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:; v3 |7 A& p& y! S7 W
Name = (WCHAR *) L"Poke";5 [: L5 |8 [* P+ k
+ D& a3 W4 G0 i hr = m_pDisp->GetIDsOfNames (
7 j/ c- P! \6 H, p i IID_NULL, // reserved9 Q9 q, z5 H' W( P* s# w0 }
&Name, // Array of names to get IDs for4 J1 g& u1 m, \# s0 X' p1 v1 \2 }
1, // # of names in the array2 i- T) x8 [$ `7 \ L2 x( }+ O" G
LOCALE_SYSTEM_DEFAULT, // System locale& R: M" n9 Z/ F0 G4 p G, A
&pokeID); // Array of IDs to fill on output4 p. v% ?. h ?* s* G# E
" b. I3 R7 ?" r8 {5 d! R0 E4 { if (hr)2 O0 v u4 Z! e3 J$ S f( M2 d# t
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MessageBox ("Get Poke Unsuccessful");
& e( j8 X; f! J$ ^( T& S4 \ return;! S! ^9 z! Z! t2 E8 ]
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5 d7 P! a( D% O/ z /**************************传递数据给extend**************************************/9 Q9 ^! m2 G+ a9 `# g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: b5 s/ T2 r; l
9 W8 p' p2 `- v$ b7 r) Y( t+ P valueStr = SysAllocString((WCHAR *) L"1232");
0 T& W- l ^ `! u# M VariantInit(&pokeVariant[0]);
, [ k! M+ z- g+ }9 E pokeVariant[0].vt = VT_BSTR;" h1 B3 o; f! s; t' l* ^6 R
pokeVariant[0].bstrVal = valueStr;' ?, Y) x9 F* O& h) `9 U0 k7 X
8 Q% a: _" b3 Z' _2 N W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# |* T: ^ x4 L
VariantInit(&pokeVariant[1]);
; s$ {! X8 u+ {+ i( f. H pokeVariant[1].vt = VT_BSTR;9 t# u6 O: q0 O) R8 u! B
pokeVariant[1].bstrVal = itemStr;& i' a# a' ^$ Z6 Q8 W. m5 P
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topicStr = SysAllocString((WCHAR *) L"system");+ W! e2 m5 R1 B4 _ c/ H& `
VariantInit(&pokeVariant[2]); + c0 ?# A& c; \: A
pokeVariant[2].vt = VT_BSTR;
F% |4 n' Q. U pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ k; u! `8 o& z; ?% k5 _
! y% q0 [/ e# g0 O% j% O dp.rgvarg = pokeVariant;
; _; s* K( Q$ I; C$ z# @" t7 ? dp.cArgs = 3;
" ~3 R, p4 L( t% ~, D dp.rgdispidNamedArgs = NULL;
+ Q' A9 j9 i: K& x' c dp.cNamedArgs = 0;
- c) @7 i8 \! E; ]0 \
# l* s- c9 E. J. J5 V( a% w // Call IDispatch::Invoke()& K ^0 I; K) {& K
- i: z) \8 e1 d8 |
hr = m_pDisp->Invoke(% u6 I6 l/ ?0 X2 @' n
pokeID,
/ [( } A$ H; Z9 | IID_NULL,
/ ~" ^/ _& o7 Q' ?" ]( n- L ^* ] LOCALE_SYSTEM_DEFAULT,) I5 I0 [! T. c
DISPATCH_METHOD,
. f) z+ }" Y: W+ |: m% d8 j! s- T. D &dp,8 I4 S$ n7 P* V7 F* C+ K6 w
NULL,
" L7 R/ E4 ^0 p6 i$ b- F6 f &ei,$ C) Q8 B6 K. H: y' a
&uiErr);
