|
|
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:
* ^2 V4 f% `. x$ p3 }6 S' hName = (WCHAR *) L"Poke";# R6 X' x$ {# Z
0 ~5 R+ r: ^4 q9 H5 l
hr = m_pDisp->GetIDsOfNames (: s! Q+ C4 \( x: k
IID_NULL, // reserved
& m' [: t8 |% U0 d& P7 _0 v8 x, Q, P &Name, // Array of names to get IDs for
" _" \. G: U r8 D7 r% |: `- _, A: s 1, // # of names in the array2 B/ D1 i1 \8 M# s
LOCALE_SYSTEM_DEFAULT, // System locale
, s/ d3 B# Q& n1 ~7 _/ W &pokeID); // Array of IDs to fill on output
+ d4 M2 O, Z6 G/ t/ I) A# r
1 W) h& n! N7 c/ r, Q2 i if (hr)' {: s6 P3 V$ n
{( j* |6 P3 Z! r$ H# J- t' I
MessageBox ("Get Poke Unsuccessful");8 E, v" J* L8 v L0 l1 j; [1 v
return;
% E ?) \$ r8 |2 E }' M8 {# ~2 V$ E6 T3 u# f/ e; R
7 F; e9 E$ ], M/**************************传递数据给extend**************************************/, b* N( i. w6 A7 y5 \3 N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
3 ?' }0 v0 Q. [3 Z: { ~# l% Z
% J+ _- W( |" {* F* Y! g$ F valueStr = SysAllocString((WCHAR *) L"1232");
0 v: c, v" [4 g p2 d* F# x7 B2 K VariantInit(&pokeVariant[0]);
& `, y/ B7 Y) t pokeVariant[0].vt = VT_BSTR;
4 G# u+ P6 g- N* z' ]5 d( L0 t pokeVariant[0].bstrVal = valueStr;
! R e$ V& j: E& g# H+ ~# \
6 D% i2 s& R& ~" ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- l0 P8 X- U/ c+ k
VariantInit(&pokeVariant[1]); $ p$ ?, |. o( v2 U
pokeVariant[1].vt = VT_BSTR;
% `) K3 K* m% V6 Y pokeVariant[1].bstrVal = itemStr;
9 _! b* Y {* d, K( Q) r+ V0 z* I% \ a3 n9 |3 G/ O+ r1 W$ C
topicStr = SysAllocString((WCHAR *) L"system");9 a! N8 o" U( J. {7 d/ e8 T7 ~
VariantInit(&pokeVariant[2]);
8 [' l8 Q/ k7 `) N+ H pokeVariant[2].vt = VT_BSTR;
* { ?# c' y, i# T" M) d, j pokeVariant[2].bstrVal = topicStr;
; \) t( q8 n+ Y; s) `6 v
5 m6 h# V r& l; ^. B0 d0 n3 o// Set the DISPPARAMS structure that holds the variant.8 c% x2 M6 F, _8 D
6 s x) I, m7 u# s dp.rgvarg = pokeVariant;+ h- v5 ^! I- p
dp.cArgs = 3;* k' D- G# b+ {5 H6 m
dp.rgdispidNamedArgs = NULL;
8 B* c2 G5 ~6 K. m dp.cNamedArgs = 0;
: j/ S. Z1 d! O5 ]) d% c# r& K* @% f, d% B
// Call IDispatch::Invoke()
7 o( s/ [0 N* O* x) ^
5 j- u1 P; K& \ hr = m_pDisp->Invoke(
6 D* ~6 i$ o1 ^3 Y) N7 G" V2 G pokeID,
9 q4 S2 i/ _" r4 Y! |9 R IID_NULL,$ C& |2 e1 {5 p$ e# k. v
LOCALE_SYSTEM_DEFAULT,
+ E. e8 i& a1 N e8 M# E/ P9 h7 Z DISPATCH_METHOD,* L! }, W A+ ]7 K8 t9 L
&dp,% }7 o$ |4 V4 f6 E5 M
NULL,
1 S; X5 _! T# ^3 Y. u+ m &ei,6 S2 O0 |9 A0 p1 s x# o9 l
&uiErr);
6 h9 u" V& H( ?' V/ c3 B
; F) q7 K7 l* b) ^( Y' C SysFreeString(topicStr);& }6 |8 }2 y+ P8 `& n* [$ y* T
SysFreeString(itemStr);
' L2 A& C. P' O: I4 W SysFreeString(valueStr);
E1 F, y1 D. D9 u) `/ c
) `3 E7 Q# } l5 {0 l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???8 W2 {" }# F3 I$ F6 Q: z) ^4 C; H m
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/ e( z8 m% _; B* `2 Y
6 V1 N2 k9 H; t9 H3 G3 a' Q3 m8 y3 G
2.这是request的程序' V0 x6 a, H' s8 j" n$ ?; h& b' W
// Request a value from Extend2 _0 w" K4 N4 y! f, W) ]* B/ {
//1 r7 R$ x3 l! O& c! w
// Initialize the variant that will hold the BSTR. Set the variant's# K; z2 e/ G! ~, }
// type flag to indicate the fact that this variant holds a BSTR. Place the, V1 }0 ?; j2 y# g
// BSTR into the variant structure.
