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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:
5 w* J! Y7 g; c9 t. X% mName = (WCHAR *) L"Poke";% r7 N& a. C( f& x- p
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hr = m_pDisp->GetIDsOfNames (; A) x2 H0 N: a4 e4 k
IID_NULL, // reserved
8 ~5 h( k) K% `# ^; B5 p% ]% A4 e &Name, // Array of names to get IDs for, K ^! |5 A0 |+ s0 b
1, // # of names in the array
5 i8 C. K5 N! t" n- u z/ i LOCALE_SYSTEM_DEFAULT, // System locale( M% }" } n9 B8 P4 n+ |# W
&pokeID); // Array of IDs to fill on output
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8 `2 P% C8 R' J$ c if (hr)2 t3 k1 I0 \6 s
{
/ E7 t+ z: n" W+ r* _" y MessageBox ("Get Poke Unsuccessful");
6 }' M+ a, `9 a% U1 |7 } return;5 u; ]- o/ v, O3 a
}
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( h% ]" t; _7 f# A( d1 C0 W/**************************传递数据给extend**************************************/7 n7 s9 r. z/ n$ m! e0 |& s# n
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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N0 `! r1 p- D4 N valueStr = SysAllocString((WCHAR *) L"1232");. @% c+ x" Y: q6 U& ~, a% X
VariantInit(&pokeVariant[0]);
, N& X( {, w4 L I; y. S+ ? pokeVariant[0].vt = VT_BSTR;
7 N+ ^/ y$ ?) D pokeVariant[0].bstrVal = valueStr;+ B9 X$ z2 n R/ \: R i. }
" x( x% z8 d/ Q( e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: K" x' a$ n |# K% ?0 ~" U
VariantInit(&pokeVariant[1]);
# s( [7 m2 H3 M1 _/ |- K9 f4 P6 S pokeVariant[1].vt = VT_BSTR;
' W) P5 H5 `% [" D/ k9 b pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
0 H I+ o% V- y p" H! @ VariantInit(&pokeVariant[2]); q3 d6 n7 _: P; O2 J
pokeVariant[2].vt = VT_BSTR;# X! @9 r: E$ O% s( }4 O
pokeVariant[2].bstrVal = topicStr;
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" C' z1 K0 b9 x3 \- K// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;6 L0 S; c" r1 t
dp.cArgs = 3;
) ?5 y* B1 ]' D+ u" K dp.rgdispidNamedArgs = NULL;
; G( ^6 ]; w. J; |& e dp.cNamedArgs = 0;, i# @' o# L2 S; c
; p6 b5 e4 [% M0 A
// Call IDispatch::Invoke()! s9 q* S/ Y5 j2 u
% u4 O1 f& H* i hr = m_pDisp->Invoke(
" m7 t! e+ H- ?8 X pokeID,% f$ Y' Z6 i) |1 e
IID_NULL,1 P2 u \4 A5 A6 Y) m5 x
LOCALE_SYSTEM_DEFAULT,: o; y5 y6 b1 b d
DISPATCH_METHOD,
+ E0 g0 H' G d$ J& H &dp,' V$ W2 @% S% b3 O
NULL,8 t. O. W- V. y! o! q* x, {9 B6 j
&ei,
: q4 `8 s( Q, z &uiErr);
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SysFreeString(topicStr);
5 c' z5 G3 u% k SysFreeString(itemStr); F+ Y v* `6 [) G: Y Z# e: h
SysFreeString(valueStr);3 ~" c% {4 k$ x' h: Q
. i( @( M* A ^6 m. T; B4 c
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???: `' i( v7 K: C9 A$ Z4 m1 D# f
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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9 _. U) E6 _! X# q0 j' w6 Q3 C( K K- a* E& ]. t, p. ]$ W
2.这是request的程序
& k9 m1 Y/ O% j3 i7 {4 F// Request a value from Extend
, G4 ]/ z3 G" l* q7 Z/ I5 T//
: d( a3 k. R- m3 @% Z8 V, \ B9 f: }// Initialize the variant that will hold the BSTR. Set the variant's
3 `3 R5 ^ i, `. a' {// type flag to indicate the fact that this variant holds a BSTR. Place the" u$ s) [* w& A& @+ P' {
// BSTR into the variant structure.
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7 U% }9 H3 r+ U+ `1 t. E1 b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# }" K1 j8 _3 Q8 ?* L) `. l VariantInit(&requestVariant[0]); E" e- z- c' A. Y! @' T
requestVariant[0].vt = VT_BSTR;' Z+ c* A) Q* d x- [) z
requestVariant[0].bstrVal = itemStr;& X% @' m. [. @; x
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topicStr = SysAllocString((WCHAR *) L"system");7 I2 }: A# \& `! H. C" ]
VariantInit(&requestVariant[1]);
5 G$ Z* X5 a I requestVariant[1].vt = VT_BSTR;/ R8 D' B0 X# ?9 s$ Y& n5 T5 L
requestVariant[1].bstrVal = topicStr;
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8 q/ ^- S6 Y2 i. B// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;. h' z( A7 ?" _+ W" w6 s
dp2.cArgs = 2; T; y/ X* i# Q* E$ L8 a
dp2.rgdispidNamedArgs = NULL;4 n) S- \" {+ c9 T: {6 d
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
* X! q( t, n( u
( W! y9 V7 P3 U! D7 n// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(; i. x1 m- N1 p6 j' a
requestID,
: w) r% `2 h" P9 q* t" | IID_NULL,
7 c) g2 k* W6 s0 G* F LOCALE_SYSTEM_DEFAULT," W4 i' P+ d, h5 T2 A( I) D* l# h! C
DISPATCH_METHOD,
& w( J( o. |5 G, @2 o: r &dp2,
r- i8 g4 W# y+ i &var," i5 q5 t4 i0 o7 n3 I8 J+ l0 p
&ei,
; q1 w; @* j& ] &uiErr);
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% c6 Y+ S |1 _) U) L k SysFreeString(topicStr);+ |% _, F: T* O: Q, e& r# y! v9 A
SysFreeString(itemStr);
" o; q. ~0 ]( J1 F h请问该程序是获得extend里面的哪个值?
7 p$ M( T6 k2 L8 u0 z8 U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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