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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 G/ L" y" K# c: g
Name = (WCHAR *) L"Poke";8 G9 ^6 F! Y+ O! @7 z
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hr = m_pDisp->GetIDsOfNames (
K% I* K" g# P9 p v IID_NULL, // reserved
+ B K% y" b: T7 U+ M &Name, // Array of names to get IDs for
3 [6 p# o5 W/ X- t/ R- T8 z 1, // # of names in the array
5 ^3 W1 I" X; h% o LOCALE_SYSTEM_DEFAULT, // System locale
' x% H* E ?7 c5 w e &pokeID); // Array of IDs to fill on output
$ O! R& k1 R$ L1 P8 M6 _2 R
& Z* e+ G, N5 _% U: r& t) i if (hr)6 j" G( T" b" P" }* K! b
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MessageBox ("Get Poke Unsuccessful");
& V7 j( N: [ v, \& _& W _7 E return;+ g' j8 N' |7 a
}
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8 q: I; {8 v/ E, ^& B& Z% O/ o" @' l/**************************传递数据给extend**************************************/( M0 H# v) E \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
+ r' v2 Q4 x1 l) ?' O- a, ?
) _' r7 {1 m! v z: ? valueStr = SysAllocString((WCHAR *) L"1232");
- [/ T5 j; H8 ?( D1 p$ U VariantInit(&pokeVariant[0]); ' G \+ b% X3 Z$ M* T& P
pokeVariant[0].vt = VT_BSTR;
" X2 t4 M, ?# D( {% t- a/ O pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 ?9 O `5 Z4 C VariantInit(&pokeVariant[1]);
* J- `4 N7 p& z, K9 Y5 j. Z: V' I pokeVariant[1].vt = VT_BSTR;$ {+ q/ d- C* a( d
pokeVariant[1].bstrVal = itemStr;& \0 _& R9 d4 ~' X6 W6 S/ \
9 u+ g1 c- `9 Y topicStr = SysAllocString((WCHAR *) L"system");
* g( y! z8 c O. p; i: ^ VariantInit(&pokeVariant[2]); - I( c7 G1 P) y- K
pokeVariant[2].vt = VT_BSTR;
9 y5 d7 M; @/ l1 |4 Z8 P pokeVariant[2].bstrVal = topicStr;
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7 q0 d" O! `/ {6 o; G' Y" D// Set the DISPPARAMS structure that holds the variant.& G: ~: t1 W {! n* ^ g2 X- E
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dp.rgvarg = pokeVariant;+ r# U, r2 d3 z
dp.cArgs = 3;
$ x) `. H5 Y8 | dp.rgdispidNamedArgs = NULL;# _+ ]1 A @' [) T: F
dp.cNamedArgs = 0;6 |& Y9 a% Y9 W* I- ^/ R$ l
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// Call IDispatch::Invoke()
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( p* \7 |" r; k& S4 `7 Z$ j7 C hr = m_pDisp->Invoke(
% ]3 Z* d8 e1 r; x) j, x pokeID,; N3 J, E) L$ C/ t3 h
IID_NULL,
! C9 ]% Z* a. _ L5 m6 V/ q LOCALE_SYSTEM_DEFAULT,
" N7 f. {/ Z l/ X DISPATCH_METHOD,
5 K, ^$ b% H X2 x &dp,- Y5 k4 G+ p; v
NULL,6 G5 \, c" ]5 W5 w/ @
&ei,; p5 L1 `( p& V+ G! W) c8 ~
&uiErr);
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SysFreeString(topicStr);! r$ B( K5 a' v# Z. T9 }% u- r
SysFreeString(itemStr);( }$ @2 n: @* T# u
SysFreeString(valueStr);7 ~' o( [( ~- d- e) d
$ c9 t! p8 w% C5 n: @! a: X
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???
( r* A% g4 |; y6 U, S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4 I: x9 k1 u7 j2 x( `
// Request a value from Extend
" T6 E/ x) e1 P" N. c }. O, }//# p5 [8 J( v w4 ^/ p
// Initialize the variant that will hold the BSTR. Set the variant's
* Y* }, p. V1 ~ [8 m* C$ z) W7 I// type flag to indicate the fact that this variant holds a BSTR. Place the* D$ A: z4 O/ z2 `: {) g
// 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");
6 M8 [4 Z& q3 ]3 v2 E9 ]7 B/ [& B! v VariantInit(&requestVariant[0]); & a3 _) ~) W8 U! S9 _2 N i9 J; V7 d+ w( o
requestVariant[0].vt = VT_BSTR;' K5 E( q. R+ a7 f
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
9 m) ^4 R& I H2 ] VariantInit(&requestVariant[1]);
7 h- {' L: z1 V+ h0 | requestVariant[1].vt = VT_BSTR;4 K! T! z: [3 E) o
requestVariant[1].bstrVal = topicStr;7 u. q- ~2 b% C# |
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
1 A5 t/ u. n% d dp2.cArgs = 2;
" p" t% {& k+ a1 y+ } dp2.rgdispidNamedArgs = NULL;# k6 _5 K5 O& G; D- s
dp2.cNamedArgs = 0;; e; ^, Z. `/ Y2 F& I7 U) c C
/ M8 E, Q) Q7 B; m* a var.vt = VT_EMPTY;& W. J0 U) {6 o; W; V4 L
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 T4 p! ^) G* x requestID,
; N; e4 q: \* s* w/ P9 M. y5 p$ M l IID_NULL,
# ?- }; L* x: }7 A8 a' _ LOCALE_SYSTEM_DEFAULT,+ o$ }* k$ t9 [: C# m( _
DISPATCH_METHOD,
3 Q. X. B# m) u9 O+ g" O" g5 n &dp2,
/ X _. Y, Y- w* Y# s &var,
& M# |. M4 j# c+ n- [& y2 P x$ M &ei,( Q" X: e8 } a$ E/ ]# V5 E, u! ~
&uiErr);9 B+ r& C$ U7 Q
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SysFreeString(topicStr);
# H+ u) }1 U3 \9 Q6 X SysFreeString(itemStr);- U }& w0 L3 {6 v% Q
请问该程序是获得extend里面的哪个值?$ D1 n" M" |- 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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