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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:
; \! u8 Q5 t* Q; r# P1 @( KName = (WCHAR *) L"Poke";2 ^5 m3 m! f Q
! r0 o) j+ j3 d0 \
hr = m_pDisp->GetIDsOfNames (
) k- D" F" Y# ?/ z; u IID_NULL, // reserved4 F1 n( S; D6 L! i% T
&Name, // Array of names to get IDs for, P/ H" D: l4 O
1, // # of names in the array
' c2 z/ m3 x1 | ^ LOCALE_SYSTEM_DEFAULT, // System locale
+ l5 _ r; U8 l. I0 X &pokeID); // Array of IDs to fill on output
' g6 f5 N1 [ ], g1 t, S$ {; f / L+ w& Q( x: [& ^, K
if (hr) ]9 ^4 B1 k9 l6 g' s
{
0 B) i* p4 Q7 @* c MessageBox ("Get Poke Unsuccessful");
- W8 t+ h D: j! a" Y( N- I. D- r return;. P7 c7 s" a0 _/ ~& j1 a% ?
}
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$ N& i8 v& }, {& h/**************************传递数据给extend**************************************/0 S! J; m+ j/ m6 k2 V! s. b0 o8 Z$ `7 @
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
2 W+ |# i2 D* f5 Y 3 O4 _0 T4 }2 Q, b/ j& G* ~ ^4 Z
valueStr = SysAllocString((WCHAR *) L"1232");
' @) S# {/ L2 q2 |3 t VariantInit(&pokeVariant[0]); , s5 g |5 P! j6 k$ A% G- o
pokeVariant[0].vt = VT_BSTR;
' s$ C+ F9 x. g" M; ~, ]" Z pokeVariant[0].bstrVal = valueStr;& ]+ d; ^9 w4 X% f* I
$ Z% ^( F0 }8 y. u$ s6 c( O itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( d8 }+ ^" W7 W, G1 k7 n
VariantInit(&pokeVariant[1]); + S' W; \8 h% \7 _
pokeVariant[1].vt = VT_BSTR;
# T6 @2 o) \% u" A% j, p pokeVariant[1].bstrVal = itemStr;
- @0 [0 j; J6 o) _# P. i; l. D0 Z* c' F3 R3 l/ ?& M
topicStr = SysAllocString((WCHAR *) L"system");
' K, K/ ~* T. d. Y1 ] VariantInit(&pokeVariant[2]);
8 i8 v. @1 v: m, [ pokeVariant[2].vt = VT_BSTR;
/ Q. c9 `+ X t6 g0 z* _% a pokeVariant[2].bstrVal = topicStr;
5 Q. }, A; g0 Z
6 W" ^: ^8 r- F/ r: }2 t// Set the DISPPARAMS structure that holds the variant.7 v8 V9 r* D# c2 h1 S
% N: Y3 C! M, ^- b( { dp.rgvarg = pokeVariant;4 ]) B5 R& K4 A; J9 ~
dp.cArgs = 3;
- I) C7 }( {. G& q9 E* j dp.rgdispidNamedArgs = NULL;
/ ~$ a7 t' B, } h: ]& ` dp.cNamedArgs = 0;
; T- N; M2 d3 I d5 h
/ a6 e) v" s4 p" p1 X l4 _5 J. T// Call IDispatch::Invoke() T4 i1 V! N- _6 C6 @- F3 T
$ v- J% c1 U% v; C; ^8 |( m5 l/ U( Y
hr = m_pDisp->Invoke(
$ J# X) q* g/ V" j+ ` M pokeID,
7 h2 H8 R- \7 Y" X( G8 N0 Y% ^ IID_NULL,
( Z$ O; W. ~" o a$ | LOCALE_SYSTEM_DEFAULT,# Z$ M7 p, F" n2 I4 j
DISPATCH_METHOD,
9 v( }5 I. `7 N% v3 R; P( V &dp,1 }- G7 }* R3 \9 _! Q# B
NULL,
7 m5 N& J- |6 E9 ] &ei,
- z$ \( y/ _2 P; D &uiErr);# v$ K/ q6 Q X; l; O" A7 V, \
7 \& ^/ Q. v9 F0 Q* b% O" o
SysFreeString(topicStr);9 h; O9 l4 f* n2 ?$ u9 k
SysFreeString(itemStr);- ?( }$ o/ G9 E, d: H7 w# o: b
SysFreeString(valueStr);5 S8 o& f6 f: J N# P# u
Q- u$ R$ e" V! l3 O, L1 L; k
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???
