|
|
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:. }* |$ e1 H3 m/ U D* m
Name = (WCHAR *) L"Poke";( Z: x g. O; w9 V9 |
. O) R: Z3 w" w K) h$ I; n: p
hr = m_pDisp->GetIDsOfNames (
7 |8 O1 a) X+ F IID_NULL, // reserved
5 |3 h6 a$ R7 |4 m" B &Name, // Array of names to get IDs for
0 N ?# I$ F; n# Z0 g: O 1, // # of names in the array
0 \) H) A0 V8 f. `' [! I5 v% M LOCALE_SYSTEM_DEFAULT, // System locale3 w ]" H; h9 ? ?; L; j
&pokeID); // Array of IDs to fill on output
7 S# R K& T8 b
' z( q1 u" Q" C if (hr)
4 j P! x4 b1 j$ ~ {
! d* y& F: C+ B, J. r h$ l* T# i* p MessageBox ("Get Poke Unsuccessful");0 x9 X1 f' j1 z6 m1 y9 L7 R
return;
* W+ a% W7 d! X' p3 O }# x) z. u" S" l# X7 h5 n( X+ b% W
0 D( J5 A0 R& L- O
/**************************传递数据给extend**************************************/
- y' G3 E7 R, O pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ J( H5 g: @4 ` O: d2 m* B* k7 o
1 S1 o+ d p1 z8 v# o
valueStr = SysAllocString((WCHAR *) L"1232");& P* x" k% t$ z
VariantInit(&pokeVariant[0]);
. b$ b) `: g6 c5 k+ D3 x* Q( J) ^ pokeVariant[0].vt = VT_BSTR;6 y0 @& |) u6 I. N
pokeVariant[0].bstrVal = valueStr;
E4 M* E' s. v- k3 s3 @7 G/ g9 X; J0 A W0 G1 @1 K7 \
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 r2 I5 s+ g, R2 `' E& T
VariantInit(&pokeVariant[1]); 4 ~ o( t m. H& `* T* C/ t
pokeVariant[1].vt = VT_BSTR;
/ w' ~& B3 d7 [# p9 q- J. G pokeVariant[1].bstrVal = itemStr;
1 \. H/ L" y) h4 E& e) C% L9 V( Z2 S/ l0 |
topicStr = SysAllocString((WCHAR *) L"system");
$ m7 R, {5 d' `3 Y) v; i$ |" D VariantInit(&pokeVariant[2]);
. B8 K- I! N; c6 {8 C* I8 f pokeVariant[2].vt = VT_BSTR;
7 {8 z7 | G" P( n2 Z5 t; E' I* \ pokeVariant[2].bstrVal = topicStr;
5 J3 @! H$ }; g
& ~/ g+ L8 H$ j1 ^# E2 P// Set the DISPPARAMS structure that holds the variant.% M, \& {% X* V1 |5 v
/ o9 r( X4 P$ N/ n+ U6 @
dp.rgvarg = pokeVariant;
* E4 T- U7 B! z7 e8 s1 \. N, D dp.cArgs = 3;
6 S2 y( I) y F9 p. a: T dp.rgdispidNamedArgs = NULL;' g* K0 z) ~. H- C5 W; i
dp.cNamedArgs = 0;1 A4 T+ A* \3 c
" E2 {% i: k' n+ q% v
// Call IDispatch::Invoke()% i$ W5 J4 L: {+ E1 y$ t
& ], D! n1 d* A' p" E; X hr = m_pDisp->Invoke(
' t! |. }( e' c$ o8 p+ w# |- R0 x" L pokeID,) z8 l8 p1 z1 c% e. d& m
IID_NULL,& ^+ Q$ L( F/ ~7 q1 E6 f1 m
LOCALE_SYSTEM_DEFAULT,# P I% V$ s+ \6 B u+ N
DISPATCH_METHOD,
. c) s" _2 M$ d. |5 i! n &dp,5 p) _. V! a+ z( O) y/ o0 z8 L
NULL,
; z7 i7 R5 s. N &ei,( t, p" a- T( s% Q7 N: e
&uiErr);6 m& V+ i3 H: R e
" R3 I" ?! \" h8 g
SysFreeString(topicStr);6 t5 F1 P4 _6 W" S8 l& D5 @# t
SysFreeString(itemStr);
/ x% L8 ]' Y z5 q9 Y$ d" b5 r1 K SysFreeString(valueStr);. ]) t* v9 @1 i7 m. N; U3 p- A
8 }6 X( ~' g2 ^6 V$ v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???
