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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 m2 @5 \" Y# d l
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
+ D: G! @$ k1 e- |( `" J: W- B IID_NULL, // reserved
8 [; @" q+ g5 i' P0 ? &Name, // Array of names to get IDs for
/ Q6 _ j# D2 X! f8 ` 1, // # of names in the array% p& {+ D( x- f, P
LOCALE_SYSTEM_DEFAULT, // System locale
0 J! ^+ c/ I, _# @! i' z; o &pokeID); // Array of IDs to fill on output
O5 ~- y9 u% u8 C6 z6 k, d+ {
' ^. F% E Y3 \: z! q4 O. r if (hr)
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MessageBox ("Get Poke Unsuccessful");
" D8 I' C/ j) A& A* R" x return;6 L4 P& S& S& _9 F0 s( n% {
}
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3 Z% q0 y+ F% ?/ \6 q6 v/**************************传递数据给extend**************************************/
2 i/ D8 x3 x, o$ e+ B pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
* K, }+ b) m; Y9 i VariantInit(&pokeVariant[0]); . a5 k+ k3 ^- @& @
pokeVariant[0].vt = VT_BSTR; e8 ?* f+ Q+ A7 ]1 r
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# b* F1 K2 G [% |, Q% o& \
VariantInit(&pokeVariant[1]);
7 _0 m) L% Z4 s) X pokeVariant[1].vt = VT_BSTR;0 U. \# M$ w- g6 G2 @
pokeVariant[1].bstrVal = itemStr;* ?( M' ]# o C3 \6 M6 z
* Y+ b5 F4 D" Q0 b; A0 I$ B. } topicStr = SysAllocString((WCHAR *) L"system");
F" @! O; ~; H! P$ w, K VariantInit(&pokeVariant[2]); % d& D/ Q5 |: Q) {1 z/ U
pokeVariant[2].vt = VT_BSTR;
7 P& Z7 r) T& u2 w" l, t pokeVariant[2].bstrVal = topicStr;' r2 `% T* x4 J' ] r
( D8 \9 L7 S: Y. k// Set the DISPPARAMS structure that holds the variant.& d* t% S" Q3 g; ~
6 j5 w: Z1 }$ K, C# g3 Z) N dp.rgvarg = pokeVariant;
4 I1 N% R# s; a2 H4 W2 E dp.cArgs = 3;
" e% W# z: Y# E dp.rgdispidNamedArgs = NULL;
3 c% W6 D5 [& q2 w# } dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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' y( w% L$ m! s; n hr = m_pDisp->Invoke(
2 N5 o8 Q- g: o; E pokeID,# A: {! H4 M" S0 Q; Z
IID_NULL,+ R t3 H3 u! U7 R7 s4 y+ D
LOCALE_SYSTEM_DEFAULT,
1 |2 R3 O' @) V3 T y f o- D DISPATCH_METHOD,
^+ m% o- w) f/ F+ ^0 H &dp," f1 @5 G9 E6 j( {: v4 m( o( _8 e& t
NULL,
' w. X6 a# ?) Z; i4 N. r &ei,
+ ~* L' Q. Y9 n# ]3 e5 n+ w7 B &uiErr);
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SysFreeString(topicStr);, M2 u; G# P4 p: l1 [
SysFreeString(itemStr);
0 z/ Z8 |/ t! U/ s) i4 C( T0 j: Z7 E SysFreeString(valueStr);; V1 Z& W8 a# O
7 S6 p: s# p1 \$ e
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???' X. w9 i! ~( j% z/ 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????, [4 X2 }3 ]) s T
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1 r. o/ [' U6 I+ T1 z: c- e2.这是request的程序$ Y( @; T4 A$ V& e. H w
// Request a value from Extend
K: l$ X1 a8 f//$ r+ o& |! \9 T; F P
// Initialize the variant that will hold the BSTR. Set the variant's4 Q/ d3 X* ~+ e6 H. }
// type flag to indicate the fact that this variant holds a BSTR. Place the
8 h, O+ s& w, a: b4 t// BSTR into the variant structure.
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1 L9 S1 a6 z2 b" b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ P ?8 I& W" ]; Q2 ?/ t V. w/ o
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" l- }8 N' r, h: a( E+ N
VariantInit(&requestVariant[0]);
* O' v K$ \1 Q' U- E# d L O requestVariant[0].vt = VT_BSTR;1 j3 q6 i8 z/ B; i7 O
requestVariant[0].bstrVal = itemStr;
/ P. i0 S% P5 l8 m8 d/ ~
O. X. {5 ]5 u) I: t; W7 O. J topicStr = SysAllocString((WCHAR *) L"system"); q% c( _ D6 O% x! Q
VariantInit(&requestVariant[1]); ; _7 r- @5 T4 x4 o3 H
requestVariant[1].vt = VT_BSTR;9 n* F i, n2 c: w" c! a6 y; I0 G
requestVariant[1].bstrVal = topicStr;
# I) _ z8 i# W2 G+ K% V. j. F( `7 @: ^8 X# }
// Set the DISPPARAMS structure that holds the variant./ Z" ]3 e7 m3 D8 Q6 f2 f/ j
% `$ D" ^9 v J7 P Y7 h4 J4 T
dp2.rgvarg = requestVariant;' Q3 p8 |* b* m- ~/ p% d& p
dp2.cArgs = 2;
8 a/ r7 H2 }1 @3 c9 r( T dp2.rgdispidNamedArgs = NULL;
3 e( U1 j5 ?% R- z1 I/ o7 P dp2.cNamedArgs = 0;
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. v6 L8 o1 R" w var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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' ~! s: E! O# ]- j hr = m_pDisp->Invoke(
* b0 C# q5 I! r; a7 h requestID,
/ B' }' y- ]# b6 z8 r7 U2 O4 X IID_NULL,
$ b$ l: N; v! W4 j: j( S LOCALE_SYSTEM_DEFAULT,2 S! u: f: Z! f3 g& l! v) m
DISPATCH_METHOD,, Q0 S+ W' D) Y, H5 ?
&dp2,; m: r3 j9 G7 |( l8 G
&var,
; B5 o: l6 }/ L, J: Y &ei,
' ?* y3 ` @, c) D' Z. \6 |% o &uiErr);
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SysFreeString(topicStr);9 ~, ^' e& S7 Q: F& `* _) {
SysFreeString(itemStr);
+ j" C' L' H. s4 T请问该程序是获得extend里面的哪个值?
# r" y7 I- A" j5 u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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