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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:9 X- f4 V8 `- } Q/ |
Name = (WCHAR *) L"Poke";, a7 a$ F% m5 O4 T4 F7 z2 I' I+ W
4 |1 z: W( k. z* i% i$ v: @ hr = m_pDisp->GetIDsOfNames (
h5 B" k/ {+ S; r IID_NULL, // reserved
1 ]3 l# H! B* Q# z* m$ K. |7 M/ d+ l &Name, // Array of names to get IDs for
# J8 M+ v( E9 i0 O& v 1, // # of names in the array) N, K: L" ?. W! l1 }
LOCALE_SYSTEM_DEFAULT, // System locale
' I/ G( L9 K3 i* X &pokeID); // Array of IDs to fill on output1 u& T3 I- y: f5 W! K
+ [( W& t v1 D& [: j1 T
if (hr)
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MessageBox ("Get Poke Unsuccessful");
( k1 N5 c4 P3 V. K( ?3 E1 C return;
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! S* }" ^" P- c5 p% G/**************************传递数据给extend**************************************/( d6 `; T# K" }( s3 O
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 }5 D, J/ ?1 A# v
9 H; w) @# V0 w; H% ? valueStr = SysAllocString((WCHAR *) L"1232");
# q3 D5 Q4 K: W" \ VariantInit(&pokeVariant[0]);
* H9 d @3 a A4 X9 i3 Q! r pokeVariant[0].vt = VT_BSTR;
) D4 {3 Y, |: b4 i \, q: Z9 ] pokeVariant[0].bstrVal = valueStr;
" H. u3 V- a3 U- b# z
3 r+ I( w" L2 l( m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" v2 }4 c' ~: D) v) t) ^
VariantInit(&pokeVariant[1]);
4 t. m* W9 G$ k pokeVariant[1].vt = VT_BSTR;% b3 T6 x4 j# [7 W7 g, \( |
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
5 F! u0 F8 F' l& n/ | VariantInit(&pokeVariant[2]);
: ^/ b9 \/ y0 X5 y$ ?& n. T pokeVariant[2].vt = VT_BSTR;- f7 a$ |" L1 P
pokeVariant[2].bstrVal = topicStr;8 k3 r: w4 f) _ N( t* I
. i7 D$ u6 j, o! P6 B( n( [' O// Set the DISPPARAMS structure that holds the variant.2 W5 W! e+ g& H" s4 H% J _
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dp.rgvarg = pokeVariant;3 S3 r0 p- J( ~$ ]
dp.cArgs = 3;3 _; G) d, T" y1 E9 b7 M: |
dp.rgdispidNamedArgs = NULL;% b8 {4 a, H; n2 I6 ]3 h
dp.cNamedArgs = 0;# h% T2 C {0 x, ?! _
/ k$ q9 G2 A* \// Call IDispatch::Invoke()) p+ U! B* l; |+ E) l* @ \# s7 L
6 W3 ^% I+ h: H% `% a hr = m_pDisp->Invoke( r3 E* y: z3 t/ P' v2 \
pokeID,
4 G0 o9 g4 ]( o- O IID_NULL,
0 ~2 D! g$ x$ w LOCALE_SYSTEM_DEFAULT,: X2 v" k: f; A* D
DISPATCH_METHOD,' _" f3 h; H( ^# A( ?4 f
&dp,
3 R7 x6 {8 q6 ]0 r# x( Q NULL,. [% S8 g q) a& O) j
&ei,
8 @6 i, i+ {. X) [2 ^/ F/ c7 t &uiErr);. H" V% E/ [: T7 w |3 u' c
/ J, B3 g: h2 O/ i# _* }) n SysFreeString(topicStr);4 M" R J9 o- K0 q/ T8 U1 F
SysFreeString(itemStr);: }) q% l) U. Q2 t, e# F3 x9 ?
SysFreeString(valueStr);: u4 _0 V' k! G' m# d+ P
8 s/ Z, B% V( k/ i0 [/ u' h) n) z' j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???
8 G/ K9 m: l4 b- }8 ^( t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8 H4 Z" r4 O b9 }
// Request a value from Extend
; s3 T, P1 V, H; F7 r* J) X' u6 O//
6 i) z: s) T+ x6 n// Initialize the variant that will hold the BSTR. Set the variant's
% |8 f8 [8 e$ S$ `: k4 t// type flag to indicate the fact that this variant holds a BSTR. Place the
7 ^" N" E) @( H: J5 j7 {// BSTR into the variant structure.
# E$ i; Y6 \: H6 w r! ]
4 N! W: G' ]- K requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. Q9 r: L# b/ o$ K" u+ D
' p, q# z% Q( V: f# R, x, X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# T% L: {# j3 p" P& C4 P0 f VariantInit(&requestVariant[0]); $ ~" s1 x; P- V# e
requestVariant[0].vt = VT_BSTR;7 r9 x: Z: m3 K: v2 T
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system"); N0 n0 i1 h+ a! \0 E+ y
VariantInit(&requestVariant[1]);
5 X2 m" U5 W7 p: h; j/ v2 B requestVariant[1].vt = VT_BSTR;
# P8 E |; x. W( y requestVariant[1].bstrVal = topicStr;
/ J3 i: C, \$ M$ L' a
; a6 l: I7 N6 K8 U6 ^8 I// Set the DISPPARAMS structure that holds the variant.; p% f) ?5 D: ~$ x
# K' S/ W1 u7 H/ z& F( v. s0 A% e7 D dp2.rgvarg = requestVariant;& q& a# O* i4 C' K2 c$ T
dp2.cArgs = 2;, w+ X, E+ P# Z4 y, ~
dp2.rgdispidNamedArgs = NULL;
7 F( i/ X6 Y% |* t4 a. E dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke() {: y: W2 T; _' o! C* r# V
4 w$ v8 u6 H, e0 B! T" x6 Y hr = m_pDisp->Invoke(" j: {$ e! L+ f
requestID,; H( \9 f) x- K/ y- w* z, m
IID_NULL,* Y. ^$ H" M0 u( T; b
LOCALE_SYSTEM_DEFAULT,
Y* p( s) R. q Q9 E6 c' e DISPATCH_METHOD,3 K7 Y0 a/ Z; U9 j: a% O. y$ w
&dp2,8 p' |6 s! m! [! Q2 S
&var,
" ?6 ?: E8 O4 d0 X &ei,
4 A; S8 e2 K6 Y &uiErr);$ b( }8 v s4 s
2 |3 t, \0 T/ j SysFreeString(topicStr);; t' K1 I" a U% _3 ^! }
SysFreeString(itemStr);
' i _; i! c: u) V请问该程序是获得extend里面的哪个值?& j& h) {' P( H3 F, i
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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