|
|
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:
$ p3 ~( B" t* O9 s7 s" X2 y- GName = (WCHAR *) L"Poke";
2 y$ ^/ K2 O* v$ i/ ^
2 d/ _+ m5 O2 a/ X hr = m_pDisp->GetIDsOfNames (7 L3 s2 w, M+ y& g3 T
IID_NULL, // reserved) f5 H5 D' X2 b5 g% a" d
&Name, // Array of names to get IDs for
3 k7 `/ z# z+ t9 e# b 1, // # of names in the array; {% L, V0 j$ U, U6 L* H1 q. i
LOCALE_SYSTEM_DEFAULT, // System locale; }- L% J$ J8 f. e* x8 M) `# `
&pokeID); // Array of IDs to fill on output
. q% g+ ~/ {. N7 @" T9 Q. {/ h$ {& i
& I8 \ Q2 i$ T) F7 Z if (hr)
3 `- s' K/ ^3 H d: A/ q4 | {
' P4 \5 Y) W h) q2 A6 z MessageBox ("Get Poke Unsuccessful");
2 b4 z* c R5 Z return;
. U n6 u6 R6 b0 q/ x9 I6 V, i( a }0 {" {. }$ h+ U; b$ h0 A3 |
7 z+ R4 Z1 r; c( n4 F/**************************传递数据给extend**************************************/5 w' Q! S' ]# Y3 j8 ~; S2 A5 ^6 W2 C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( g/ H, ~2 M, m3 i: {+ \8 k* g# U9 n
$ l! h" g/ t3 j, ~" F" _
valueStr = SysAllocString((WCHAR *) L"1232");
- @' q* P; r+ X: @8 Q2 s* Y VariantInit(&pokeVariant[0]); + L, q8 n( \4 U* S3 `& N8 s
pokeVariant[0].vt = VT_BSTR;
! E) ]/ [- M8 |+ t pokeVariant[0].bstrVal = valueStr;
- Z8 N7 u/ F, {' U9 ]; Q1 x( N3 H& }5 S9 ~6 ?4 @0 h
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 u4 U# V$ l( G) n VariantInit(&pokeVariant[1]); / B7 n6 A# B- c3 `. v: r
pokeVariant[1].vt = VT_BSTR;
" _$ d+ @7 i/ f5 }, U pokeVariant[1].bstrVal = itemStr;
' N" M! @& x1 L; k/ i; s" N5 Q& ^' v2 |
topicStr = SysAllocString((WCHAR *) L"system");
. m4 w+ N y) D( M VariantInit(&pokeVariant[2]);
4 Z) B; @% P) X) G0 ]. y" u pokeVariant[2].vt = VT_BSTR;
. P8 _8 x, j7 t' n. | pokeVariant[2].bstrVal = topicStr;/ B. x3 U& ?1 i
3 C( Q5 g3 D; T4 M# f; r
// Set the DISPPARAMS structure that holds the variant.3 j: }7 D5 M5 f( O( }! {
3 q: H; V9 K' Q# f" x! {
dp.rgvarg = pokeVariant;
T6 z( V' r5 Q: c dp.cArgs = 3;
+ R; ^" [* m+ Y/ E/ X. M% ]" ~ dp.rgdispidNamedArgs = NULL;
7 Q8 Q. h5 l7 F& b dp.cNamedArgs = 0;4 \( ]+ T( }* {9 @
) M% a3 m- _! W
// Call IDispatch::Invoke() a8 a M1 V0 x! ?) m$ s) i( q3 a
& ~; X. B" V* I; B$ l4 r
hr = m_pDisp->Invoke(
* T" }: O+ z( u0 g# a* G; o% Q pokeID,' D* @2 z3 H. A. M
IID_NULL,# n* j' s9 u4 Q* [ Z7 G, o
LOCALE_SYSTEM_DEFAULT,
4 Q. M( o1 X" g& k, _/ B DISPATCH_METHOD,; c- p, x4 @5 U: B
&dp,
( z2 v' J- G4 x/ z$ P1 c NULL,+ l0 }5 `* H( L) G
&ei,
/ e0 V9 @/ s" y( O1 i. I &uiErr);. R$ ? z+ t- V1 U
, D w$ v9 ^% G. ?
