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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:
3 C) O4 t6 H% i" e# X/ V7 M2 c* T4 M6 wName = (WCHAR *) L"Poke";. U( w+ A+ U {7 w: u: M6 P4 p
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hr = m_pDisp->GetIDsOfNames (' ^2 C: c# |' H( P. l1 D3 \
IID_NULL, // reserved
7 A! R: @' g; \1 e$ K" U6 q5 x &Name, // Array of names to get IDs for8 z( {1 {( j1 n, R5 k
1, // # of names in the array1 g0 t# _+ b0 \$ O# \" ], `9 l( ?) a
LOCALE_SYSTEM_DEFAULT, // System locale& I- r1 a- _- x. s
&pokeID); // Array of IDs to fill on output0 ?) }/ F/ l$ x y/ v& W/ E
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
( ~: J4 C, l+ d- b return;2 m& t; |/ ?$ g- S
}
+ x+ Z8 r8 _8 L/ b- t% v
u k$ [/ o: R$ ?" J/**************************传递数据给extend**************************************/
. ]; Y* V5 B3 c+ G. M pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- @/ B2 O' S* ~5 `
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valueStr = SysAllocString((WCHAR *) L"1232");
) I3 d. \; l6 D1 g8 _; G VariantInit(&pokeVariant[0]);
* X! }7 C, v# k; [1 q pokeVariant[0].vt = VT_BSTR;
' B, e( ^4 S8 p/ [4 F1 v: n( N; n& U pokeVariant[0].bstrVal = valueStr;6 H: d% ]2 L) ?; P# Y6 z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 H) p( `# h% T7 J6 D$ _8 L
VariantInit(&pokeVariant[1]);
: H1 p8 N) w4 E+ C3 Z0 @ @. O1 T pokeVariant[1].vt = VT_BSTR;3 h. L7 @# Y2 |) ]- x9 ]! E
pokeVariant[1].bstrVal = itemStr;
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1 J$ }1 l% a9 D- f, p' m3 k topicStr = SysAllocString((WCHAR *) L"system");- e6 L$ T8 @. j
VariantInit(&pokeVariant[2]); ' a' ^! h+ @9 Q3 q& s
pokeVariant[2].vt = VT_BSTR;
& u1 e% l) i8 k/ u" a pokeVariant[2].bstrVal = topicStr;
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. G4 c2 D9 y) g- a2 ?; N// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
/ D( S7 W1 [- F8 o$ [% ` dp.cArgs = 3;
2 e6 n$ {# J0 j/ B, n( v. a% J* t dp.rgdispidNamedArgs = NULL;2 A$ [- Z9 X5 O
dp.cNamedArgs = 0;
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" u5 ?8 w' E5 `4 n, m( G K9 {// Call IDispatch::Invoke()- W0 O6 G" T5 o; K& N: L" C" `7 c
' R, u; j9 j$ K; M) F/ P. o0 I H3 R hr = m_pDisp->Invoke(, C) s! X( a4 [4 Q% r5 p
pokeID,9 m ^- N9 C( k: u
IID_NULL,, W& w9 k6 N$ e, g0 i( _9 i5 Z+ @
LOCALE_SYSTEM_DEFAULT,
4 T3 X) J2 y" l `% ^/ n) M8 w DISPATCH_METHOD,
# U9 S2 r4 c a0 v, P P5 g, S* c2 `; n &dp,
9 U* @: h- a" r1 q! b' p* { NULL,% N9 S" ]$ A+ N- n C, W+ r) B9 ^
&ei,& G% r, v5 W; V5 E4 }' q
&uiErr);
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( V$ ~' W2 H" D# `# I1 W! [ SysFreeString(topicStr);
5 H* O! s$ L/ i; O, u; F0 O& t SysFreeString(itemStr);
. ^* ?7 h% c( Y3 b0 Y6 w5 D9 s1 v SysFreeString(valueStr);% c- F! G" Y. ?6 A* }
" |5 L8 g0 k, O9 u4 ~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???
; {" L7 x. g: h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????: X7 g7 `- K: Z2 H8 r
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2.这是request的程序1 n! s$ ^+ @8 H: f' F% l. b
// Request a value from Extend
6 x$ Z; B# Z2 ^//
1 z- V/ i4 k m8 @7 m// Initialize the variant that will hold the BSTR. Set the variant's
; g' E0 a8 \7 x+ X# c// type flag to indicate the fact that this variant holds a BSTR. Place the
# H7 M1 N h$ @$ d) t// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# ^' B. o, ] g% [) g% i
VariantInit(&requestVariant[0]); 6 A4 v7 h4 S# ?8 `
requestVariant[0].vt = VT_BSTR;* d t6 }. u5 E9 ]1 a/ E+ S
requestVariant[0].bstrVal = itemStr;/ J* F; Z' p( B' F9 X
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topicStr = SysAllocString((WCHAR *) L"system");
; R3 d3 m/ [% E# \* R- M VariantInit(&requestVariant[1]); 7 i* g* ~$ ]5 M, [/ W2 c; c
requestVariant[1].vt = VT_BSTR;
. }9 i& n: v- J" A7 c1 O2 k; Q requestVariant[1].bstrVal = topicStr;1 R& k$ y# P2 U* T* j
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// Set the DISPPARAMS structure that holds the variant." R2 E/ g5 Q9 P& T
7 ^' l9 l# Z% Q" ^$ [2 p5 ?. } dp2.rgvarg = requestVariant;/ I0 s6 {3 j" P; g) j5 ?
dp2.cArgs = 2;
! I2 ?# e) M4 H dp2.rgdispidNamedArgs = NULL;* p1 G. @6 C. I
dp2.cNamedArgs = 0;2 K% Q1 o/ ^$ ^0 g# d+ G# F
4 I6 p0 B! x9 E" M var.vt = VT_EMPTY;
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% \ \3 Y3 N% W" p// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
+ L+ `* {$ R1 D/ [ requestID,
; v; A4 q* J! L IID_NULL,$ K7 I4 |% [7 q! N Y
LOCALE_SYSTEM_DEFAULT,
1 h. O$ s# ]& Y' q, ~$ @8 l! @ DISPATCH_METHOD,6 l5 I9 x. r! M/ Q
&dp2,* x# U( Q" W) u8 F- o* i3 B* E
&var,
$ U& R! D1 h1 c2 v" `8 l$ ]6 H &ei,2 Y! o& H) v K0 x- p% J2 t
&uiErr);. x, E- w X3 g: t
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SysFreeString(topicStr);
% } ~9 G8 k& R2 o1 H T% j2 u0 \ SysFreeString(itemStr);; \7 S8 `7 t A; l
请问该程序是获得extend里面的哪个值?! I! Z/ ~7 }9 F! i2 f" \
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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