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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:+ K9 H! W7 A/ `
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
8 k7 M# B j+ l" N( p1 H% H IID_NULL, // reserved
; @ ^# ^' v# U2 P& d; ^. y &Name, // Array of names to get IDs for9 U4 S* P1 y( a- L; X
1, // # of names in the array
' b$ V1 N* b' Z, D1 X. w LOCALE_SYSTEM_DEFAULT, // System locale
: E8 U8 {8 H( u4 |5 M &pokeID); // Array of IDs to fill on output2 |4 d; N7 C& j" W. v+ Z+ Z
, ]6 ^ e3 t' H) S: _0 C
if (hr)
# ?0 `. \6 \1 c% S# E2 p {* c* e. K' V6 u
MessageBox ("Get Poke Unsuccessful");
' L; Q8 \9 [: c- v) K) y8 u1 H+ I return; K0 I# } r- l1 N+ _0 e
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/**************************传递数据给extend**************************************/
1 _1 ~& w# N _% J pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 t: D/ @1 M7 ^; P! R# o# P
' |4 |. B2 b2 ~ ^- L1 Y8 s valueStr = SysAllocString((WCHAR *) L"1232");
+ [4 W/ B# Z8 k7 c W1 v VariantInit(&pokeVariant[0]); 7 ]8 H2 H- ~% e$ w0 Z
pokeVariant[0].vt = VT_BSTR;' p: ?" t- ?! V3 r; R: [! o6 C1 p8 |
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" V/ A* Y0 P: z% D1 Y% f: m5 V
VariantInit(&pokeVariant[1]); / E7 \ p- G, R# S& s
pokeVariant[1].vt = VT_BSTR;
3 G/ o, C* N/ j8 h. I1 p/ V2 b pokeVariant[1].bstrVal = itemStr;
. {+ O- b4 u ]
0 b0 p. G, y, s, i% {( Q$ v topicStr = SysAllocString((WCHAR *) L"system");) X1 K: \8 @) ~
VariantInit(&pokeVariant[2]); 8 J1 l5 E1 \$ O( a, Y
pokeVariant[2].vt = VT_BSTR;
. s& ~5 A0 t# ~1 O5 M- T. { pokeVariant[2].bstrVal = topicStr;4 W/ t4 ]( a: P6 v/ u& O4 A
7 { H5 j1 c) P- ~// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;+ p" i$ B6 I4 d# j8 P2 }7 y
dp.cArgs = 3;6 y L1 N, N3 j- k+ [8 G2 v
dp.rgdispidNamedArgs = NULL;2 u0 r+ r+ R1 \# Z, v
dp.cNamedArgs = 0;! a" _. c" P R1 i- p" n
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// Call IDispatch::Invoke()
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2 ^5 K; X! v* {1 C hr = m_pDisp->Invoke(
" M* F# D+ G% E# r3 R$ o" N; v1 ~ pokeID,
% E& A- q7 I+ \. [9 m IID_NULL,, o# R9 K1 V7 Q# O' m4 {
LOCALE_SYSTEM_DEFAULT,
* J. O2 f1 d3 V' Z$ Z( n' _ DISPATCH_METHOD,
7 t5 S* _: g e/ |, E) I3 i! o &dp,
* d0 H" y* N; C NULL,: S, `7 V# h& Y5 J* m F3 e
&ei,9 u' |# F( L3 x. r8 \$ f2 Z
&uiErr);; R% Z0 ~, O& o: K
' ?6 p! v3 \$ X$ ^ SysFreeString(topicStr);- j4 n9 f& }4 k# L
SysFreeString(itemStr);$ G& w2 ]4 `: r. r5 I% _
SysFreeString(valueStr);) D, s( Z7 |. T
" F6 S$ @2 Y0 B l. v
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???; h9 X) q% H& J: x) z, ]' G
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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+ F/ B! D# [! }+ [7 {3 b- n2 R2.这是request的程序9 F) v Q9 {' Q( |6 }
// Request a value from Extend: p& U& P( k7 q' ~% i' _5 ^6 |/ m
/// g' s- m, i& j8 f9 c ^
// Initialize the variant that will hold the BSTR. Set the variant's
+ |; ~7 v) D4 D8 U// type flag to indicate the fact that this variant holds a BSTR. Place the! t: k6 B3 Y' q0 Y% ?3 A6 k
// BSTR into the variant structure.
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5 U! q/ C8 o$ k requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; h2 i: L: w9 N' i8 n
VariantInit(&requestVariant[0]);
8 h! i: u! S3 L- g requestVariant[0].vt = VT_BSTR;
* L6 k+ w) ?1 _0 z. e requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
, ^ c8 p% A0 E: i VariantInit(&requestVariant[1]);
' S9 n8 {5 `6 J' N4 B7 A requestVariant[1].vt = VT_BSTR;
2 S& {6 y) q1 a0 a2 X1 L3 z requestVariant[1].bstrVal = topicStr;
" c% u9 K+ T5 ?; m! h6 o/ q
6 k/ w9 s U. p7 h// Set the DISPPARAMS structure that holds the variant.; x2 W9 O ]4 y, J/ H+ s
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dp2.rgvarg = requestVariant;! E" J. n% c. R+ t: X
dp2.cArgs = 2;- d2 C7 j: Q& E6 Y! k$ f
dp2.rgdispidNamedArgs = NULL;4 b; n$ ?6 j; n" F3 F
dp2.cNamedArgs = 0;
+ x7 g* d B9 F! f# Q; k% K
) ~: i/ F) I4 @ var.vt = VT_EMPTY;* T) ]* _3 ~6 K' e/ {" D2 L
9 {* [, q4 t* O* s# r6 v// Call IDispatch::Invoke()
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/ K+ \$ z; c( Q1 U+ `; ` hr = m_pDisp->Invoke(# {' x: v+ f4 R/ W
requestID,
- r& l; R, _* k. h5 `5 P0 B IID_NULL,
7 T1 u0 R( ?! S5 Q LOCALE_SYSTEM_DEFAULT,6 A9 i& j: {% V8 ?
DISPATCH_METHOD,
3 K- @5 T T4 H8 Z7 r &dp2,
, b7 l$ o V# V, }' p" _* A5 Q &var,7 ^; q( X i' X: U1 {
&ei,
7 |8 @ X, } k2 k4 l# W* k &uiErr);* I5 B" z* b6 j: q
: m% o0 L* Q L SysFreeString(topicStr);
+ u7 M" V4 T( a6 F SysFreeString(itemStr);! G) i: R' ~* m9 \7 Q4 H! a
请问该程序是获得extend里面的哪个值?+ ^) b0 _7 F! L9 e& z1 f6 S
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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