: @! ~+ E# A5 O$ E4 z
VariantInit(&pokeVariant[1]);
; n9 n+ ^8 M R. }& I pokeVariant[1].vt = VT_BSTR;1 p. Q+ B- x+ r& o0 [
pokeVariant[1].bstrVal = itemStr;% v9 P- \! v( X1 A
3 h, Y6 s+ l0 {& }, }. s2 e1 B# n6 c
topicStr = SysAllocString((WCHAR *) L"system");
! E# u/ X2 }; `$ u+ T VariantInit(&pokeVariant[2]); 9 m, L7 @4 k' H# @) u( x8 m
pokeVariant[2].vt = VT_BSTR;8 b! U K' v3 t, C9 M8 ], a% \
pokeVariant[2].bstrVal = topicStr;
* X+ z' |. Z* o8 j: b" \
1 K+ f# F+ U( V6 A. R2 ]. J// Set the DISPPARAMS structure that holds the variant. E4 y( k5 @+ d. w" o* ?
4 e6 C4 i" _9 P" G6 R dp.rgvarg = pokeVariant;
3 t7 S$ j" `! l( \* U! X5 n8 | dp.cArgs = 3;
2 V+ n/ m) }3 C, u dp.rgdispidNamedArgs = NULL;
: N; b1 y; g4 l6 N dp.cNamedArgs = 0;
/ }. g/ i; g! w- E0 B6 \& }, k/ J. |( L: X' T8 e" @* g' w0 W6 u5 C* R( W
// Call IDispatch::Invoke()
! ?& }% ?( l0 l+ t# v+ `: K+ i0 s e; F6 h
hr = m_pDisp->Invoke(
: N: {/ n- x* C% P# `# h% _( l2 p pokeID,1 a/ c( y+ n. Y5 U+ ?0 e8 l! Y
IID_NULL,* [0 ?! d g: p
LOCALE_SYSTEM_DEFAULT,; c9 i( D% t/ D+ U+ W* t3 [
DISPATCH_METHOD,! ~& g" r& M; Z& A5 r* X7 e1 k2 _ h- p
&dp,6 _/ |" \, o% |' p! R7 U+ y* Z8 q5 t2 `
NULL,% \, z3 V& w0 E. E
&ei,
+ G* Y- y3 R, t! K &uiErr);& g3 k6 z1 f. O, U$ ?
5 [9 ?; [( `! w5 x; t SysFreeString(topicStr);
' B" @$ B& w& Y" P. _ SysFreeString(itemStr);- G/ P& R' K" m! W( S
SysFreeString(valueStr);( j8 Q: Z. Z% i1 g2 ]- D
g) M4 ], y, w; f4 b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???
* A* K K8 W7 Q, ~, @6 K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????; V) R! i% A7 l
; ]1 s& q7 I3 ^# w8 |+ M* `8 G; R: D7 o8 j7 |: C
2.这是request的程序5 ?0 t0 u; y% ?* @) F# ^& ?* Z
// Request a value from Extend
6 w5 j; L' U+ \/ J//
- k: i4 K+ o; G, c6 T0 ^0 C% g// Initialize the variant that will hold the BSTR. Set the variant's
& f, }. W7 B. g1 U: R& ?0 R. u// type flag to indicate the fact that this variant holds a BSTR. Place the
5 B, \1 a. z- H, v/ \2 g// BSTR into the variant structure.) S! J p& ~9 k
2 R2 A1 E) W$ t: v
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
! D, n1 r& D8 c8 Y + N4 G/ f3 A2 y: {
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 {5 |; o: \8 ~& t" {2 E VariantInit(&requestVariant[0]);
. y, h$ @" I7 K5 g( S requestVariant[0].vt = VT_BSTR;
8 z6 q a; H8 Q1 k7 J requestVariant[0].bstrVal = itemStr;
- j$ J- P8 p: t6 ?! [/ E$ T9 a9 k K5 ] \
topicStr = SysAllocString((WCHAR *) L"system");
% m u. C8 n. t' a- e0 B# u% L VariantInit(&requestVariant[1]); ! o y6 \1 c* t. E+ u
requestVariant[1].vt = VT_BSTR;
. H; T$ Q4 F! B8 Y requestVariant[1].bstrVal = topicStr;( w% Y c1 ` j3 P9 w4 [
2 e* P" ^% O' }' x% ?% W0 X// Set the DISPPARAMS structure that holds the variant.. w/ _3 @0 B5 k" {
* X; D& ^% _2 O4 N. l
dp2.rgvarg = requestVariant;/ f7 c* [, Q$ ^4 ]
dp2.cArgs = 2;/ W' | ^6 v n$ n/ y- }7 C- r
dp2.rgdispidNamedArgs = NULL;7 d/ `9 B+ F" \. w: E
dp2.cNamedArgs = 0;
7 a6 W/ f( ?5 K3 K |# R" q6 q" E3 Q, P' ]8 x- Q6 x( n
var.vt = VT_EMPTY; T5 Q* I. R+ r
: _( A. B6 [0 F# T' J// Call IDispatch::Invoke()
1 C9 ?! o5 @4 B! f* q% f+ w/ p5 U+ n/ \2 ^7 k: ?
hr = m_pDisp->Invoke(9 w) Z) ~) M$ w' k- h
requestID,
1 Q I# w0 K! e. G% \ X! H, g7 D IID_NULL,
) Z3 |, `2 B$ I+ n% [% Q, M- S LOCALE_SYSTEM_DEFAULT,6 J( U+ p" t7 X6 S+ v, _, K0 P
DISPATCH_METHOD,
0 i& I8 X5 K. R' `/ E0 T9 C& W% I &dp2,
( p+ _$ z' c* D" y s. B &var,
3 b3 q% j* F" v% p- _ &ei,
/ G% ?& ^2 f* V D &uiErr);/ L8 Y* G J& r. Q; B1 C4 O( Q; x
4 j8 f. c4 `3 o% C+ p) t( D4 @
SysFreeString(topicStr); ^0 A* P- X& u& O
SysFreeString(itemStr);& t5 }- B8 ~* Y, q
请问该程序是获得extend里面的哪个值?+ K& q) b/ ~3 H) p
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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