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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:; N3 C! B0 a. r) u6 M4 n# m
Name = (WCHAR *) L"Poke";) Y8 J0 }& m4 A( J# `9 z( E' b8 Z
{ h4 }% ~ P2 n) F hr = m_pDisp->GetIDsOfNames (
: R1 d' U) A& c0 j0 [( u: ` IID_NULL, // reserved! G4 y& c5 P0 d5 ~
&Name, // Array of names to get IDs for: C; c, {$ w( K7 \2 z
1, // # of names in the array
; r p1 \4 O; A, g LOCALE_SYSTEM_DEFAULT, // System locale
3 @9 K+ r0 O8 v &pokeID); // Array of IDs to fill on output8 |3 k; I. \8 d' u/ R) y
% \1 |. C& @" x/ }* L
if (hr)
. r( \- J; M% |, r7 P6 b {
% a) d: p7 K# e( t& W( \& k MessageBox ("Get Poke Unsuccessful");) t- N% K% ~5 _1 K# q! d
return;; A6 }$ b0 [2 |+ ^: b+ F* Q
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- a9 K, ?$ X' |1 B9 ~$ |/**************************传递数据给extend**************************************/8 J5 d% k! r+ \" g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
& L' E$ F+ O- m% s: Q VariantInit(&pokeVariant[0]); - v3 g5 {5 q0 W0 A
pokeVariant[0].vt = VT_BSTR;0 |6 A; l6 h) r7 u5 {# E
pokeVariant[0].bstrVal = valueStr;7 z: v5 R1 |, I
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 C; ` o- j+ J! D& ~) r VariantInit(&pokeVariant[1]); * ?1 l4 s1 l) q8 t( s5 `1 a
pokeVariant[1].vt = VT_BSTR;
' _4 u/ p% I8 t2 q' q# N; I pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");8 w: z% A% {3 F4 u0 }. p2 H/ e
VariantInit(&pokeVariant[2]); # M# A4 x! Y( [. O& w! G; s
pokeVariant[2].vt = VT_BSTR; n* E, Y; |) i! ~7 L# m& u
pokeVariant[2].bstrVal = topicStr;! Y' F! g& R- r& o) f! S/ _0 {
3 K" N& d* q& x) q2 j// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
6 K0 p) Z4 V1 d3 \$ d2 J dp.cArgs = 3;! p/ f. C* y5 L5 Q
dp.rgdispidNamedArgs = NULL;0 r& u: H1 r6 L B: @7 r
dp.cNamedArgs = 0;
/ T8 l1 C7 q7 M. \+ p1 W4 z; C" t! J9 X, @5 O9 J6 [& B* A& c
// Call IDispatch::Invoke()9 _* n! R8 }. I
2 d. d/ h& m5 d3 X) r8 r7 ] hr = m_pDisp->Invoke(
: L" w' b: R7 T7 U7 i pokeID,0 f0 K% d0 H T4 k* o. n% v( i+ J
IID_NULL,
! }, l, o: F2 C: ^ LOCALE_SYSTEM_DEFAULT,
( b0 W: A$ X+ n2 L DISPATCH_METHOD,
/ Z: ~" v; G6 H" x9 n# j6 ]: u' C &dp,6 L" u0 r7 {* \ }) `
NULL,2 j8 ]' u3 U; `9 _8 U# Y
&ei,) r' _. b8 y Q
&uiErr);
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3 y; I2 W: P: L Z" O2 P SysFreeString(topicStr);
+ l8 q) R# W! J7 f' P. B& ~5 a; n SysFreeString(itemStr);
/ q* p# ?9 O2 I3 E5 r SysFreeString(valueStr);
# v' \2 B! a6 `9 z* [" P) A
/ g0 t A1 m8 w$ A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???1 T, i, V; o3 F' V
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????0 ?% ]$ C$ z9 ]& U( I1 h
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5 C) b, x q0 ?0 H! y" x
2.这是request的程序
6 K5 n9 _7 W4 n2 ?9 H8 w// Request a value from Extend
0 J# Y. Q# [- r//
& X8 ^$ ^- A& c! @% p8 @// Initialize the variant that will hold the BSTR. Set the variant's
* O6 S9 l4 t; G) I1 p// type flag to indicate the fact that this variant holds a BSTR. Place the$ e/ s8 q+ q" z: D3 T2 I; J
// BSTR into the variant structure.- n8 w; W7 Z- |5 Y
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; w) X0 p& b% Y# ?% E% `; M% b. X
/ c( ^1 T" c! U itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! j5 D' I6 e. ~- @; F) f, F VariantInit(&requestVariant[0]); ' k% H" ~8 r: |( i
requestVariant[0].vt = VT_BSTR;2 `! N0 Z& ^4 A% @* m4 A- w
requestVariant[0].bstrVal = itemStr;
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* C! x9 T% c- U. B, w) c1 A topicStr = SysAllocString((WCHAR *) L"system");. @: P1 N) |- s1 Q2 r2 _0 E8 ?6 L
VariantInit(&requestVariant[1]); " e1 I4 q! u! K# F) K
requestVariant[1].vt = VT_BSTR;% d- `+ v' `2 ^: q4 D& z
requestVariant[1].bstrVal = topicStr;
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, Z9 `! X0 `* u' E: W1 g0 @) ]// Set the DISPPARAMS structure that holds the variant.- C4 B# [& k, e5 ~
+ B% `& g t7 I, A
dp2.rgvarg = requestVariant;+ T6 k0 r: }, e; w
dp2.cArgs = 2;$ \6 H, G1 w: k: J7 Z e
dp2.rgdispidNamedArgs = NULL;" ]% W# R$ `" H' z% y
dp2.cNamedArgs = 0;
" ~3 @$ Z. G% K& a d X" a* J- x* u/ {
var.vt = VT_EMPTY;; Y1 v" C) u* ]4 k5 |' n4 ?0 Z: b# p
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// Call IDispatch::Invoke(): q9 ^2 h; S: P' u
* V# w; c2 a; O0 ?: ~7 I hr = m_pDisp->Invoke(# X2 y2 v, P3 b& [. p; p, s
requestID,, K$ D4 E$ X2 O# U* s# S
IID_NULL,
' o" \" D, P5 _ LOCALE_SYSTEM_DEFAULT,
- w6 ~0 K1 o8 m DISPATCH_METHOD,
3 S) |6 A _) x" P2 J/ z) m- k( D &dp2,: V" u& G$ z3 g" \0 m7 |3 ?% [$ y
&var,6 G& L4 p6 ?& B& H2 @! l
&ei,+ \& M9 u Y9 d& V% i
&uiErr);
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6 B1 t' F- s- t SysFreeString(topicStr);" X/ y- H; O9 G/ v' }8 }
SysFreeString(itemStr);
, G8 z3 l5 j6 K2 ]请问该程序是获得extend里面的哪个值?& X) `* q7 o; ?$ k, Q& v
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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