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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:' z' ^) I* \% @- F c" q' H3 y
Name = (WCHAR *) L"Poke";
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! ?7 w' `, W5 F* w hr = m_pDisp->GetIDsOfNames (
$ f+ j- S) C- ^% q( h7 [, e1 @9 B IID_NULL, // reserved5 i$ D1 q7 ]$ n; q
&Name, // Array of names to get IDs for
% l7 H6 o5 k! E 1, // # of names in the array
% S, L4 n+ k; D5 W" ]* Z) I LOCALE_SYSTEM_DEFAULT, // System locale* I. h3 C& R' ^. h$ h- E) t6 U
&pokeID); // Array of IDs to fill on output
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if (hr)
6 t- k7 [2 X% O+ l1 m {
! M( }: o! X ]) K- Y MessageBox ("Get Poke Unsuccessful");
9 W3 [' P; Q8 T# d$ u return;$ g! {" a6 f# @" P$ G
}! u. Y, X. N+ n2 [
. Y* `7 Q2 ]+ Z- y/**************************传递数据给extend**************************************/
, x& F/ Y' N0 H7 k7 Z/ O1 L% ?& z: Z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 G: E; E$ a8 j. @2 R1 Q
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valueStr = SysAllocString((WCHAR *) L"1232");
; E" P& R: ?1 B0 W VariantInit(&pokeVariant[0]); ; v1 t1 K4 e& e9 @, S- N3 r4 \
pokeVariant[0].vt = VT_BSTR;
6 F" r2 d* n' g& @ pokeVariant[0].bstrVal = valueStr;
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% u3 R1 y8 C( S; x0 A# u1 c4 u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' Q; _- \4 G) n
VariantInit(&pokeVariant[1]);
' O# X; J+ M% [) C5 z+ Q2 | pokeVariant[1].vt = VT_BSTR;
2 E, `+ P; W/ `+ h @' Q) V0 @8 U9 W pokeVariant[1].bstrVal = itemStr;0 b& Q: }9 ]4 J' b9 b: Q# }! S3 B
: @2 s( g# X7 `3 P8 D" X1 f! r topicStr = SysAllocString((WCHAR *) L"system");
, Y( y9 C$ m6 \: }3 a7 a1 T VariantInit(&pokeVariant[2]); % Q4 s2 _0 c: o6 h) p
pokeVariant[2].vt = VT_BSTR;6 n) f2 k( E5 K1 q
pokeVariant[2].bstrVal = topicStr;0 P( f- }0 a; O* U9 n
1 A( J8 Q1 _8 z; t// Set the DISPPARAMS structure that holds the variant.
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/ b4 @( r2 p% S6 j, @$ ^ dp.rgvarg = pokeVariant;
5 f1 e( D, ~" `, W j: D dp.cArgs = 3;; S6 \! A7 Y1 p( e. p, C
dp.rgdispidNamedArgs = NULL;
0 K6 \2 n% E$ R* |% h dp.cNamedArgs = 0;
! Y h5 u- {7 D0 s u! d+ Z+ P5 q4 f+ Y, p: O3 z) }. f
// Call IDispatch::Invoke()* a. {; o$ v; ?, u( S. l# p
+ l2 g3 G2 h5 m9 {- T' E! G$ [; Q6 P% l hr = m_pDisp->Invoke(
- Q4 Q8 q+ j+ e& y" h; d pokeID,
0 w7 g H3 W7 q. y0 n# m IID_NULL,
@1 r) Q% n/ p LOCALE_SYSTEM_DEFAULT,+ R7 ~& |5 T$ z: {& o! z1 {
DISPATCH_METHOD,
6 X |7 e4 s' r5 E* ~1 q &dp,
9 x! C. Q v; W$ b0 B NULL,
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&uiErr);$ A9 _% A) o2 T- A5 L3 ]' ?
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SysFreeString(topicStr);
9 E- r# g( [- b8 _ ?8 U$ W; a SysFreeString(itemStr);! d0 i* G6 L6 C
SysFreeString(valueStr);
4 ]' k) C1 V: ]- t' r/ v
. m) J, e% b5 H2 \5 R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???
; T2 G$ t C& Q: Y9 a& Z7 o1 z. z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& M. K p, p) R7 e( D+ _8 W
// Request a value from Extend
/ J4 t4 D, v/ N8 y! m5 u! g) F//
8 y3 u9 O4 D. |( i9 t// Initialize the variant that will hold the BSTR. Set the variant's T# d1 w& v) c# w0 w, L. @
// type flag to indicate the fact that this variant holds a BSTR. Place the
+ v c N' H$ z0 k+ U* R0 p// BSTR into the variant structure.! D7 F- y: Q8 G. w3 q4 V( E! S' c
7 y( q* {8 J" W4 [0 Z& B requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" E9 F% n6 Y2 j) C9 }3 K! l
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 _+ n6 b) h* s H. l0 [
VariantInit(&requestVariant[0]); # ~/ b v7 z/ u7 c
requestVariant[0].vt = VT_BSTR;
( C7 {/ z2 q4 X4 B+ I requestVariant[0].bstrVal = itemStr;9 ?( o5 q# f' L
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topicStr = SysAllocString((WCHAR *) L"system");
5 H+ D" t! |2 B4 ]: M9 E3 e VariantInit(&requestVariant[1]); 0 b% n) M. s6 N. a! p
requestVariant[1].vt = VT_BSTR;
& o* v* T- v( q9 ~ f& W/ s0 T( k requestVariant[1].bstrVal = topicStr;9 V2 ]9 _( M! I7 L
& P0 Q' E. H, J2 \( a; a// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;4 ~8 _- I6 q$ t3 T
dp2.cArgs = 2;
4 H ~" j. U5 o* @/ p( `& D6 M+ h dp2.rgdispidNamedArgs = NULL;
2 R% X7 c% q3 o% b dp2.cNamedArgs = 0;; f/ ?# F1 T3 N' k/ v
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var.vt = VT_EMPTY; u& \ m0 _* Q9 Q' }0 h* y
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// Call IDispatch::Invoke()" m6 Z6 M# d9 F! k
' e/ k5 ^3 z1 t hr = m_pDisp->Invoke(3 F5 k) r# j t. y4 a
requestID,
, g, m0 P! D+ z8 h IID_NULL,
8 c0 y! X$ L6 f; k LOCALE_SYSTEM_DEFAULT,) U4 I: |0 n) @5 @+ f4 g; K
DISPATCH_METHOD, y9 v/ l/ ?0 [- V2 m6 ~ A
&dp2,8 `: n! O, q& q# A0 R3 F: v0 l
&var,( Q- S' n* W% L) E v2 K3 c/ V# ?
&ei,! ]! I3 l7 U# r2 C
&uiErr);" V; N5 ?) E R6 H
3 W9 n, A" [$ ]! R SysFreeString(topicStr);
7 o* m& {8 w" w8 H& E SysFreeString(itemStr);) `5 B4 H% g0 G- }" B4 H
请问该程序是获得extend里面的哪个值?
5 J8 v5 n5 C& }' J3 i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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