7 f/ N* W7 ~/ ]$ J2 |3 o, H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????
0 W. s- V, {- Z; `
: `. a* C) b' p2 ?2 _1 ^4 Q& L
2.这是request的程序
; ^- \4 \4 r$ l6 M# r) B// Request a value from Extend
/ m4 v! i' a0 Y3 j2 W7 r+ O& c//
; F1 {/ _; W3 c, c, x7 W// Initialize the variant that will hold the BSTR. Set the variant's
( P6 F& K9 B: |) Y// type flag to indicate the fact that this variant holds a BSTR. Place the
; W0 Y% p3 a' J$ s* Q. p// BSTR into the variant structure.
" C- ~6 j- b9 q( ]- d3 a- w- [
- p2 v, b8 b$ k/ D1 h' y6 r3 Z3 i requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& T; F t: ?4 K' y9 f3 R* Y
& q) J0 O3 Y0 r: l% [- `
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 v4 e, h2 `# Z% A! { VariantInit(&requestVariant[0]);
# C# Q: g% y* \) S/ H2 O% l requestVariant[0].vt = VT_BSTR;
: m" }: A+ E1 n. o h" g requestVariant[0].bstrVal = itemStr;
0 e3 W) R* E# ^2 a9 H x; [' z# p- y9 i/ k* l
topicStr = SysAllocString((WCHAR *) L"system");. n2 [, b# ]) C7 S# Z7 T# K( n
VariantInit(&requestVariant[1]); * @+ ~- e/ L7 N7 ]! P
requestVariant[1].vt = VT_BSTR;7 M2 u9 y% t7 _+ G
requestVariant[1].bstrVal = topicStr;
9 Z3 l6 L1 w% c5 C$ Z4 \# ]5 k( c
: Y: S+ `, b$ H// Set the DISPPARAMS structure that holds the variant.. W* Q( w7 R' }5 m. a5 X( J
1 j3 `1 S- o( _+ b5 `2 H) t dp2.rgvarg = requestVariant;- r- {; g! P( z3 U
dp2.cArgs = 2;' r0 F4 d+ I1 y/ A1 @. u4 W. c
dp2.rgdispidNamedArgs = NULL;
; h5 z6 Q; P- e; t) v dp2.cNamedArgs = 0;0 y8 F; w- D: X- W3 t8 Y3 v4 ^
0 v* E+ W$ Q. R
var.vt = VT_EMPTY;0 }* J* Y$ l7 E( l- }
6 Q: g/ E+ q6 o5 n& g% b% l// Call IDispatch::Invoke()3 i4 B+ F/ D3 w" [* E
/ h; r A. Z( `) g* b7 ~& W8 v hr = m_pDisp->Invoke(' K) m9 r6 `& q" _
requestID,, s- z* ?! i! H4 E% ]( R) P
IID_NULL,. }* N1 X9 \5 n! {! h
LOCALE_SYSTEM_DEFAULT,% J3 ^" E4 R0 v7 P8 N
DISPATCH_METHOD,
* o M# d& d! z! F: n- e4 D &dp2,8 _3 I+ U/ N" l0 H+ t) c
&var,
" ?; ]; n6 M* W; J$ @ &ei,, y3 e2 j9 ?% B- r# A
&uiErr);, W) o! e0 L) c- K. c
: u/ ^, r2 G; g% V/ X6 s SysFreeString(topicStr);
: m; [; ]; s& o SysFreeString(itemStr);, U6 A4 |* D/ ?' _' r* D2 f
请问该程序是获得extend里面的哪个值?+ X2 b4 z) D; \5 i
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???? |
|