|
|
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:( ~7 \5 [0 _6 D! g, T
Name = (WCHAR *) L"Poke";7 H7 a: G6 d: x8 Q
* j& O; q1 k R* m
hr = m_pDisp->GetIDsOfNames (
2 a. ~: L, z, f1 C4 [' F8 u0 b3 ~) w IID_NULL, // reserved
: h' c+ q( A( Y/ W. @ &Name, // Array of names to get IDs for% s9 Z- O8 C$ b& m' @2 u" r5 y2 M
1, // # of names in the array
% c. Z8 h& x T/ v6 M, x; w0 U LOCALE_SYSTEM_DEFAULT, // System locale
5 E+ z) t' P0 N# s8 _( ?) @5 K &pokeID); // Array of IDs to fill on output
6 X! G: w, b- T+ e2 e A( w T' G1 K - W; t: [+ a3 a1 c) l
if (hr)9 x. N* [. k9 j$ v; I3 H
{
* s- l. U" h' Y. y" c) q' \ MessageBox ("Get Poke Unsuccessful");0 F: Z9 m7 d! ]
return; Y) d7 {) a7 k; u/ z
}) C B2 I+ s0 R* X; @
: T* z4 `# t2 a2 ?
/**************************传递数据给extend**************************************/9 M: J3 q8 x. A3 s- k0 Z/ ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 ? j' G8 u+ O
W X$ w1 m5 l+ x7 ]: S
valueStr = SysAllocString((WCHAR *) L"1232");
2 Y; T& n. f, k* C7 D- |$ o VariantInit(&pokeVariant[0]);
; k) F+ ]+ c* i4 ]3 d8 R pokeVariant[0].vt = VT_BSTR;- ?7 h0 f- T/ r0 R% [
pokeVariant[0].bstrVal = valueStr;
* @6 i+ {5 p7 o3 M) p: v* C& R) w" @' I( U! W; w
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# T3 q/ k6 U5 Y/ G) s, @( A; o2 i; T VariantInit(&pokeVariant[1]);
`5 l$ V' w' K( ]; b! Y* ^ pokeVariant[1].vt = VT_BSTR;: _' H7 S# |+ T
pokeVariant[1].bstrVal = itemStr;
6 m& ]& d4 ~; t2 o0 {
8 @) P3 W+ ]$ t7 \1 _ topicStr = SysAllocString((WCHAR *) L"system");
* a' U: A0 d; o# Y$ Z VariantInit(&pokeVariant[2]);
: B ^3 V! j& P0 h pokeVariant[2].vt = VT_BSTR;4 `8 j. [4 t+ y0 m8 x
pokeVariant[2].bstrVal = topicStr;0 b# q9 {0 S5 f& b/ H' D- c1 E2 B
1 k8 m( P7 p0 h6 P3 G
// Set the DISPPARAMS structure that holds the variant.& i z$ W- E. c* ]6 }
" t+ R Y! n( f. D ~6 q+ Y% e1 @3 i
dp.rgvarg = pokeVariant;
9 N* F3 M# R/ X; {% P8 ~4 Z dp.cArgs = 3;
& K1 K6 O% Z9 B: U1 `/ r dp.rgdispidNamedArgs = NULL;
6 `$ I7 T; O- b9 Z1 |! F- ` dp.cNamedArgs = 0;' }% m( [0 @' N+ R1 ~# I- X; i
, q6 l4 n( C0 {7 w9 O// Call IDispatch::Invoke()
! a$ V W, [- ^7 x
! f" v' p; `' q2 f2 Y4 `# D hr = m_pDisp->Invoke(; K3 |* }8 c2 j% F% T
pokeID,
7 r1 Y3 i4 h' H0 K IID_NULL,
* j" M2 s' U/ e! @2 W) R LOCALE_SYSTEM_DEFAULT,
- G$ ?$ Q k" q DISPATCH_METHOD,
5 @$ @- b+ y. x& v( a1 y &dp,( w' h9 Q; M2 O
NULL,
) s3 `& P, C x &ei,
0 e& u8 C' M0 _8 s2 ?% L &uiErr);4 d5 s5 f1 u0 u0 R+ z; L$ s1 }
- P, U$ v4 Z3 Z' t% n! I SysFreeString(topicStr);8 A/ p2 ]/ m0 v4 }' p
SysFreeString(itemStr);# o7 t6 i$ J# @8 c0 M( F$ V+ \
SysFreeString(valueStr);
' Q4 M8 x7 {. Z; n! Q/ x
9 I3 g$ n6 b$ \( A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???, C4 r6 D6 y E
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????
