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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:5 K. x3 Q" P* R$ F! D" M9 g
Name = (WCHAR *) L"Poke";2 B0 L L1 ~+ x+ h9 J6 K
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hr = m_pDisp->GetIDsOfNames (
* r* B+ N5 E+ t% f6 R- Q& i4 ^ IID_NULL, // reserved
( f! L; `) J8 v/ s- D) X; A' O &Name, // Array of names to get IDs for1 H3 V3 q c) o5 ^
1, // # of names in the array1 X3 K: m, a6 o" D# E
LOCALE_SYSTEM_DEFAULT, // System locale
2 t- b2 E3 S3 G, V$ d) {8 ]( u0 i &pokeID); // Array of IDs to fill on output
3 c' f; i, j1 W2 H6 ^
# E) w( G# O# ] ? if (hr)
, I5 t$ M3 p2 s# K8 N. Y {1 W; j- Q8 l- N
MessageBox ("Get Poke Unsuccessful");
; y+ D( y* t5 }; s2 b6 } return;
0 P8 F, u( o$ |/ c% D7 m }
- f3 I2 t; T5 W4 Z% B
+ _' E. D" l+ ^2 d; s/**************************传递数据给extend**************************************/2 v6 A7 L2 Y4 W3 v& A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 R5 S$ Y" _ i# X
% ?* U7 d' o3 I/ l& x
valueStr = SysAllocString((WCHAR *) L"1232");" }5 C0 S' k$ w$ L+ h" F
VariantInit(&pokeVariant[0]);
* c* I8 Y/ o% y6 J4 p' E3 _ pokeVariant[0].vt = VT_BSTR;
' Y- I Z% W: O* E* j: B pokeVariant[0].bstrVal = valueStr;/ @' e1 P) W. N* |' t% \8 l* ^
# p7 V% q9 p' M, Z* w$ b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ u0 t/ z6 u4 N c
VariantInit(&pokeVariant[1]); ! m3 J. v r( p m* Y6 q* y: C3 [
pokeVariant[1].vt = VT_BSTR;
% M$ W( @, H6 ~ pokeVariant[1].bstrVal = itemStr;
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3 F4 S& ?5 J1 l ` topicStr = SysAllocString((WCHAR *) L"system");
) S* Q0 Y' M9 B: w3 ]1 W VariantInit(&pokeVariant[2]); % p; E( [' Y4 X* j1 z
pokeVariant[2].vt = VT_BSTR;
7 t/ q+ m- {$ N5 V" q pokeVariant[2].bstrVal = topicStr;
% ~, ]- w4 J. S5 R# b0 |4 R2 R& e; n* E+ U. f
// Set the DISPPARAMS structure that holds the variant./ w5 Y# e; y2 G1 ~; N6 \
}+ }% f+ ~* s9 {( }- ^4 ^1 J dp.rgvarg = pokeVariant;' X7 }0 L: b L
dp.cArgs = 3;
h7 P, Y1 j0 l1 i, I dp.rgdispidNamedArgs = NULL;- J7 s2 S4 k: D- f$ Q9 Y- H
dp.cNamedArgs = 0;
y" w! n' L# |% Y1 z0 n" X7 |1 y0 K9 S2 p' S
// Call IDispatch::Invoke(), D8 c; M+ ~( S8 K
+ q) A9 c9 s+ D: H, a# W! M hr = m_pDisp->Invoke(
: V. _& d; c2 n' K5 q | pokeID,
6 O( d" Z" n8 @7 @8 [ IID_NULL,/ H* y; w: k5 H7 y: V( b$ P z
LOCALE_SYSTEM_DEFAULT,, R% @+ r7 j3 }3 B
DISPATCH_METHOD,
/ M* n" o8 V/ W6 j! [ &dp,
2 ?- r+ _, \4 b; m NULL,# y0 \6 s- Y. d/ U+ V5 X) C9 J5 v
&ei,6 [, F1 g$ v5 ?1 U3 _( n5 M7 ?
&uiErr);
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3 ~; g' D& e! p ? SysFreeString(topicStr);
. x7 {2 j: _: J% Q SysFreeString(itemStr);9 D( E6 x% q( a/ X, M; d
SysFreeString(valueStr);
8 l0 W+ U9 R8 u# D7 f$ E2 s3 _2 ]; S) g
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???* W2 M* n7 @ [/ Y) R
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????# z2 P3 s9 }+ P8 p. Z
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- F3 i0 T, a, G( z/ \+ _& `2.这是request的程序
8 D( Q+ Q( K8 b( o) j/ w// Request a value from Extend U& m+ W: J) o' T. @
// x. q9 t* z% _4 J- U$ P
// Initialize the variant that will hold the BSTR. Set the variant's
7 B0 h) d$ Y$ W/ h8 u" _7 r- N// type flag to indicate the fact that this variant holds a BSTR. Place the
. j' W) y/ F3 O// BSTR into the variant structure.
" ~1 a8 B' d& U
& s' {+ Y1 W4 B% R2 c requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% l" F7 Z; w" G7 y% V
VariantInit(&requestVariant[0]);
5 _$ S7 V( o2 `7 g' U6 k O- z requestVariant[0].vt = VT_BSTR;$ @' H. x1 Y1 M' B5 [4 V
requestVariant[0].bstrVal = itemStr;
. E _4 E& R) _7 @" ]9 z/ A# m; c8 A
topicStr = SysAllocString((WCHAR *) L"system");; M5 \2 U4 z& ?' ]
VariantInit(&requestVariant[1]); ) h+ p9 e" L$ y- N% e7 t. P
requestVariant[1].vt = VT_BSTR;
, S1 ]6 K( v/ v; a3 V3 r requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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" R9 ]' a5 n2 k& H. y# a9 X8 m( H5 y! A dp2.rgvarg = requestVariant;
2 u! _- i+ _4 E4 P- q4 g6 X dp2.cArgs = 2;
$ r+ ]% A: O4 Y7 @ dp2.rgdispidNamedArgs = NULL;
5 U; l* n/ @3 w, ^( p dp2.cNamedArgs = 0;
& F! K# \$ ~; x5 B# _3 j/ G; z+ [: v) G1 I* d
var.vt = VT_EMPTY;* J: Q# k. \; X( I
' V0 C0 z$ A% e; a// Call IDispatch::Invoke()
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% x0 {* H# |6 d/ R6 T0 n' L hr = m_pDisp->Invoke(& W# O& P) Q2 ^2 A, w; r% {# a! C# b
requestID,
. l" Z4 S3 s; D: C8 I' N5 b IID_NULL,
, ]2 j" @" A$ Y1 O$ O8 A# q3 J LOCALE_SYSTEM_DEFAULT,
7 `% M, H( X/ P DISPATCH_METHOD,
# p. s7 i# v- p &dp2,6 Y; j6 ^& H6 R* A6 {. L9 q
&var,
7 U) y/ A! p& I3 F6 j9 z" e &ei,
3 U. c, i, a; N3 T% z8 f+ E &uiErr);( R- G# L: @" ]. F3 a1 f4 d
& I) U$ i0 h1 G SysFreeString(topicStr);( I+ e# K3 l* l$ ?& X, {+ b1 Z
SysFreeString(itemStr);
& [* y6 F' G9 z+ R请问该程序是获得extend里面的哪个值?
6 C+ u5 z" @+ C$ r1 ]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???? |
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