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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:# k% [: f/ {7 E; E( g# u1 f1 @
Name = (WCHAR *) L"Poke";
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: _ i$ M( F% v4 ~ hr = m_pDisp->GetIDsOfNames (5 F/ O9 G0 b" L4 j) k: R& i3 P
IID_NULL, // reserved( h& z, U7 ]- _$ y- D/ P
&Name, // Array of names to get IDs for6 I% Q' G" c. d; U3 z E% z' i
1, // # of names in the array
) `( y! r% e+ c( B6 ~9 z LOCALE_SYSTEM_DEFAULT, // System locale
4 e2 G$ E% `/ s- F &pokeID); // Array of IDs to fill on output" I# M1 ~+ w3 g, K
, \7 [; q& B2 P8 u8 ^- c if (hr)
/ F% o: ~$ T7 B. W# C1 b1 q {
2 t1 c6 `, t) f6 ?& p MessageBox ("Get Poke Unsuccessful");' [9 s. W2 v6 F/ o O I
return;2 n- d6 p; q; S4 L4 }4 Q
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8 G" e* p. R ^/ B& w/**************************传递数据给extend**************************************/* n- k4 ]( H9 i$ _
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
. U1 g5 G- G9 m" D VariantInit(&pokeVariant[0]); % [6 R# k: d% Z' Q4 ?( w2 p2 L9 P0 a
pokeVariant[0].vt = VT_BSTR;- }2 |2 F$ }5 I1 `0 q
pokeVariant[0].bstrVal = valueStr;
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! |" g k3 M* X6 P; r2 N3 \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 m1 e' H; \( T$ u W
VariantInit(&pokeVariant[1]);
9 Q- f% p/ L) l7 o% s5 G/ N pokeVariant[1].vt = VT_BSTR; }2 A' H& _6 b7 n3 O& L" b
pokeVariant[1].bstrVal = itemStr;; S2 \6 L, W% z2 P2 G% j
/ f2 q. ]4 W2 n8 ` L$ v! Z topicStr = SysAllocString((WCHAR *) L"system"); G! x$ b8 j: V3 n1 e5 n/ u
VariantInit(&pokeVariant[2]); : ]1 L5 F% s4 S- ?* s
pokeVariant[2].vt = VT_BSTR;4 R' K: |0 V# E$ `. L8 J* d
pokeVariant[2].bstrVal = topicStr;
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0 m8 d. ^$ u8 l3 \: ]7 e; y// Set the DISPPARAMS structure that holds the variant.! H: \" u$ i) `
* G; w0 B, M1 e5 G2 ?3 f8 B dp.rgvarg = pokeVariant;
8 u9 f' e! K5 Z dp.cArgs = 3;+ A/ \! |" K% y2 Q# b1 e
dp.rgdispidNamedArgs = NULL;
9 z: M. h! v/ Y5 h; J- d dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()8 Y2 p; N6 T+ o
: Z% ~, K2 }5 E: \& u2 a! g hr = m_pDisp->Invoke( u2 ^+ J/ y& u; @
pokeID,+ _$ T; b# ^2 u0 v
IID_NULL,
9 t6 j: N+ z3 |! K' ?$ `$ z7 C& Q LOCALE_SYSTEM_DEFAULT,# O" u' H# A/ z; C1 s- [9 f
DISPATCH_METHOD,! ^% a* J+ X: k% A# [
&dp,, a( }$ J' [; n- q
NULL,
$ X7 |6 h, [' x: V &ei,
- E8 x+ h% j1 I$ f& h( n &uiErr);
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SysFreeString(topicStr);$ B9 i( @9 n3 A7 B
SysFreeString(itemStr);& O: B5 M$ t( [( P# |
SysFreeString(valueStr);
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- I! s! p, |: g+ Y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???
5 H$ a/ J1 X3 _4 t' \, t' 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* n% O- @- Y1 X" g0 q/ `/ n& T% G
// Request a value from Extend7 ^) P. R+ T) ?
//' p( _) P4 y) }- p9 Z# Y. j
// Initialize the variant that will hold the BSTR. Set the variant's1 p7 ]" J1 m0 G8 b+ Q& G2 ] M" y
// type flag to indicate the fact that this variant holds a BSTR. Place the
' C3 D" u. A& j5 q, M! `/ K) |5 S# V// BSTR into the variant structure.; `! O9 C7 Z1 M; w6 _9 {
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( A4 t" K3 S& _& @
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 V! y5 H7 l1 W1 v2 ] r5 k
VariantInit(&requestVariant[0]);
0 B# y; }* m1 D) P; O2 f/ [ requestVariant[0].vt = VT_BSTR;% B! O9 h0 h% W9 {3 `7 o- }
requestVariant[0].bstrVal = itemStr;
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; B; [+ g! D G topicStr = SysAllocString((WCHAR *) L"system");# R, B# p) j9 \3 q r
VariantInit(&requestVariant[1]);
( p. ]$ O, \# y0 {; } requestVariant[1].vt = VT_BSTR;( ~. ~, B, ~0 W/ U2 \# q+ A# f0 d
requestVariant[1].bstrVal = topicStr;
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. T' e6 n. a& ] r* Z# G! k" k \// Set the DISPPARAMS structure that holds the variant.6 B8 n' c! t7 N+ G
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dp2.rgvarg = requestVariant;1 X$ O8 ?+ U# K0 V% `& g& f4 Q
dp2.cArgs = 2;$ [2 F. j1 t8 O- o8 h8 r
dp2.rgdispidNamedArgs = NULL;0 z% }% {- i& _- y0 n# m! o/ Q
dp2.cNamedArgs = 0;
# {4 @2 a$ H6 h& _
2 \' E/ [2 Z6 j0 c! e, c+ F var.vt = VT_EMPTY;! T# A/ a7 L( i( B5 M
' G# M4 J# @. F( |; B( `/ {
// Call IDispatch::Invoke()! |! G$ Y7 H: @3 v/ e
; E( v @! S1 c. z+ L hr = m_pDisp->Invoke(9 K" {) m6 U: a* ^9 r _# j2 {
requestID,4 J# P4 Q8 l0 B0 r' ?
IID_NULL,+ |# N) f3 Z" Q, }8 E4 [3 I
LOCALE_SYSTEM_DEFAULT,
- H& O- ^6 T( Q& p5 Y+ b DISPATCH_METHOD,
+ _. ]- |7 L& ]0 W, ^- j3 R &dp2,( e2 v! n& i; x
&var," q! g( W7 q: X4 l2 B
&ei,
9 }0 V( B, }: q+ { &uiErr);
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SysFreeString(topicStr);
8 ~7 k) Q+ d( \# R1 g2 s. g5 t3 I# y SysFreeString(itemStr);
' f! H: I6 y8 U请问该程序是获得extend里面的哪个值?
% f% X' K0 \6 b. H7 f5 o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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