2 |. b, ]: Y( c/ `) E Z
0 }$ [$ i" {9 {% x- t+ G SysFreeString(topicStr);1 d+ P$ L6 ~# Z" l- i S
SysFreeString(itemStr);! C2 g! a% L# J2 y& o- t
SysFreeString(valueStr);: ^, c2 w& Q0 t( _+ |6 z9 ~. r
6 B- w# d: v( g4 p3 I 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???
# D6 {! p% I3 j& A+ y' z. j$ a' x) i0 ] 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????/ ^$ E: g3 A# c8 J7 ?( [: Q
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2.这是request的程序+ t6 Y1 A7 G* W: F g
// Request a value from Extend
; [7 x) e+ Z8 @- Z+ I' z$ s$ } //
@8 | I! G9 I5 P, p( @( L // Initialize the variant that will hold the BSTR. Set the variant's; `9 _+ w& N# S3 u8 E
// type flag to indicate the fact that this variant holds a BSTR. Place the
; H1 X! a/ S+ n$ N0 D+ ] ^: N9 s3 `4 n // BSTR into the variant structure.. j3 a) `6 u5 f' r" }8 i* H! d8 d. C
9 g7 d+ g% l( B* c/ ^; Q
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" L" P6 W3 h: C8 E4 ~9 w
8 {8 C- P3 i; O* u5 f) Q K& F
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, T6 X& o3 [1 N3 ?' ]- |' o' m
VariantInit(&requestVariant[0]); , V- O2 s4 F6 l7 L% \
requestVariant[0].vt = VT_BSTR;- V! y( J7 U6 r$ y- n2 [! X8 E5 F
requestVariant[0].bstrVal = itemStr; ~2 L# O* o9 \0 S+ N
1 ]. z0 V# r* j0 s1 q2 O
topicStr = SysAllocString((WCHAR *) L"system");1 t8 I% H. k# s) h& @# Q! T+ g
VariantInit(&requestVariant[1]); 3 y2 r- T. o6 D' h0 I; _9 i ^$ Q
requestVariant[1].vt = VT_BSTR;7 X/ L% ]% m9 G: J4 W) o
requestVariant[1].bstrVal = topicStr;3 c* E3 |& v6 o: g; `( E5 T
; q; h8 f# n8 d4 E5 `" } // Set the DISPPARAMS structure that holds the variant.) b7 V5 W: \1 W: z1 P! W: H2 j2 q
0 s. N/ [! Z* j* W dp2.rgvarg = requestVariant;
U* i- T7 {" b! S7 r dp2.cArgs = 2;
! s' {0 h% X$ }, u; O7 O* `1 n dp2.rgdispidNamedArgs = NULL;- I+ n, Q! ]4 y2 i$ ?/ t, L; ^
dp2.cNamedArgs = 0;- n3 n5 [% H0 U7 c+ z0 L: ]
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
& F% z, Y* w, ]5 _3 n
$ @ D: e$ X& b: z p9 F8 I hr = m_pDisp->Invoke(
. q" I q4 j8 ]9 } G: @* ] requestID,
* e# l* Y+ [8 A: _/ I; D# i IID_NULL,/ r% E/ X) |% @' n8 W' C/ v" U
LOCALE_SYSTEM_DEFAULT,
8 n% E, L) R& Q0 ? DISPATCH_METHOD,) p! _, T' H4 L6 b: x
&dp2,4 }2 F9 Y9 G" A$ r8 |% x8 z5 M
&var,
) w: p1 J% d0 m' N3 H/ s &ei, T) B3 v: n- P+ I& M
&uiErr);/ e1 c7 d! G* I' [; M8 D0 c0 v# F
+ x; D! f5 s. j1 Q c1 Z2 E
SysFreeString(topicStr);
9 \6 ?; _; G$ ?* Y1 x3 w; X% M SysFreeString(itemStr);, b8 r/ X5 Q9 h3 K
请问该程序是获得extend里面的哪个值?
9 d& \1 U+ g+ g+ z# R2 G0 N K 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????
我来回答