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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:2 b" l! A6 U4 A w
Name = (WCHAR *) L"Poke";% R7 `* r3 Z4 r- g) ~# |
1 } d: X. S/ J& g* D hr = m_pDisp->GetIDsOfNames (2 O' ]+ [ \) y& |* D9 ~; O
IID_NULL, // reserved
) Z. H; q+ w( A0 N' m) Q: L2 | &Name, // Array of names to get IDs for- L0 g) M, ^, n0 R2 ?1 d# ~
1, // # of names in the array8 i' e2 S1 H; o6 B9 p
LOCALE_SYSTEM_DEFAULT, // System locale8 s. T/ H5 k! z, I* P1 ~
&pokeID); // Array of IDs to fill on output
; C6 e9 {+ j7 \0 u; C3 N- d
2 s- s6 i$ V9 S' L' ]' Z2 [ if (hr)
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MessageBox ("Get Poke Unsuccessful");. n, i, h. `7 H, S3 Z, Q
return;
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/**************************传递数据给extend**************************************/! X @6 r) l& s) |7 a& p4 i1 w; }+ n
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; B" c6 C4 b9 W! e
8 Q+ Y9 x) l: X valueStr = SysAllocString((WCHAR *) L"1232");
/ Y1 e5 y" ]) x6 R' S0 h4 f VariantInit(&pokeVariant[0]); ; Y; v; b g+ t2 h& T) l. p
pokeVariant[0].vt = VT_BSTR;! p( Z3 y& c6 X% ?
pokeVariant[0].bstrVal = valueStr;+ `$ ~ ] j+ z7 H/ R
% g" t! u( x; x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( I, P' p* i7 N8 g. U% } VariantInit(&pokeVariant[1]);
7 w) n# W# k" Q pokeVariant[1].vt = VT_BSTR;$ Q E; D, l. q0 _/ |8 @( x( t: f
pokeVariant[1].bstrVal = itemStr;
% Z7 n: q! S$ ^/ T! h
' P, Y& O S+ C+ ^+ A topicStr = SysAllocString((WCHAR *) L"system");+ S* S! P% g: T3 Z+ [
VariantInit(&pokeVariant[2]);
. D( j% A( f2 ?2 i' \/ u pokeVariant[2].vt = VT_BSTR;
# e$ o) T8 e# X$ }/ v& N" F, O pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
7 s) v& {3 Q+ m/ n dp.cArgs = 3;( k1 d" C) r7 g* K! m+ d8 \' P
dp.rgdispidNamedArgs = NULL;% A2 M; M+ P- k; }
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke(): \ X6 x4 {9 X1 h4 d- R1 z
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hr = m_pDisp->Invoke(
. z y1 g* m: d' \5 {1 R pokeID,, b' R N9 U) a2 {3 a
IID_NULL," r* U. C+ a) a" X2 q Y0 `2 V
LOCALE_SYSTEM_DEFAULT,
( z; W& F4 m' B1 M7 k3 v6 ^ DISPATCH_METHOD,* R% y9 R( {5 @, Z& K2 G
&dp,4 ] M9 P8 J3 v1 M
NULL,
' @3 e3 L& \/ L6 ~- K9 U* R. ]/ x &ei,
$ z* e# K5 v: X. H# K' } &uiErr);
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SysFreeString(topicStr);" b }9 p7 Q# _1 C
SysFreeString(itemStr);
4 m% I3 ?/ M$ c/ u6 k0 \; R SysFreeString(valueStr);# v/ |- T$ d- i+ r r
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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???
/ l/ W4 k! ]1 g# |5 \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????& Y- P3 `- p* P. ?' T+ ^
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# Q3 K9 p0 h' `$ m2.这是request的程序- b- Y+ J' B; A7 d1 S
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's7 [* n7 c4 L( `- U
// type flag to indicate the fact that this variant holds a BSTR. Place the
; ^/ o- f" ^7 R+ X I// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 V+ U* @: r7 `3 j3 _' a
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. r: I! `2 P) t
VariantInit(&requestVariant[0]); : z$ p! d: Z L2 f
requestVariant[0].vt = VT_BSTR; ]6 ?1 K6 j# E1 r. L) t
requestVariant[0].bstrVal = itemStr;
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$ T: W$ n0 A: |+ L: H/ @! s1 q topicStr = SysAllocString((WCHAR *) L"system");
, M _+ }3 v' j. {3 ^; p0 A$ ?0 b VariantInit(&requestVariant[1]); ! S1 ^6 p: B$ W
requestVariant[1].vt = VT_BSTR;" I, i% K0 ~ y! z7 A5 {$ l6 ^
requestVariant[1].bstrVal = topicStr;
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- J1 o T: z' j// Set the DISPPARAMS structure that holds the variant.
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, K9 k$ y, Q" R# Q7 p$ |3 K dp2.rgvarg = requestVariant;
+ ^' L( y6 `2 Z; \6 i. c7 n dp2.cArgs = 2;; v* l* ^4 K, k! u1 f6 R
dp2.rgdispidNamedArgs = NULL;2 U2 Z5 c/ O; W/ a6 ]! F8 ?
dp2.cNamedArgs = 0;5 t: ^( n2 N5 e* z2 u. q
2 n7 @4 [2 h; i! R* |/ H# r var.vt = VT_EMPTY;/ F! V$ d/ @8 o! y. c7 W
[0 u5 X# @+ z m& t* X// Call IDispatch::Invoke(). a. t' h$ g" q4 u
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hr = m_pDisp->Invoke(5 X" V* Q' B" M8 P, ^. ~: {! d
requestID,
1 J( v. K4 V- ^+ j$ D# A9 i IID_NULL,9 y" g0 `# M: `5 u
LOCALE_SYSTEM_DEFAULT,
9 x) b) L, K, w) C3 _ DISPATCH_METHOD,
) W1 g4 [7 m5 [# k% O &dp2,, n" Q( [1 {" ^& k ?
&var,6 l9 B& {! E% D6 A4 u: T6 }
&ei,
2 n; f* x$ i1 q &uiErr);- O$ w, X9 e. V# h: K8 V# l
7 [3 W$ z/ y4 F% G" h
SysFreeString(topicStr);& s% B6 j3 x: t1 ~( i
SysFreeString(itemStr);6 ]! Y8 F% \' P3 x. e
请问该程序是获得extend里面的哪个值?" G7 C, q& x1 [) d8 d; Z
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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