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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: `8 A3 j5 ~& L4 ]) x
Name = (WCHAR *) L"Poke";" N% F" }' L7 e+ J( x2 N
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hr = m_pDisp->GetIDsOfNames (
( g* j0 w8 N! q) g( c; Y4 n- ? IID_NULL, // reserved% n2 z" V1 q8 g
&Name, // Array of names to get IDs for4 y* X: Q6 H, @: ^6 a( B# m
1, // # of names in the array
7 P8 W4 I+ s. D+ {" s0 Y2 N LOCALE_SYSTEM_DEFAULT, // System locale b" j8 \0 f2 y# [+ Z/ s
&pokeID); // Array of IDs to fill on output
6 m) A2 g+ o6 C
) W! s3 ^ V) x if (hr)& o5 \+ h# }: s. m+ ]+ B6 K- H
{
5 z- x- ]$ q% I+ W4 M7 k MessageBox ("Get Poke Unsuccessful");- J8 b z1 R+ c/ @: _# k( c
return;
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/**************************传递数据给extend**************************************/+ _5 H+ I2 ]. c, A6 x
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ P# ^; `* B0 N4 l0 ?" f
G# Q! i$ x% C A; \ valueStr = SysAllocString((WCHAR *) L"1232");
& F/ }$ Y! e- H9 ~ VariantInit(&pokeVariant[0]);
7 Z# V4 Y5 v: U4 G/ w8 n( v( I pokeVariant[0].vt = VT_BSTR;* q/ z9 f7 E2 _. {0 f% } c8 h# B& K% t1 u
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 f) M4 @0 L4 `* O) k7 f; p
VariantInit(&pokeVariant[1]); , C W9 j" c3 ^- z3 S
pokeVariant[1].vt = VT_BSTR;* x. K" Z( [# h* @4 x
pokeVariant[1].bstrVal = itemStr; b# o, r; G3 M1 Q! O, b
) v i+ u4 |0 i+ @ topicStr = SysAllocString((WCHAR *) L"system");" H9 ^9 d" x; w% A2 v1 w4 `
VariantInit(&pokeVariant[2]); 2 b& I1 f5 B% o3 @/ Z
pokeVariant[2].vt = VT_BSTR;2 F) G+ r. ] P1 w3 a* l/ ]. E
pokeVariant[2].bstrVal = topicStr;* I \# t4 v* w8 F: I
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// Set the DISPPARAMS structure that holds the variant.
# n6 o) C9 u1 l; K2 ~( a% z' }2 o9 ~& F
dp.rgvarg = pokeVariant;
" r* Q4 _9 a3 r6 P7 a1 m' Z dp.cArgs = 3;; N% x4 @- K+ ^3 F
dp.rgdispidNamedArgs = NULL;% q' w7 P `" s% o8 g5 }
dp.cNamedArgs = 0;0 ^( k4 r: [% \- y: y
; P, x1 t* H! {8 o2 J' l7 L. }+ d// Call IDispatch::Invoke()
- B: G- J- S# \3 _8 O A
$ w/ o- \/ N# B8 q Q4 [ hr = m_pDisp->Invoke(
. a1 q" K) s# k5 } pokeID,* h: E- v: Q$ g- T
IID_NULL,* s3 y+ I) M" }
LOCALE_SYSTEM_DEFAULT,2 [: f( Y' B+ Q1 }- F3 b' v$ ~& A0 f
DISPATCH_METHOD,2 g4 n7 |+ ?( F% C! E/ _
&dp,% Y+ F( @/ U3 ^8 x8 N1 b
NULL,/ A2 K+ Z. ~# b+ \ D2 u
&ei,. s7 r" c9 n7 p5 \- M) z9 D0 o" F
&uiErr);5 O; X8 O: z2 F Z4 B6 t
2 v; w0 S3 Q2 g( n" i
SysFreeString(topicStr);
5 Z* j; l* w8 c" ?- D SysFreeString(itemStr);
) ~' W2 W/ j% Q& T SysFreeString(valueStr); [# s0 Y3 Q4 Z. `
+ |2 p @! c" W; `& B$ U3 K& |
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???/ f8 d6 t. z% h4 H- y* f8 q- d6 X
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: t" F# {$ `0 n
// Request a value from Extend' T' v. G3 R) X U& ?/ z
//1 J5 o, s- w5 s4 n1 H7 n
// Initialize the variant that will hold the BSTR. Set the variant's
+ [# \7 K8 j- p7 g5 H// type flag to indicate the fact that this variant holds a BSTR. Place the1 q e' y+ a$ D
// BSTR into the variant structure.% | E, |6 k; p! Q+ j# Y% D
+ r3 X A( c2 T
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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; q4 n+ Z, V2 W' r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. q3 d m8 ?' p% A( W- r4 G VariantInit(&requestVariant[0]); # G& I( k4 z+ [, v% k
requestVariant[0].vt = VT_BSTR;
: S Q/ v; K/ S7 Q3 j7 m requestVariant[0].bstrVal = itemStr;
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" ?% x& i0 m e4 K. J topicStr = SysAllocString((WCHAR *) L"system");' L9 \# P- w6 k, i- [
VariantInit(&requestVariant[1]);
# _, e3 F* J% N( G4 ~ requestVariant[1].vt = VT_BSTR;, g8 \" E2 s9 P& W' J- C: s5 v
requestVariant[1].bstrVal = topicStr;- l0 z, n6 I( n: g+ W
. t8 F1 T4 C7 k2 Q* S1 R// Set the DISPPARAMS structure that holds the variant.3 i$ @1 x' D' n0 K# T
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dp2.rgvarg = requestVariant;3 O- x7 T: ?# k' {! M% N k
dp2.cArgs = 2;
; @/ l P6 a1 R2 ]& i dp2.rgdispidNamedArgs = NULL;
9 y; R6 e1 n) |+ ~* R! L! `- i dp2.cNamedArgs = 0;$ t9 J& g. w) \
8 g6 k1 g; G/ [ m var.vt = VT_EMPTY;
& `: r, @& Z9 R1 }. c+ @6 M: t9 {
7 |" X$ |7 _3 `0 m: t// Call IDispatch::Invoke(); O& N; w0 Y4 a# E) Q( j( U/ H
% A3 }& ?9 ^. F hr = m_pDisp->Invoke(( W4 O& n1 ^' I2 Y' k3 P2 ~
requestID,6 n( n, o. [' D0 ?
IID_NULL,( v- @# R4 E( J' {: a
LOCALE_SYSTEM_DEFAULT,
7 r K. k: ]0 G8 n DISPATCH_METHOD,3 b9 b/ z% S* A' E
&dp2,0 j( L7 M: B3 \
&var,4 T) ]" e4 F$ ^1 V5 A, w) E9 ?
&ei,8 \/ M, w9 n- L( V- h
&uiErr);
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6 u+ [1 @8 |0 P) l1 U SysFreeString(topicStr);' y& b1 J! n* Q7 z5 a# H
SysFreeString(itemStr);' o+ I6 f' Z; o. X3 K+ n7 J
请问该程序是获得extend里面的哪个值?/ T; K( h) Q8 A) {" O+ Y
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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