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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 G& F9 i4 s8 t7 V) c
Name = (WCHAR *) L"Poke";
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) W" y% a# c4 l) {" t5 \ hr = m_pDisp->GetIDsOfNames (
+ p3 i9 a7 t( x5 M, x) H% P; J0 @ IID_NULL, // reserved. {" U3 Q" A7 d% J# P* i A
&Name, // Array of names to get IDs for. v6 g& w1 B @
1, // # of names in the array. i$ _5 A) [: x) h( S6 W
LOCALE_SYSTEM_DEFAULT, // System locale
# w. m3 y- O$ _6 h! _ &pokeID); // Array of IDs to fill on output
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2 B& z+ G/ N% a6 e if (hr)) [+ J: `, Z4 t$ W/ P, b& Y
{) J2 o4 A! \* r2 u0 g
MessageBox ("Get Poke Unsuccessful");3 m, I% T/ e b! m, r, x3 F
return;+ x" K9 A+ d. b1 C# B' I. z4 {
}
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/**************************传递数据给extend**************************************/7 p u. t1 p% q; f" m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
6 O8 ]+ X6 I5 ~* U* U VariantInit(&pokeVariant[0]); 8 p6 p- h( G8 [+ I0 |3 p
pokeVariant[0].vt = VT_BSTR;, `' N5 b) H3 H
pokeVariant[0].bstrVal = valueStr;7 F$ G4 X l2 `% b8 F/ Z# z; |
9 R) J3 m* K& G1 u1 P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 x$ r8 |2 y+ C. ~! P- E! _
VariantInit(&pokeVariant[1]);
% w( s7 C/ J2 D1 [3 H R1 _' W pokeVariant[1].vt = VT_BSTR;
) K+ S1 d B1 m7 W( f, E: g# @ pokeVariant[1].bstrVal = itemStr;& P9 Q; E, A; X( \% U% `1 s* ~! W
o- p; j3 l+ S' w! F k8 ~+ u topicStr = SysAllocString((WCHAR *) L"system");/ T9 m5 d# U6 O# G' V
VariantInit(&pokeVariant[2]);
+ p c' _! X( g/ X" F7 u( ~ pokeVariant[2].vt = VT_BSTR;9 p- Q! S v$ G4 T0 o/ f5 I8 ?* g
pokeVariant[2].bstrVal = topicStr;
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0 G ?% B9 X. ~// Set the DISPPARAMS structure that holds the variant.6 ?. \2 s& p% _" f5 k
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dp.rgvarg = pokeVariant;6 h9 M/ p* L3 z4 g
dp.cArgs = 3;
: {8 r* [8 t+ W* c dp.rgdispidNamedArgs = NULL;) N, B% V0 m! |; R5 s3 I; L- Q
dp.cNamedArgs = 0;0 W+ q# K) v# p* s
. ^! A! v3 Q4 @3 F. y/ j- [// Call IDispatch::Invoke()) J6 w7 @/ P B) i' {$ v" B: f M
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hr = m_pDisp->Invoke(
) ~- R* J0 C% L$ U. \8 C pokeID,3 V1 x% @% I5 c! y# H( f
IID_NULL,
2 k- T- I6 H: w5 u5 L$ X LOCALE_SYSTEM_DEFAULT,6 ~4 |3 }% o; ]' Q0 l2 k. z8 H( m
DISPATCH_METHOD,
+ F( d2 `2 c" ]$ u# x &dp,$ f. h1 _4 J% v8 y4 `8 J
NULL,
1 ~4 J/ {* V) o: r7 m6 y &ei,$ [* E; L5 Y' n$ v3 f j3 u4 \9 ~
&uiErr);
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6 D9 J/ {0 ^' H( l) m1 M. U& f SysFreeString(topicStr);
, {8 N7 p2 _) X5 w' i; E2 ? SysFreeString(itemStr);
" ^! n( z8 Z; ^& {3 o. v" w SysFreeString(valueStr);3 q" s0 I1 I' [$ f
/ n! x# A* ?' q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???: u8 b7 p; K0 Y% n
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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$ g: _8 Q0 d/ L- K2.这是request的程序
9 R' ^$ [5 M# C+ F, j// Request a value from Extend
' H0 V; @+ w7 s//' o; [! o4 P* s$ [1 W+ V; l
// Initialize the variant that will hold the BSTR. Set the variant's
" c. `2 f5 O- f7 \// type flag to indicate the fact that this variant holds a BSTR. Place the
# x- y2 R- ]4 d) i* s// BSTR into the variant structure.3 I. U z# {) m3 g4 |+ U. {, H2 r
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 q$ ?' r. F0 L6 ] VariantInit(&requestVariant[0]);
5 F; t6 Z6 H0 ~. _! B+ d requestVariant[0].vt = VT_BSTR;) L3 F6 D9 B a* R5 ~# F
requestVariant[0].bstrVal = itemStr;/ W) b4 b5 ` Z$ }: C- W# b' s
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topicStr = SysAllocString((WCHAR *) L"system");. P8 I- A* E4 v- r% J/ n
VariantInit(&requestVariant[1]);
$ y8 h6 A- b9 {7 I) s3 v; K3 D2 U+ R requestVariant[1].vt = VT_BSTR;: O" V" F9 u% R& t2 Y
requestVariant[1].bstrVal = topicStr; K* c. B& M8 O) Q6 R
* C, m: Q7 x. F3 {# q// Set the DISPPARAMS structure that holds the variant.
# c; B+ e7 e* [9 F* ~: c$ a& w3 ~0 B- }& i
dp2.rgvarg = requestVariant;' u# G* S1 y1 q" Q5 b8 e- m
dp2.cArgs = 2;
( I, D) }$ r, j) R dp2.rgdispidNamedArgs = NULL;. t+ p2 `* _$ H4 t1 f3 \
dp2.cNamedArgs = 0;
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: ~. u% t$ i9 g0 } var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
( a w) ]* l% _: _+ q& Y3 v# I requestID,; [ y1 Z+ X7 X
IID_NULL,! m! I- ^) o3 k$ T% S4 L
LOCALE_SYSTEM_DEFAULT,
. U' j3 |1 C6 ~ DISPATCH_METHOD,
5 m3 B& O: b2 p5 _ &dp2,
/ H5 h+ [- j7 a" c+ K6 V &var,2 B. @ X: L, [4 [ x/ L
&ei,! D/ B$ m3 [ P9 H4 B7 J0 w
&uiErr);
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SysFreeString(topicStr);
: ^/ \4 [; l% L SysFreeString(itemStr);& p4 d/ s$ R6 O; x# w
请问该程序是获得extend里面的哪个值?2 q+ f4 I0 ]5 L4 g
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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