5 F h! m G/ r3 h# }) U" y
6 U. F4 O0 ^6 k, p# k' w" h0 d# m1 p9 E% Q' }' \; e- a+ ?7 ^
2.这是request的程序
, y: L; U- r4 e9 L+ e// Request a value from Extend; I! l% a1 o& J: Y& R; H% q' U" e
//: q2 t9 K- w/ c1 Z) }" `
// Initialize the variant that will hold the BSTR. Set the variant's
0 |7 k# ]5 d: Q2 m9 j. A' ?// type flag to indicate the fact that this variant holds a BSTR. Place the
: S3 Y# l6 F6 f' ?3 q" k// BSTR into the variant structure.
& e# G- }: R5 b7 h- X* U# V9 w& Y
, A. j: U* D5 L. B: P9 J. r& S" S requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 v, F5 j' ?& c' N
4 W* t0 q3 P9 W
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( P2 ^$ s$ E+ z/ ^5 L7 H" ^4 S$ K' s VariantInit(&requestVariant[0]);
- e6 N1 z$ R8 w# K+ y8 ]/ h, R requestVariant[0].vt = VT_BSTR;
' r' H4 V$ j- a3 [ requestVariant[0].bstrVal = itemStr;+ \0 F- H h( S. E
3 I- L; ~: z2 t2 F" `* [; l! ?/ h" @! k topicStr = SysAllocString((WCHAR *) L"system");
9 f5 j2 [! p1 `5 c VariantInit(&requestVariant[1]); # N( ?% v( d' I7 ~
requestVariant[1].vt = VT_BSTR;
8 p7 C! h; z' T! A( l0 c5 F0 I requestVariant[1].bstrVal = topicStr;
/ ^* n# k+ i! f0 Y" ^
# P* T. A" Z1 e. X// Set the DISPPARAMS structure that holds the variant.4 }) r5 y+ S. Y% H/ }
9 t: j" S+ U) U0 V, z( R$ h/ Z# V7 T dp2.rgvarg = requestVariant;; S2 u( @; n9 m
dp2.cArgs = 2;
* [% P9 m5 g2 I1 r9 X6 @. c dp2.rgdispidNamedArgs = NULL;
$ f! z: r# U; l6 N3 { dp2.cNamedArgs = 0;$ I/ I1 C6 ~3 f- s0 W* |* B4 u
z4 [* [+ ~5 F. S. T1 C var.vt = VT_EMPTY;
: D( i- n0 z' p' c$ f" T: i0 P( R/ C( M, c5 y0 H( \
// Call IDispatch::Invoke()1 _2 k# Z0 \, w( f: p
4 F) Y2 ^/ e( n' y2 k hr = m_pDisp->Invoke(
e' H4 U8 m( C' O requestID,
4 m5 s5 Q( i: F9 [' A( Q9 X/ a IID_NULL,
( S4 x; C6 d" \; g LOCALE_SYSTEM_DEFAULT,
9 Y) x" x2 h$ J' }. q DISPATCH_METHOD,* r# y* t- K6 V. s% r y
&dp2,) d+ s+ J' X, W* @) H: ^% N
&var,
2 @% A; [! [/ \3 I* i &ei,* A7 q9 \0 C3 P0 n
&uiErr);
$ F+ B& B( F- I& A# ?! K8 z4 ~; R8 U3 v+ w
SysFreeString(topicStr);* D7 `$ K- X# n3 f }* n% S
SysFreeString(itemStr);
4 E4 z6 }% J( u. `0 D9 _, e* g请问该程序是获得extend里面的哪个值?; A& c9 Y* b8 X. n/ |
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???? |
|