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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:
6 z8 l& i0 W3 |! ]- X% }* |7 fName = (WCHAR *) L"Poke";: b+ N$ ^ K5 {' D- u
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hr = m_pDisp->GetIDsOfNames ($ @# T) _$ M6 k! ~+ X4 t0 v* \
IID_NULL, // reserved7 t$ ?' J: O7 |7 a1 {# {9 r6 a
&Name, // Array of names to get IDs for
) h, |, e7 b9 d9 m 1, // # of names in the array! B) P) Z) e0 b$ z
LOCALE_SYSTEM_DEFAULT, // System locale
9 c; K6 U& E' X% z &pokeID); // Array of IDs to fill on output$ P: X8 F5 j4 w' i) }
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if (hr)9 x a2 S, j6 [* Y, X2 K u8 ]
{
# S/ ?; a/ c" W0 `9 I) |3 h MessageBox ("Get Poke Unsuccessful");
8 h4 m5 ^% T* V [ return;
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# K/ T3 n" {) v1 S6 F2 G/**************************传递数据给extend**************************************/; D) q' S& o; m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 d! q" H7 G. q% p2 N
# a4 h" @6 j6 Y( p: B
valueStr = SysAllocString((WCHAR *) L"1232");
# ^, D/ o$ x" k8 { VariantInit(&pokeVariant[0]); ' z. q( b8 }! r1 y7 K
pokeVariant[0].vt = VT_BSTR;' f D G5 v% {4 _3 Y
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% ?8 a2 D* W3 i5 D- f b VariantInit(&pokeVariant[1]);
2 ]; b" x$ x P2 U; h$ i, B pokeVariant[1].vt = VT_BSTR;0 _, P" |! A% z# X+ r: ~/ e1 j, M
pokeVariant[1].bstrVal = itemStr;0 E O7 ^" M$ e$ y8 E. l
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topicStr = SysAllocString((WCHAR *) L"system");9 \) w" M8 n1 M
VariantInit(&pokeVariant[2]);
# C0 j/ A# B/ {* c# n- }$ C pokeVariant[2].vt = VT_BSTR;+ X$ b7 J+ Y/ z, n! N+ A
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.# |' x% T9 L7 U7 M" X
* R5 K* w) `- n3 f1 P( P; { dp.rgvarg = pokeVariant;
: b% Q+ b* N6 }* E+ X7 B dp.cArgs = 3;
: W& ?5 C! G( [# D" u dp.rgdispidNamedArgs = NULL;
8 u- i' A: r+ P: d& k dp.cNamedArgs = 0;
' j V1 r. O5 v/ i
( D' N) C. A d6 C3 s: o+ X// Call IDispatch::Invoke()6 `2 s. K4 Y$ B$ s1 W; T( o6 T8 D
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hr = m_pDisp->Invoke(
* \0 {2 ?% x$ e7 n2 q pokeID,# n U5 i4 ?/ p, a
IID_NULL," ?) D/ b0 y- s/ K& P* M
LOCALE_SYSTEM_DEFAULT,* G) l4 \# \, O) G
DISPATCH_METHOD,' |. n) A7 E" b5 W1 `
&dp,3 w' }3 M$ C" d9 H+ u: |
NULL,
/ s# ^# e* U+ b3 ~ `3 Z &ei,
& e# x/ n& u* L: r) e &uiErr);' L4 z% E8 i% e. o B8 X- T# }% }7 \9 i
3 g) h) C/ g; ]( a SysFreeString(topicStr);
( r: A6 T' U M5 p1 K) z: ?" y; f SysFreeString(itemStr);4 y" B k" t! v8 j( C3 q( q3 n" P% E
SysFreeString(valueStr);
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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???! ?5 u m5 N/ ~2 d6 n& \, D
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????+ I: w) p! D6 P A; Q) N/ R
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2.这是request的程序
3 m. e; s `3 F: x% i// Request a value from Extend
% R$ X6 H0 }& o U+ o- E//
! t& j7 U8 z; H! R! ~* e// Initialize the variant that will hold the BSTR. Set the variant's& a# U. B3 q( p/ a
// type flag to indicate the fact that this variant holds a BSTR. Place the! B3 n* x6 r# E& T
// BSTR into the variant structure.- q7 D5 l, y* B# D5 x& n
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) U m J2 S& Q6 n VariantInit(&requestVariant[0]); 6 R( F" x7 J6 l. _! ^
requestVariant[0].vt = VT_BSTR;0 p) D- N# s( W' i
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
6 z* c! g* z% z* S( b VariantInit(&requestVariant[1]);
6 F0 K# A+ ^. M+ ^2 ^ requestVariant[1].vt = VT_BSTR;
( N1 |$ }( `3 R5 n/ z4 c requestVariant[1].bstrVal = topicStr;$ F7 F! ?, f+ s& o4 \
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// Set the DISPPARAMS structure that holds the variant.1 b/ i6 x$ c6 O8 u: p
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dp2.rgvarg = requestVariant;2 x. k' G1 U3 j+ Z% N' `( e) N
dp2.cArgs = 2;; g: [# |9 N: {- q: J* R
dp2.rgdispidNamedArgs = NULL;
% n; n7 {4 D8 @( H4 Q dp2.cNamedArgs = 0;6 [, g( e5 a1 R! f1 q2 ^) D
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
; ?- g, Q; N7 v requestID,
$ ` x3 U( u' x' _0 [ IID_NULL,
: l) r! B& w! P LOCALE_SYSTEM_DEFAULT,3 l4 z! u7 q8 E1 \! R3 d% Z5 c6 y. C
DISPATCH_METHOD,
# p) t$ x. U9 n2 M2 K0 Q &dp2,
0 T& E8 U- D$ H &var,
, J' S/ k W0 L& O$ j: \$ } &ei,
+ I+ Z/ c) E0 n( e &uiErr);
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SysFreeString(topicStr);8 n# ^) e: Q0 H' \/ D4 i+ i
SysFreeString(itemStr);4 q0 ]8 X7 }6 t9 J, O0 B
请问该程序是获得extend里面的哪个值?9 B6 p# |" y' e
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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