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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:
4 _# B1 v2 V2 `. m. k9 GName = (WCHAR *) L"Poke";1 C. U1 J- x: B* a. V; j1 g$ I0 A
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hr = m_pDisp->GetIDsOfNames (% \, J+ w* \2 i( S! W' e1 b8 n
IID_NULL, // reserved2 ?% J d, T! e; e
&Name, // Array of names to get IDs for
7 r% v3 S% b4 d3 P, w 1, // # of names in the array) l5 i1 j5 V3 Y3 o8 R
LOCALE_SYSTEM_DEFAULT, // System locale
2 U$ H0 C/ z. s# }% N% q# l &pokeID); // Array of IDs to fill on output
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if (hr)
9 K2 a% a* X, f5 w. s5 p" ?7 n& } {
( r% x. u% L6 W6 z$ T MessageBox ("Get Poke Unsuccessful");3 C6 f8 m# X6 N2 {( R% f
return;. [ t4 x& O& I9 V6 P. ?
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/**************************传递数据给extend**************************************/; S' Z1 F+ Y+ X/ S6 ?* l
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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' H; C6 L. P I/ T& k8 }9 z valueStr = SysAllocString((WCHAR *) L"1232");
* z2 W \- L2 y VariantInit(&pokeVariant[0]);
f( S% ]' }; [/ V5 C; O pokeVariant[0].vt = VT_BSTR;
4 M/ a$ `% v7 S pokeVariant[0].bstrVal = valueStr;
5 |/ h# I/ J% U3 y( m$ }
& `4 W7 q9 \8 l6 b- y1 q9 o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& B! A' j- c1 T% {) S
VariantInit(&pokeVariant[1]);
. B' I5 Q* t& b: `# O pokeVariant[1].vt = VT_BSTR;; q* S9 q" n- _) P" L8 V
pokeVariant[1].bstrVal = itemStr;+ v& y4 D1 ~% E7 ?6 e' t
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topicStr = SysAllocString((WCHAR *) L"system");
& e3 x) d8 `# e. a+ N1 H' X& l VariantInit(&pokeVariant[2]); 3 N- f& h% B: s) I" ^. ]
pokeVariant[2].vt = VT_BSTR;
' A2 p, A1 w4 q pokeVariant[2].bstrVal = topicStr;
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$ Y5 C: d* C% M0 m% a. a+ X+ b// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
1 O" x4 j( E2 V, I, ] dp.cArgs = 3;( s) v) M3 `6 [2 z* \9 V' O) ]
dp.rgdispidNamedArgs = NULL;
( K, o" b1 e# X3 ` dp.cNamedArgs = 0;; s: e$ E3 R1 a/ D2 n$ T
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
" p' z7 I0 \5 T pokeID,
4 o: j: [! x6 G% s IID_NULL,3 u7 s; _% Q7 [
LOCALE_SYSTEM_DEFAULT,* B. c/ e9 \% T9 n
DISPATCH_METHOD,
7 N: G. C, c2 V- Y( H; v! E &dp,7 v K3 v/ A4 J5 M' g v$ b
NULL,: Y4 ~ ~7 F% D7 K- t
&ei,9 [+ E: r, x* [7 e8 V& \% ~
&uiErr);8 h# Y. f: v& W% }/ R
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SysFreeString(topicStr);$ S7 U" Y8 d( M
SysFreeString(itemStr);$ |7 v9 y p" d5 x6 M# C) J. i
SysFreeString(valueStr);" k( ~0 a+ m- e7 h7 q1 f2 L3 y
1 U! y* J) Y' z1 _% s. l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???" n9 q# [; ?1 |! T2 a" @6 N3 u
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
: d% d; H) J( g+ }# ]4 f; w3 D// Request a value from Extend& ?' A! |: N6 ]' K0 X# [% {
//, L, S( [% y3 r1 ]$ @2 K5 I$ N
// Initialize the variant that will hold the BSTR. Set the variant's6 w* ] G/ ?, D% ?7 @
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 b+ T+ n: l6 @// BSTR into the variant structure.* B* X5 J* [ J+ ~# e* b$ h
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& B- B$ R* s( _" j. w+ F VariantInit(&requestVariant[0]); ' [1 y9 j+ x d8 m' b
requestVariant[0].vt = VT_BSTR;7 C) ]4 \( x$ L& u- q( [8 U
requestVariant[0].bstrVal = itemStr;
- A- J& Z* l; _3 I6 p( }
6 F/ P( i C! n topicStr = SysAllocString((WCHAR *) L"system");
9 i7 {% P6 r" e9 X" x) B VariantInit(&requestVariant[1]);
* k) `1 G2 W& z: h" K; s requestVariant[1].vt = VT_BSTR;
; [' N+ w3 d) S( N, s! b/ p requestVariant[1].bstrVal = topicStr;
5 Q3 q0 E1 W; Q
: t' `( f6 Y. \7 ~// Set the DISPPARAMS structure that holds the variant.$ L1 G* B' l- a4 N( L0 B i) y5 `
+ L5 b8 b0 @' V dp2.rgvarg = requestVariant;" p0 _9 s0 G) J. p
dp2.cArgs = 2;. W5 a/ p3 f5 g) S% d; Z7 U
dp2.rgdispidNamedArgs = NULL;3 p. g" v, W! s
dp2.cNamedArgs = 0;
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3 J' J1 E( v# D, \ Z var.vt = VT_EMPTY; L0 @1 c1 @3 r- p
+ ?/ N: T+ ?8 }8 N; G5 f// Call IDispatch::Invoke()6 y3 R; g5 P; Q# G
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hr = m_pDisp->Invoke(8 u; P' [8 f. I* n$ |& I9 T8 A
requestID,3 b1 u9 ^: [6 a& ~
IID_NULL,
& l# W+ D0 y9 T4 T0 O* a LOCALE_SYSTEM_DEFAULT,
$ J, w5 `. C7 q! L1 N9 T DISPATCH_METHOD,
& ~( g2 ~7 [1 x- @* g! M &dp2, z! x. S$ O) J- D9 W
&var,# z4 o: h: E- L9 c1 P
&ei, G: m- z' f5 C: F3 j* H, l; x
&uiErr);
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SysFreeString(topicStr);
- _8 p* o6 h' V) e: V' C SysFreeString(itemStr);
0 c/ {6 Q& p! i/ Y9 |请问该程序是获得extend里面的哪个值?
; y% ]7 o* |5 S t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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