G, n5 Q c; Y' T1 d, v0 r8 G* z" s+ m7 E1 l4 I0 s% |
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ v% ^ p. v, `" w9 ~* b
% y, H) O* f' p$ x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" Y8 d% O" \4 A* ]) t+ ~, j' \# o VariantInit(&requestVariant[0]);
. P5 {$ e0 T3 E/ r. }: u requestVariant[0].vt = VT_BSTR;
5 M; R+ N$ w( _& D requestVariant[0].bstrVal = itemStr;
: w3 G! c" ?; h% a6 C+ L7 x3 f& U/ z5 U
topicStr = SysAllocString((WCHAR *) L"system");$ q( h, V- t; p9 ?$ c
VariantInit(&requestVariant[1]);
# `( N7 T, h4 E9 u" U$ f& p3 x requestVariant[1].vt = VT_BSTR;
* I6 Q/ O1 G4 H" H; ^- F7 s) m requestVariant[1].bstrVal = topicStr; j% p; e' l) k3 X
' ~$ @, r7 G/ c4 _* J6 E. }
// Set the DISPPARAMS structure that holds the variant.
+ ?" N+ S: V5 r4 k
- N: \& W% n/ l, d. A. V dp2.rgvarg = requestVariant;5 S0 i2 N7 y2 }6 O
dp2.cArgs = 2;9 S' C5 r6 {; c# ^. a
dp2.rgdispidNamedArgs = NULL;
# u5 Y" D' G' {% k! E( _# d; d dp2.cNamedArgs = 0;
( [+ n5 |- i8 p/ F% M* |1 X1 @$ b1 [) @6 w0 A. E
var.vt = VT_EMPTY;
+ r) [1 `/ z1 q O4 h. N6 z. l9 O
) J1 A4 U; G& o( _5 S4 x$ y. M// Call IDispatch::Invoke()9 |3 v8 w, @3 s3 y+ R9 o1 i3 e
( |, W5 H7 z5 M7 Q) H hr = m_pDisp->Invoke(
0 e0 z6 S3 u- v8 y requestID,
! C# `) L7 i7 y; a2 T6 g, ~: t IID_NULL,7 {8 U0 O5 k/ U/ e! l# e
LOCALE_SYSTEM_DEFAULT,) [- S4 ], m# P b' R: `- I* _
DISPATCH_METHOD,
5 I T6 d+ j. G &dp2,4 B+ K9 q/ T$ {7 G3 T. n( \6 O" n
&var,) a) l0 h8 T: k& D" G; W
&ei,
% \# L4 r7 Z+ m c6 i &uiErr);
* H7 L3 g: Z1 f1 C7 |& }0 v& J2 I+ }) m2 t# |
SysFreeString(topicStr);0 v2 U7 ~# c3 q- x
SysFreeString(itemStr);
5 s7 ~( F2 M5 x2 ^$ t请问该程序是获得extend里面的哪个值?
0 U1 u* }8 N% h8 l: A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???? |
|