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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:& }- p8 E2 ^" |( y
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (5 k/ \# |; \0 U0 [! n; e) I' q
IID_NULL, // reserved
+ \9 P/ Y1 y% R' X8 V &Name, // Array of names to get IDs for& F3 U8 r. g* t9 k: w
1, // # of names in the array7 e+ c$ o3 q: \8 R4 ~6 Z* q
LOCALE_SYSTEM_DEFAULT, // System locale5 A- e+ g( p6 Q, _
&pokeID); // Array of IDs to fill on output
& I/ _+ w/ `% m2 w7 W
+ x0 ~2 u" o. e5 m if (hr)
# m; C( j9 B1 n' H. K4 @ {
9 P& i' {+ ^# J9 [" v1 X* J MessageBox ("Get Poke Unsuccessful");
( x" b$ B1 s) t# v0 l Q return;& \. ^( N) `6 b C
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0 H# X9 M' G7 {- ]: n- ^1 t$ C/ h/**************************传递数据给extend**************************************/3 j1 a6 D0 B9 x# n1 ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
& Y( j/ M( Y }" s) J VariantInit(&pokeVariant[0]);
, z% ]) A& A# @( _- u pokeVariant[0].vt = VT_BSTR;
, V/ |2 I6 }5 b9 R1 T; g pokeVariant[0].bstrVal = valueStr;
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' B; K3 ~4 B* h; ?* D J6 T" R) { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. P* `2 T; e, t3 }* a% U# P
VariantInit(&pokeVariant[1]); ) Q* E/ B# P) p9 Q6 p+ j2 @
pokeVariant[1].vt = VT_BSTR;( j1 V- B0 G& B$ b
pokeVariant[1].bstrVal = itemStr;; m6 |9 g4 f( E" v: e X$ x- i
4 ~- e3 H$ x" H, f: C9 }+ W topicStr = SysAllocString((WCHAR *) L"system");9 o' P D" _! n, a
VariantInit(&pokeVariant[2]); & o% {! R1 D+ q/ c
pokeVariant[2].vt = VT_BSTR;
: Z7 c6 P* h; M! z( w! {5 X: \ pokeVariant[2].bstrVal = topicStr;% ?7 g1 B c' i, H O
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// Set the DISPPARAMS structure that holds the variant., M) e8 c5 A8 [4 |
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dp.rgvarg = pokeVariant;$ U c D$ D" R
dp.cArgs = 3;, D: p% v* n/ U
dp.rgdispidNamedArgs = NULL; E& l, f. y& G' s+ [
dp.cNamedArgs = 0;4 m% b4 B/ `: G
! ]) q- T, E2 |9 I6 c// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* e$ r3 S1 E# i% k4 Z) d
pokeID,# W# S8 y, B: n a9 m
IID_NULL,% o& `3 m2 c/ L1 s+ @1 ]4 Q! i! ~
LOCALE_SYSTEM_DEFAULT,
3 D& X% \2 E: ^% _- H ?0 J# @7 F/ n DISPATCH_METHOD,# c, w0 M) v! C0 _% O
&dp, m! U K. m& A+ R3 ^+ o, Z
NULL,
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&uiErr);
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4 h% l7 H/ S0 x SysFreeString(topicStr);6 p7 Q% q- J- s5 e# Y
SysFreeString(itemStr);3 X+ _2 m d5 n" J3 h
SysFreeString(valueStr);
# c" [4 y* a+ O5 g7 X" a' {5 G& b: D8 c3 W9 u7 t. d
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???/ L; [* S5 w5 B2 Q4 C6 I
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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, }& F8 s2 X( Z5 g" f6 y: C5 `2.这是request的程序- |% Q( x! w# P# J
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
7 D! \ F! j+ A# o) g+ t$ m// type flag to indicate the fact that this variant holds a BSTR. Place the
' P$ ^/ H; K x# r; Q// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& s3 d. d% F( g$ m3 Q
# d+ j5 K! g, t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& n( T& g8 u# @$ F VariantInit(&requestVariant[0]);
5 s" R7 `2 p, W. h2 p( w* x2 n9 e requestVariant[0].vt = VT_BSTR;
8 }" P3 R* n2 M @$ L. u8 j, r' k requestVariant[0].bstrVal = itemStr;
/ T- k# A7 I* B: P, B0 ]% z! W
% q/ x0 l `: x4 O topicStr = SysAllocString((WCHAR *) L"system");
( t% J+ Q) S% N) ` VariantInit(&requestVariant[1]); , \) Y& a/ U6 m6 Z# C% W( B! _2 q
requestVariant[1].vt = VT_BSTR;: ^8 W v3 Y9 c) e
requestVariant[1].bstrVal = topicStr;" E1 ^2 C+ Y/ D1 @
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// Set the DISPPARAMS structure that holds the variant.
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7 T3 m, }# s* B+ G j dp2.rgvarg = requestVariant;, n. B9 R2 y( R: @
dp2.cArgs = 2; z) ]2 a1 y1 i
dp2.rgdispidNamedArgs = NULL;6 [2 }: R5 ]( N& j; e. `
dp2.cNamedArgs = 0;
; ^/ l8 M1 [4 |6 }( \. F
- f! J/ ^) J" R* b/ _ var.vt = VT_EMPTY;8 |0 F, V1 l6 g( Y5 d' _ Y5 y7 |7 ~' R8 O
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// Call IDispatch::Invoke()/ Q! }# j( e* c b* p( q( h1 e) d4 h
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hr = m_pDisp->Invoke(& Z* q' c) V# P( ^
requestID,
0 J# l! f( l8 R3 Y5 H8 c# ] IID_NULL,& Z- G7 `7 b4 U# Z8 R
LOCALE_SYSTEM_DEFAULT,
. Q8 U" `& ]" U R DISPATCH_METHOD,5 }8 D' i" \; r* t* a
&dp2,# p Y& D5 t# L) y8 k# w
&var,
' [' |; @9 h( A. d$ V0 U &ei,
6 |* s z, W, C" W5 @2 v &uiErr);
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SysFreeString(topicStr);
/ G/ e4 V1 B4 j SysFreeString(itemStr);
+ K u" G4 c4 x4 p- u请问该程序是获得extend里面的哪个值?
, V) d% j9 |, S: L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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