! l" ]# m: |* I( S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????
$ b7 h! V( }- G6 [, @6 g3 Z% R, y; H+ z
/ D, C# C6 u& i) v6 c( }
2.这是request的程序
- ~- m6 ~* `# {9 w }$ u4 {1 h// Request a value from Extend; w! X* |! x5 L! ]- f
//
- i8 O2 Z6 [: }# ]6 u0 j2 M9 V// Initialize the variant that will hold the BSTR. Set the variant's: _2 p# y5 o# F- G) Y4 s, Y
// type flag to indicate the fact that this variant holds a BSTR. Place the1 n2 L$ \5 Y% o; Y1 @
// BSTR into the variant structure.- O+ ]% I8 s; B* q: Y
% j2 o2 g% t8 E+ N4 Q) I- V
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
, g1 }# H$ v( i8 N2 @6 P( q 7 ^1 _& v# a$ Q8 d$ P
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 a! P: W/ W$ K4 i
VariantInit(&requestVariant[0]); ) |6 I8 K3 g( A& i
requestVariant[0].vt = VT_BSTR;
" z' e8 ~: f$ P0 d8 u' e+ s requestVariant[0].bstrVal = itemStr;
+ g v3 U' `9 P% b7 U
+ ?2 f& W/ u G9 O9 J topicStr = SysAllocString((WCHAR *) L"system");
I' B# T, K5 S* B' S2 U VariantInit(&requestVariant[1]); 2 t" F1 s$ I5 L# H8 B9 o
requestVariant[1].vt = VT_BSTR;
6 v# h5 }% o, X4 n2 z; \- z$ [ requestVariant[1].bstrVal = topicStr;
! W5 W& S E+ r6 [% B: g2 O
$ E0 _, o) M% e1 K1 N% N; m// Set the DISPPARAMS structure that holds the variant.
* Y7 R# e+ U0 e: [( l
9 ~6 L6 `; X% F! H) f' N dp2.rgvarg = requestVariant;
4 n9 t. B: h! A dp2.cArgs = 2;2 B, y' w- ^! x% j6 F
dp2.rgdispidNamedArgs = NULL;, I& S9 U/ W0 ]" U/ b2 n
dp2.cNamedArgs = 0;
3 F" T; B: r& Y: H: E) @
5 ~9 G2 h+ K: G8 q var.vt = VT_EMPTY;7 D% R: C9 F! |' h
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// Call IDispatch::Invoke()
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" `7 t4 ?: W1 k0 `# s hr = m_pDisp->Invoke(: |2 A B2 V* c' P5 t2 \
requestID,! J" _& E$ t+ B5 o
IID_NULL,
" o6 K d0 l8 s LOCALE_SYSTEM_DEFAULT,+ S- E" _2 q) {! P& h/ q3 z
DISPATCH_METHOD,
8 i+ v: F# V" G, B7 x &dp2,$ K" u" [5 Q% p6 P7 Q
&var,! V- F. G- t1 a) O& j* s
&ei,2 T! I0 M* {# \5 w. n
&uiErr);$ p& w# p6 F. ~" G
; z! i& E0 O) d9 a
SysFreeString(topicStr);" v( w' Y1 u$ {" K% P+ Z
SysFreeString(itemStr);
* y0 x+ W! D1 F7 r8 K& W5 {( L请问该程序是获得extend里面的哪个值?
2 V, Q/ K) P! B6 J* h4 I0 ?: E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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