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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:
. t# z6 Z7 w' S- @Name = (WCHAR *) L"Poke";5 g. I# \; }* r/ ~+ X
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hr = m_pDisp->GetIDsOfNames (
0 o5 l# x" \8 R) z5 Y, H1 n! P& R IID_NULL, // reserved
0 j+ N- {9 \7 h# T5 V6 X &Name, // Array of names to get IDs for
* ~4 o$ C3 Z* F* L 1, // # of names in the array
9 k% [ m5 m* \2 I" k* [ LOCALE_SYSTEM_DEFAULT, // System locale' T `1 V% K H- v9 X
&pokeID); // Array of IDs to fill on output- x6 g8 Q% w1 D& x
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if (hr)
# ]) @: |' w5 L; d" R {
6 n2 U- n+ v1 p$ h3 K7 W5 B( A9 b4 f- w MessageBox ("Get Poke Unsuccessful");
/ o3 n/ e4 J+ \9 y9 b8 j return;
& ]4 e+ Z0 t2 _0 I- m* M }
/ I, o$ Z4 B) k$ l' S/ C
7 o- H( A' e+ C3 f R7 Q w: U/**************************传递数据给extend**************************************/
% A( T' n- R- M1 ~) O. a pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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& _ R6 ~$ b% `" ^0 I/ L valueStr = SysAllocString((WCHAR *) L"1232");
. E4 u e- e! X5 ?7 y4 x, ` VariantInit(&pokeVariant[0]); ' ]; T) n; C' b2 I7 g7 S
pokeVariant[0].vt = VT_BSTR;
: X% N1 O! j3 p5 n A; i! S8 @% Z pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 B7 I/ E3 v- X
VariantInit(&pokeVariant[1]);
+ f3 X' K5 I" O4 G0 `: `% U% k U4 _9 [ pokeVariant[1].vt = VT_BSTR;& I# S3 D/ E4 n5 U/ F
pokeVariant[1].bstrVal = itemStr;% T1 X8 ]4 _7 P0 t
* q2 f' \* \: A; k7 p, K L6 ?2 E
topicStr = SysAllocString((WCHAR *) L"system");7 p1 H# \4 ` E6 ~6 Z
VariantInit(&pokeVariant[2]);
6 C. K1 ~0 d; r7 J+ r) k" B k pokeVariant[2].vt = VT_BSTR;4 v/ G" R' @: E6 D7 A( o! J2 p' `% D
pokeVariant[2].bstrVal = topicStr;
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& P1 w1 L* Q4 S( I$ H- |2 p// Set the DISPPARAMS structure that holds the variant.
, z) f+ A- |' W/ Z( x y3 `% ~ [" h0 u+ l; e* X
dp.rgvarg = pokeVariant;% K! d, o& y& d! K( j' z
dp.cArgs = 3;
6 ]# ]" ]# Z c6 p; D, S dp.rgdispidNamedArgs = NULL;
. _3 H9 e: H6 z( Q& C+ }5 j dp.cNamedArgs = 0;
' H9 {+ Y# V$ i2 w, B
/ D7 ?& U8 b4 y0 \5 x* K// Call IDispatch::Invoke()
$ m6 |8 s3 j1 w' P3 }) d+ o/ `
- v4 p& |9 j) O% ]6 k; b0 O hr = m_pDisp->Invoke(
7 h; u8 o! \9 a# e pokeID,
# z( t6 q5 J' H( F, G$ T IID_NULL,3 ? R$ \. q9 h& S" d7 _' b: W
LOCALE_SYSTEM_DEFAULT,, U" @- ?. N0 \3 [
DISPATCH_METHOD,. b0 x( j) Z1 M3 n' J- L" R" H
&dp," D! v! L1 F$ `( \& J# v$ P" q
NULL,3 G4 Z( r/ U9 ^# j& X5 M# {) j
&ei,( a+ m3 r" h0 W+ Q8 V, q! `
&uiErr);
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$ J i! x& \6 G a: ~9 N SysFreeString(topicStr);5 i. z z) O1 m7 |
SysFreeString(itemStr);$ p# W: [5 ^$ c' K* k7 Y% L n
SysFreeString(valueStr);( B- g9 h) ^# v2 H# \
u- ~+ {# Q) W% M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???" f: `1 w" e* f) G4 B
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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1 s8 F9 u* j) j8 t
5 X0 u/ w! q3 @1 a2.这是request的程序) Q/ p* W& |& N1 K, {' _
// Request a value from Extend/ `$ u, d0 z/ [* H9 t/ b5 K
//5 D# }/ i& \* [& M. E: q, o q2 `
// Initialize the variant that will hold the BSTR. Set the variant's1 `8 G$ X! O7 H3 G6 l5 y
// type flag to indicate the fact that this variant holds a BSTR. Place the
) v `1 G u9 H2 j) Z! H// BSTR into the variant structure.4 M @1 _' [' o9 M2 ]8 g4 v/ g
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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' b0 L2 F* X8 X8 y VariantInit(&requestVariant[0]);
" ?& B, Q/ p, d0 ]0 i) R/ l requestVariant[0].vt = VT_BSTR;! y3 t! M' w: }) b
requestVariant[0].bstrVal = itemStr;' v2 h* v5 O3 P" @# r! D
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topicStr = SysAllocString((WCHAR *) L"system");
e* ^: v* c6 M: c9 V0 m- P" E VariantInit(&requestVariant[1]);
+ O2 g: R4 O' c G$ G/ t requestVariant[1].vt = VT_BSTR;
0 r7 \# d- b1 K requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.# @ U( M- L4 U$ e! D( M" r1 @
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dp2.rgvarg = requestVariant;, [. N: Z5 n$ n2 g: `) p
dp2.cArgs = 2;
0 u S0 W' R) b' y9 z/ l6 n+ g dp2.rgdispidNamedArgs = NULL;
# t) j: ~4 A+ w1 |, f4 J# Q0 }: K dp2.cNamedArgs = 0;8 w4 Z+ i+ v7 E/ a* x4 [
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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3 b+ ^, n3 v& w/ f9 J& J- O- j3 s. L hr = m_pDisp->Invoke(5 _# U& r- \# }" r; o, S# l
requestID,
( M, \" S5 @, C: n) k% b7 h IID_NULL,
8 a. k3 @0 k7 v" M; r LOCALE_SYSTEM_DEFAULT,2 F) M/ ?9 |3 \2 E
DISPATCH_METHOD,, C. K0 ?) ~% G. m1 S. Q& P
&dp2,
6 ~/ D( }( {% O" m1 Z& @. I: a &var,
8 K" z& {$ p7 I. Y &ei,
% l% D( W+ D1 f &uiErr); R4 ^2 [# ?6 D" s' |" j+ F
" G6 z1 ?6 S3 O) X# J- }
SysFreeString(topicStr);
% J; D( t6 ]4 s; @' Z- m: K/ K SysFreeString(itemStr);* Y% `( Y7 f O8 F3 ^0 t3 u
请问该程序是获得extend里面的哪个值?, d4 O$ M ?+ D6 f
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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