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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:- \) g! ?* x" ^* R) Z; g) }' ^% F/ {" o
Name = (WCHAR *) L"Poke";9 g; V, x, |5 r
2 P+ m8 s1 m n+ j; G5 \ hr = m_pDisp->GetIDsOfNames (% `, k2 @% ~1 E# j
IID_NULL, // reserved
( u+ M1 `8 d1 i& \# }7 Q+ ~ &Name, // Array of names to get IDs for
/ q5 Y, @0 r6 J4 n/ J, ~& m 1, // # of names in the array
" q6 y% A' _$ a LOCALE_SYSTEM_DEFAULT, // System locale
; v$ q' O) A- w4 K- i &pokeID); // Array of IDs to fill on output$ u' }4 z% n8 j7 q
+ _* k9 B5 m0 H2 o) F8 @) U u) } if (hr)
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MessageBox ("Get Poke Unsuccessful");
" ]9 }7 `7 z1 Y q% U return;
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$ V, _2 n" w. Q/ \8 {- a0 c" k/**************************传递数据给extend**************************************/
: `- a8 `2 A+ T- F, e; f pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) l& V$ f! T" Y( N; \
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valueStr = SysAllocString((WCHAR *) L"1232");! Y' f; R* e8 J* E
VariantInit(&pokeVariant[0]); - B, r0 b1 e* ]$ K9 c
pokeVariant[0].vt = VT_BSTR;/ ]/ I; q+ b- S
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- x# _8 T K7 g
VariantInit(&pokeVariant[1]); 0 [, f! j4 \; h( X, G
pokeVariant[1].vt = VT_BSTR;, \% D7 T+ n+ m" ^3 f. P% E
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
" y5 T( y1 g/ D, E4 d- T. ~+ O VariantInit(&pokeVariant[2]); 1 s7 ^; M$ ~/ N5 E
pokeVariant[2].vt = VT_BSTR;9 y0 i- f2 a: I- y
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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7 R, w) a7 _/ w6 p dp.rgvarg = pokeVariant;0 @+ g. ^( q' V
dp.cArgs = 3;
~7 a m7 ?# J1 v6 _ dp.rgdispidNamedArgs = NULL;
6 W% |" b: x u" \/ S dp.cNamedArgs = 0;
& I! F8 H/ \4 _
' p8 s: P/ ~. H& t- e3 K// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
) Z+ b2 ^* E" ]6 B- A pokeID,
% ]* k/ E4 Q1 u: Y0 y+ y IID_NULL,
9 i# t" {& K3 G1 q& ?6 ?( c' z5 H LOCALE_SYSTEM_DEFAULT,
+ A( K$ M$ {, I2 g DISPATCH_METHOD,
- D g/ L2 E+ q. W- z% `* E% W5 h &dp,
: z- ^$ l% S" x. B! F, }1 B NULL,
5 R8 V! @& F" k6 C &ei,
9 K) n. `9 e K, }0 l0 M &uiErr);
% P( c. n9 A2 A; Y4 {; Y
9 G. K4 t8 k: P- @; T) _+ _ SysFreeString(topicStr);
7 n9 A9 H8 c |2 j) b# e+ p SysFreeString(itemStr);
" o' }2 E4 g6 O0 r S SysFreeString(valueStr);
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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???- y, t( r; R/ E6 Z
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????
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2.这是request的程序
4 g( v# ?5 e9 ~5 y2 f5 M// Request a value from Extend
+ I5 @4 w- R/ K: H//
6 _/ c2 ]+ a6 o/ ^// Initialize the variant that will hold the BSTR. Set the variant's( z6 M6 T# U2 s* T" Y. a7 Y# b
// type flag to indicate the fact that this variant holds a BSTR. Place the
5 U0 K8 h& H' x$ I3 c$ Z8 u3 J' o% q// BSTR into the variant structure.! N5 \4 U/ l2 G4 j( U
& F; T$ a) D2 v4 G9 a7 N requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) B4 [4 d0 l; g
% O2 X5 t0 H4 v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: M3 O; y2 N. T$ v8 l4 y. v
VariantInit(&requestVariant[0]); . |7 `% B2 k% F9 @' R3 S
requestVariant[0].vt = VT_BSTR;( O# w% v2 }8 O8 R; u9 k' Y' O" e
requestVariant[0].bstrVal = itemStr;
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' }8 U2 X |1 x; J2 g topicStr = SysAllocString((WCHAR *) L"system");! z, j( o- f3 X7 }0 L7 s
VariantInit(&requestVariant[1]); " p8 x2 t. E" k$ f' d& V
requestVariant[1].vt = VT_BSTR;
. ]2 o& B6 ~" ?# V; r requestVariant[1].bstrVal = topicStr;8 O3 E' E' o2 P. l
7 L" w. n4 x" v6 B// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;: `+ H- V, Z7 P( I. }
dp2.cArgs = 2;: H7 P1 O6 v( Z, `, }
dp2.rgdispidNamedArgs = NULL;0 V; k1 Y3 E7 g- O5 ?* L2 J
dp2.cNamedArgs = 0;! f9 s, Z/ A* d$ g. j# j: w9 R- v
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var.vt = VT_EMPTY;" H O/ \5 [% U: ]% G* a
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// Call IDispatch::Invoke(): a" R+ T, z# q( }: Y
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hr = m_pDisp->Invoke(7 r# ]# k5 Z6 k8 ~* ]) i
requestID,2 e6 S d: s0 p8 s/ }, o2 Y9 {
IID_NULL,
# K0 @; R- h/ e+ T: J T LOCALE_SYSTEM_DEFAULT,
8 Z9 u% v2 P- b- F% q DISPATCH_METHOD,
9 \ t" W8 b6 x. \' Q7 l, ` &dp2,
2 E7 c4 H: [' ] &var,3 b+ T2 j. |' m" K! n$ c
&ei,
" B$ A$ j" q j" V &uiErr);
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6 G# ~% j+ V) U" t SysFreeString(topicStr);
# {! }( [9 d0 H/ o9 G' [* u! U- ? SysFreeString(itemStr);
9 `( n t% |2 S请问该程序是获得extend里面的哪个值?5 z$ k' ~/ T- o& ^3 i
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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