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: ) F+ y( f! T! t; EName = (WCHAR *) L"Poke"; 5 j3 _' G: _3 s. E& Y . K2 v1 |6 b$ q' c) t6 s: F& R hr = m_pDisp->GetIDsOfNames (' g1 H4 u! _/ e3 E7 c W% b( k
IID_NULL, // reserved . ]/ e9 H! A, {* `3 r3 f2 K &Name, // Array of names to get IDs for ) Y# d9 E" Y8 g7 P. X 1, // # of names in the array2 W0 _0 l" d5 L U3 ` r
LOCALE_SYSTEM_DEFAULT, // System locale 1 @* y0 Y5 K" N4 ~" m4 L &pokeID); // Array of IDs to fill on output : ~) B) V; m$ u" ]! w0 ?' h - i- ^ [5 d5 Y- i if (hr) ! Y4 Z" x# z& D! a {9 p4 i0 V& U" R& S- p# S* O% m
MessageBox ("Get Poke Unsuccessful");2 i2 Y! u6 V+ }) J
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/**************************传递数据给extend**************************************/9 i( ` g8 [( A6 f
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); ' j% l- R4 f% H d5 n5 C 9 {$ n9 S. s" S
valueStr = SysAllocString((WCHAR *) L"1232"); 7 T3 L- @! x ], E# Y7 O2 L! \ VariantInit(&pokeVariant[0]); % l; X4 S0 l5 Q% i2 P' U) \ pokeVariant[0].vt = VT_BSTR; 7 t6 s4 M2 K* R& A' t pokeVariant[0].bstrVal = valueStr;9 ?3 o8 C# N% G' L3 d9 o
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ; I% w2 E( R0 j( U- y VariantInit(&pokeVariant[1]); % e4 l9 l, W5 D+ L# j
pokeVariant[1].vt = VT_BSTR; + c) F6 A( T% _* w pokeVariant[1].bstrVal = itemStr;5 [1 U1 D! \7 N
! B* S; K/ O# L' ^. X topicStr = SysAllocString((WCHAR *) L"system");5 c' [, c: N0 }* h
VariantInit(&pokeVariant[2]); - b; c: T2 x* ?3 z$ P" {+ Y pokeVariant[2].vt = VT_BSTR; : E5 a8 C1 E# }) g- [ pokeVariant[2].bstrVal = topicStr;( E+ L5 J8 j, c% v
0 N* G2 U3 g! Y1 A// Set the DISPPARAMS structure that holds the variant.5 t. d$ |& I$ Y3 n
, B9 k1 z. R2 A8 o H- F2 N" K dp.rgvarg = pokeVariant;) \ b4 v# ]# H: a: R* Y
dp.cArgs = 3; - e9 S: D* n+ @. D dp.rgdispidNamedArgs = NULL; `# A% P" s2 f. o4 f
dp.cNamedArgs = 0; 2 o z6 l" {3 A5 Q. U3 ^' N 5 s O' ]3 _( q3 K1 J, N// Call IDispatch::Invoke() 4 O0 l" K$ y' S r / C. F& u, ^9 E& B1 Z# A# p hr = m_pDisp->Invoke( D. Z) ^8 d# |4 v- Y, T3 y2 }7 ~ pokeID,! u1 M5 S4 w' j& P6 ?( Y3 }* D$ Q
IID_NULL, , q$ G3 O2 m; Y! ]1 _ LOCALE_SYSTEM_DEFAULT, ) k4 e8 q" E. y' w/ \9 m DISPATCH_METHOD, 7 l i+ A- k5 k &dp,. V4 L& P" C# H i: K. U9 l4 ~/ x
NULL," E* x( N* ^; O$ Y) M, t
&ei,% |9 q9 k3 k6 Q
&uiErr);7 B; s( Z8 K+ I
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SysFreeString(topicStr); 8 K, f. ?4 X' W6 X( J2 T SysFreeString(itemStr); 8 _8 g* q$ b0 T. U SysFreeString(valueStr);6 b" |7 D9 w/ T1 ?$ d9 Z2 k
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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??? 2 i% f% A6 F1 e; I0 y& @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????- P- h8 R) M5 v$ f! Q/ V( [9 r* P+ I
( K/ o1 R$ y3 T6 Z1 Y0 K8 R + z% i' ]: F D% Z, s2.这是request的程序 ; m- u/ Z4 f4 ?& R: i' @4 Y// Request a value from Extend - i$ f# }: J; O( F- J' D//* O# e; M/ d4 ?$ V
// Initialize the variant that will hold the BSTR. Set the variant's7 S8 I! w: H- I1 }8 u7 K
// type flag to indicate the fact that this variant holds a BSTR. Place the Z9 I# V7 p" X, k" I
// BSTR into the variant structure. 7 p' Q' Z+ c3 y, j' r0 }+ N5 N& k0 X( k! l7 P
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);' Q1 l8 P3 B! s: \, U
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 w! ]9 j$ x4 A9 [
VariantInit(&requestVariant[0]); . Y2 y1 R; o# r3 |7 e- C, A requestVariant[0].vt = VT_BSTR; 7 _- N" `% E# [- ]2 x p requestVariant[0].bstrVal = itemStr;/ U& R3 O( l# }0 ^" D, K