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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:2 p- f8 Z8 @: L8 e; o* W
Name = (WCHAR *) L"Poke";
4 W' `0 L0 _# }5 w( | / q/ s3 ~4 o) Q: h! N9 U
hr = m_pDisp->GetIDsOfNames (
4 r+ I9 P( G( @7 C+ h' U IID_NULL, // reserved
* c7 ~4 T2 ^% X1 {4 V1 b &Name, // Array of names to get IDs for( t1 B% s2 s( ]# ?( x
1, // # of names in the array+ I, I) E" t+ H7 j# R" \. n
LOCALE_SYSTEM_DEFAULT, // System locale
4 x1 i% L, V' y8 C0 D &pokeID); // Array of IDs to fill on output
" @ o0 |, W0 }9 r5 }
6 f$ K! R9 S% D; j, | if (hr)4 }! ^3 q1 r3 t; I, W0 ? M! h9 m
{
' M# E c( ?5 a/ r( w MessageBox ("Get Poke Unsuccessful");
# X$ Q- a5 {+ ?1 S/ x+ H return;
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/**************************传递数据给extend**************************************/
) U; p, f+ i5 {; j9 L9 O pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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! l6 F4 @( x$ y3 d5 P; c0 K valueStr = SysAllocString((WCHAR *) L"1232");- ~$ ?0 W0 K; H7 g. D- u& \6 Z
VariantInit(&pokeVariant[0]); ( y, N w1 h+ w
pokeVariant[0].vt = VT_BSTR; O5 f* ]8 p7 c: G% D
pokeVariant[0].bstrVal = valueStr; Q& c/ e3 z3 E3 h, r
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( F% e% _ J: Y6 t; ]( B: @ VariantInit(&pokeVariant[1]);
$ D& {( k4 F6 ]* _3 Y2 d pokeVariant[1].vt = VT_BSTR;+ N7 |/ a, L3 t: m# J
pokeVariant[1].bstrVal = itemStr;2 W9 L& x1 L& l C" d
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topicStr = SysAllocString((WCHAR *) L"system");3 [" e, X1 @* \: d; W' b& T
VariantInit(&pokeVariant[2]);
* [ j7 {8 h6 f! l1 c pokeVariant[2].vt = VT_BSTR;
( Z! y4 l; a* v pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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$ F& S) i, |/ |0 c dp.rgvarg = pokeVariant;
1 v9 j/ K, f! U dp.cArgs = 3; @! n1 D U( H4 p6 b
dp.rgdispidNamedArgs = NULL;
8 N) F g8 Z: P# s8 \$ D dp.cNamedArgs = 0;, r$ Z- f% w" b' [) u7 v7 u- W: N
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// Call IDispatch::Invoke()4 x' V& q4 J/ d7 t2 \
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hr = m_pDisp->Invoke(
* q- b/ e" I2 Z* R! g6 N pokeID,
6 ^/ W/ x4 d7 T IID_NULL,
3 \1 \" }% w5 w8 b2 n) E' T4 z LOCALE_SYSTEM_DEFAULT,
0 B# d! [ k* t0 O DISPATCH_METHOD,
: v0 `% G* Z6 x8 L3 F &dp," S0 t! L! @3 o& X8 q
NULL,
0 [# S' _6 t o' ]: N &ei,6 i5 [) G' \1 b
&uiErr);
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2 M3 [% I! _1 Y6 n* m# V SysFreeString(topicStr);* k+ A6 ?6 P5 ?" D8 `1 `) }
SysFreeString(itemStr);, \4 T" _$ W) l4 @& z
SysFreeString(valueStr);
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u6 ]; ?4 }; F$ u/ I5 S1 O& o- `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???6 I, e- K8 d/ ?8 g
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????) w& S8 X- V ^" u* |# X# k+ |3 _) x
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2.这是request的程序
2 V( q6 u2 ?: h// Request a value from Extend
" ?& \, A, y1 ~+ s5 k& g7 ~//
+ r0 t7 D0 B0 V: R9 i- }// Initialize the variant that will hold the BSTR. Set the variant's* h' L& I- T- W" L- `
// type flag to indicate the fact that this variant holds a BSTR. Place the
4 G0 K8 n; w* O$ B// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 f' J5 P" C4 l& X9 N5 q0 A
- _' {7 w( |* W: @( K5 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ t! z6 m/ U3 D& G0 C VariantInit(&requestVariant[0]); - K0 u, L2 [2 b/ M
requestVariant[0].vt = VT_BSTR;
) c% r" y0 u( A. @% k requestVariant[0].bstrVal = itemStr;4 e" p& a5 t& m1 A, Q
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topicStr = SysAllocString((WCHAR *) L"system");/ g, a, f& U! l3 \
VariantInit(&requestVariant[1]);
% e9 ^. C3 L+ F% J8 e. T requestVariant[1].vt = VT_BSTR;
' y$ G5 v' d/ H' o requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.# Y! m2 T/ A- ]4 a) g: D* m2 k/ u
; T& h1 o+ F6 Z- o4 E0 ^' m5 W dp2.rgvarg = requestVariant;$ }8 f7 p& p/ P$ M3 i+ ^) Y% [
dp2.cArgs = 2;9 m3 n) B& l* _2 w( x( z* s0 A
dp2.rgdispidNamedArgs = NULL;
# ? _5 p+ K5 @9 v$ Q8 H, S$ ~ dp2.cNamedArgs = 0;7 @0 D" i5 C6 P/ t& }
, _* w) ~0 |$ l y6 ?/ L& ^ var.vt = VT_EMPTY;
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) I! ~0 v2 v) c+ [// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(& |: y; o1 v1 b8 E% i% }
requestID,4 e/ D* x$ m1 Q
IID_NULL,
- B8 a, S! `: U+ i8 m9 ^3 C3 ~. t' W LOCALE_SYSTEM_DEFAULT,/ c2 |) l- w, D6 A5 ~( H0 w5 h- h& s- F
DISPATCH_METHOD, ]' I) o7 ]( {4 ?3 a
&dp2,. \' ?: A: ~& e2 Y
&var,; v. m3 @ @" K0 r$ X" V8 i
&ei,% F0 t' R6 @+ K1 \: F
&uiErr);- Q! g" N( D" {; ?$ i8 o5 [
: {+ ^- {2 H& ?8 G8 g SysFreeString(topicStr); z X7 e/ _# \& m
SysFreeString(itemStr);
- Y+ } Z) i) c0 q( L5 M f请问该程序是获得extend里面的哪个值?
. p! e6 k2 u7 |, ~% @3 v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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