SysFreeString(topicStr);
. w6 U B- I0 O8 z4 Q5 G/ g6 ^+ X SysFreeString(itemStr);. p: N% r6 M1 i3 i: b
SysFreeString(valueStr);
+ z6 @+ ], T% Y+ O& e( n
) O8 O; w* z) n9 R. o' P. d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???# @! ?/ H! l* L' W3 W5 C6 Z
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????
+ |9 ]( O' Y3 ^" \$ d/ B/ M9 M7 M. D! s. x+ G( }
( | Q/ d% N* ~7 i. W6 c
2.这是request的程序; _- [: t* B& q, b# a! F
// Request a value from Extend
$ l. x0 c- n/ G7 a//
4 d y% _0 p c9 ]; d2 q# T3 B// Initialize the variant that will hold the BSTR. Set the variant's# X0 m4 W: x7 s& K
// type flag to indicate the fact that this variant holds a BSTR. Place the
9 g3 |# u+ d6 k& ~) y# I// BSTR into the variant structure.
$ @0 y7 D2 @4 @2 n4 N+ z
" P4 d5 V. L# n requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ ~1 @1 R5 Z( ^6 U
# ]0 N0 Z- |5 y. a, X) k. ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 S2 }+ q8 o* r8 D) M- `
VariantInit(&requestVariant[0]); Y: O" I' ^+ {2 j3 O0 F
requestVariant[0].vt = VT_BSTR;5 I0 L% V7 t& C: k
requestVariant[0].bstrVal = itemStr;1 {. Y4 `. r8 @8 E+ o$ {
- @7 r8 k; ^5 }; u4 l, l
topicStr = SysAllocString((WCHAR *) L"system");' c* A- `0 q4 f6 ~3 W
VariantInit(&requestVariant[1]);
; j7 G3 ]; ~. T3 |- U0 Q3 { requestVariant[1].vt = VT_BSTR;
) I `, I; g6 W# t; ` E requestVariant[1].bstrVal = topicStr;
$ X [" |) y$ } Q
, w: u# ~8 d/ M. H* q% i' \// Set the DISPPARAMS structure that holds the variant.
* g# s0 {0 l; @9 _
$ Q. E; [% M3 H, ]8 h( J, K3 L dp2.rgvarg = requestVariant;2 `' e; `& v# s& \) ^
dp2.cArgs = 2;
; \& _) @% l7 j3 D" g f dp2.rgdispidNamedArgs = NULL;# C- d- ]4 @% w& r
dp2.cNamedArgs = 0;
* {" n8 u: Y% T) ^. I X% t# ` E! m+ s
var.vt = VT_EMPTY;
5 y$ N9 Z" @+ ^+ B# H8 w% E- W& I( J9 K- y6 V
// Call IDispatch::Invoke()
, `1 r3 D6 J2 K* p/ u: [5 F0 f5 e; a5 i" u; B
hr = m_pDisp->Invoke(
w9 ?. J% d7 O5 V' ^+ e+ Z5 r! Z requestID,0 T( o- V; [5 Q" Z" S+ ~4 R. I
IID_NULL,' Q4 S6 [% Z9 d* Q7 X5 g" V& S7 w u7 |
LOCALE_SYSTEM_DEFAULT,0 n3 ~2 y! C7 z' X
DISPATCH_METHOD,! j* @, t& X, i$ O, o- c
&dp2,/ T2 Q, K; A5 y: b0 W$ m! ?- n
&var,8 w/ D; S7 ~: L
&ei,5 ?1 z- N6 o( ~" b+ t
&uiErr);
* D% T/ i6 J: b7 c5 L' h1 i+ _1 }0 z
9 }, a$ A$ t5 t# {8 r! K3 C SysFreeString(topicStr);1 V6 p0 ~! ~3 ? W- {9 G
SysFreeString(itemStr);& m- S7 P: I) ?3 d
请问该程序是获得extend里面的哪个值?8 h$ R0 `3 b7 _& s
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???? |
|