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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:1 C, ?: E Q$ m/ @1 k, ]
Name = (WCHAR *) L"Poke";
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% M: B. b& V0 g- @0 n hr = m_pDisp->GetIDsOfNames (3 ~- s" O$ H" d) Y V
IID_NULL, // reserved
% O& b# i3 d# D2 q &Name, // Array of names to get IDs for* e. I3 I* r$ a6 C# }; {
1, // # of names in the array
0 a2 A( u7 M5 y4 D2 N& a! z LOCALE_SYSTEM_DEFAULT, // System locale7 ~+ {9 |1 D, P6 {1 D4 m
&pokeID); // Array of IDs to fill on output
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if (hr)& q& x8 A) h6 u6 i7 C( C
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MessageBox ("Get Poke Unsuccessful");! ?# `$ T/ D# m6 Y. n+ s- A% H
return;
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/**************************传递数据给extend**************************************/
, \' W- I" Q& B q/ [# ~ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: x9 T( J X0 Y8 |7 u
+ Y; r+ c+ Y \3 k. e1 e! Y valueStr = SysAllocString((WCHAR *) L"1232");0 t" a8 u% U0 n6 f2 b. j5 a
VariantInit(&pokeVariant[0]); ; j/ Q& R( L' ^; c: s$ i0 t
pokeVariant[0].vt = VT_BSTR;9 ?7 N3 A# r7 t
pokeVariant[0].bstrVal = valueStr;
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/ s4 b: V1 i# I- ?+ `$ D itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 M9 P* c" G8 y5 ^* f* z r
VariantInit(&pokeVariant[1]); ( N# P; [, b; F r5 t- K* f! E9 j) b
pokeVariant[1].vt = VT_BSTR;0 B/ `, s) r1 H; ] c9 r/ \* Q! U4 f
pokeVariant[1].bstrVal = itemStr;& H$ d |5 k6 j" ?) E
& R1 L+ ~- T( I' v* U& d topicStr = SysAllocString((WCHAR *) L"system");2 v- G7 b6 |! h$ e: H8 t, W6 a
VariantInit(&pokeVariant[2]);
4 d+ Q4 S% e& @3 w3 R( f) ` pokeVariant[2].vt = VT_BSTR;
7 j/ V1 ?9 L1 W+ D pokeVariant[2].bstrVal = topicStr;
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2 t3 H3 c0 U( J1 e* p3 G// Set the DISPPARAMS structure that holds the variant.( e8 n0 _ r% I7 z! h* w
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dp.rgvarg = pokeVariant;
9 H1 C# |- L. e1 z dp.cArgs = 3;; H$ L2 N7 H) ?. ?& n/ W
dp.rgdispidNamedArgs = NULL;
8 }) e1 e5 k' D( e* u dp.cNamedArgs = 0;
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// Call IDispatch::Invoke(): M# \! e% ^+ V
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hr = m_pDisp->Invoke(
7 _4 [( K; R8 Q6 U* U4 k/ k+ w pokeID,
! y; p# D5 S4 H4 ]9 L# m5 f# h IID_NULL,
. c3 O3 X. J# a \3 y5 l LOCALE_SYSTEM_DEFAULT,
# h# [. w+ h) d DISPATCH_METHOD,. l8 c# U3 b2 W- e/ |
&dp,
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&uiErr);
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SysFreeString(topicStr);& l! J" x1 H8 h- Q" S5 Q7 y
SysFreeString(itemStr); e$ o% S5 y/ P6 }! [3 R
SysFreeString(valueStr);
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' \, _' s+ m" O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???
" b, H7 }& ]5 x+ n9 V. Y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????& G1 @7 d+ J6 N/ }4 C
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2.这是request的程序( K/ E; E# h- d1 T: Y# n
// Request a value from Extend7 f+ o* O+ p7 j; y# o: S
//* v8 |6 z9 g- h7 X& J0 b8 U
// Initialize the variant that will hold the BSTR. Set the variant's
3 A5 A% d4 B" o; c// type flag to indicate the fact that this variant holds a BSTR. Place the
6 A2 z" n6 q% u6 L+ M// BSTR into the variant structure.) m, B* q4 c" \) [
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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( Z% Q4 A3 t% h6 O G- ^3 \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) A$ z$ W4 k7 [) S! H4 T1 ?2 I5 _6 M
VariantInit(&requestVariant[0]); 3 T) B% ~. t5 r7 c2 p/ U! `" [0 o
requestVariant[0].vt = VT_BSTR;9 W0 q" J5 v+ {) O
requestVariant[0].bstrVal = itemStr; G# @$ E4 u* Z% [7 f/ d) a
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topicStr = SysAllocString((WCHAR *) L"system");( ?2 h' t* N! E" g' N2 _' m v
VariantInit(&requestVariant[1]);
5 n; ~3 ?7 Z5 M* N: u% u' V5 p requestVariant[1].vt = VT_BSTR;
+ n& K/ q9 n6 ~7 s$ f: S4 A requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- f8 T9 b' \. Z4 _2 p4 o
1 p) T, X, Z6 w# K" S dp2.rgvarg = requestVariant;
" f; C0 n( |8 o dp2.cArgs = 2;' R1 ^) y" c+ o
dp2.rgdispidNamedArgs = NULL;
/ }8 s" O, ~/ ]" y1 h* F5 C dp2.cNamedArgs = 0;
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! `7 w' O+ w+ g ^ var.vt = VT_EMPTY;
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* ]. i0 H0 \& }! C// Call IDispatch::Invoke(), L d' ]! c$ u8 z
3 L2 M$ R/ L3 N: N! R& H' @: w hr = m_pDisp->Invoke(
, b/ o0 I! G* A' i& K" ~8 W requestID,% C: _2 ?( I* H2 D0 @; _, P. U
IID_NULL,
0 F2 J- G) M+ {8 J LOCALE_SYSTEM_DEFAULT,
( }' M- x' q0 @4 ~; ^5 n DISPATCH_METHOD,
' D) X" z; G5 C/ A2 P, W &dp2,, u9 n$ f& r3 _6 M F
&var,( R( Z% U+ p5 M
&ei,
1 H" j2 b9 N0 T7 x &uiErr);% k. p9 {2 [5 E* v e: Z* @# M
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SysFreeString(topicStr);
}0 b2 ? e' b7 S* Y SysFreeString(itemStr);7 N" a" v3 n4 J9 g$ F; A# t: }' Q
请问该程序是获得extend里面的哪个值?" q+ P# n! Y/ }6 F$ `) M
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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