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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 e( q4 s( V# r0 L
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
! a& R4 R( F2 z! y& s8 e IID_NULL, // reserved
" i! L1 F$ Y9 n6 h! N$ R &Name, // Array of names to get IDs for' D3 X4 x, W; H2 l8 {& [
1, // # of names in the array+ `4 n% m# P Z( |3 y2 _8 r- p
LOCALE_SYSTEM_DEFAULT, // System locale8 { _9 u. F8 _9 |
&pokeID); // Array of IDs to fill on output
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if (hr); L7 H# w7 P" @* x$ w. W* w
{" D, [7 M* V* _+ G
MessageBox ("Get Poke Unsuccessful");
* c* A0 o' |' L; H+ d' p" P return;
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/**************************传递数据给extend**************************************/
6 Q, M4 t$ E8 | ~; c, j9 l pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");# N7 W, |" k3 |0 b
VariantInit(&pokeVariant[0]);
, s& @) t0 Y c9 s4 ^ pokeVariant[0].vt = VT_BSTR;, `/ z+ \3 P4 C
pokeVariant[0].bstrVal = valueStr;, V# I; H g$ O. L
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' z$ T$ G5 x3 T" a$ m- D, H VariantInit(&pokeVariant[1]); ' A- S9 ~, I* s' q, [3 p
pokeVariant[1].vt = VT_BSTR;" D3 q! B1 X3 [9 p6 D. \6 c
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
4 J3 n% ?5 p- g) L VariantInit(&pokeVariant[2]);
7 {7 e, V- l- w3 H9 ? pokeVariant[2].vt = VT_BSTR;
& g8 V" g9 E: ?' h4 K( f( `& K pokeVariant[2].bstrVal = topicStr;
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/ I# K( U# T# c- p; d2 N// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
/ a. J- N9 I/ ]( M) w dp.cArgs = 3; e. B J6 q0 G
dp.rgdispidNamedArgs = NULL;
8 a3 ^; o/ j c" M- L, { dp.cNamedArgs = 0;& l W6 c) m4 D3 e
$ a/ J, c* S( v8 _6 g// Call IDispatch::Invoke()8 x% }, A8 I# R- g. m! B
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hr = m_pDisp->Invoke(
8 Z6 P. F% U0 T: r3 B pokeID,- G- o9 N: s3 x, Q; w* h. V) e7 @
IID_NULL,
/ E7 G2 ]2 U1 n5 o7 v, f! ]& M LOCALE_SYSTEM_DEFAULT,5 ? ]% O" d4 a
DISPATCH_METHOD,
% r- C/ P$ q; r( S+ ? &dp,
( @' U% l: B }2 x! X; I+ F NULL,
) p$ h( J2 m; v6 T( o &ei,
1 B+ ]5 a) Y6 V1 E7 ^3 b. V1 R7 q/ z &uiErr);
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SysFreeString(topicStr);& N, x. G' s" G+ G
SysFreeString(itemStr);7 z9 c, M2 j4 _4 i: L4 _7 ]
SysFreeString(valueStr);; B) j5 G- |! V5 V4 q
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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???
" N/ Z% f6 [2 q1 w4 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????: w4 Y$ ^& T* `! b
: ?8 J( i) `& i; ?/ {
0 }/ k& G$ W. ?4 |' [2.这是request的程序4 g* s! R8 a' r+ H- r; b+ L
// Request a value from Extend
4 c0 J, h& _& c w//
! U7 C0 q5 s, N- j3 Y; P// Initialize the variant that will hold the BSTR. Set the variant's
8 Y+ R8 K9 V3 G0 V1 p0 g0 z$ |// type flag to indicate the fact that this variant holds a BSTR. Place the. y' S/ O9 c/ r5 J' F0 S% `
// BSTR into the variant structure.$ X* O$ O Q% v9 L* \: ]
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. Q- J/ s: T$ ^/ z a
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 u3 o' ~4 g: L- _& c: `
VariantInit(&requestVariant[0]);
8 |- v, i' f5 B, X' F6 d, v requestVariant[0].vt = VT_BSTR;
% N- {$ q$ R9 Q) K9 X# K requestVariant[0].bstrVal = itemStr;0 E* `3 Q$ T2 z2 D, ^9 |) `! j
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topicStr = SysAllocString((WCHAR *) L"system");
8 b, v5 q Z. O! {' n VariantInit(&requestVariant[1]); ' u) J' U$ [- @+ v1 U" @2 c/ ]; e9 s
requestVariant[1].vt = VT_BSTR;) S* g$ B8 E; s7 m9 w- e8 y; I
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.5 V2 S1 z0 ~- l, {- ~5 `( F* i Y1 v
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dp2.rgvarg = requestVariant;- q" U( h7 U* @. V0 o( S- r
dp2.cArgs = 2;
9 V2 s$ h! o e( h; _+ b* ?# I& \' q dp2.rgdispidNamedArgs = NULL;
' e7 s( a0 _9 L; o& i! e' J dp2.cNamedArgs = 0;% B, S \& _. l; A# x. L' f! u
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var.vt = VT_EMPTY;! ?) r0 X! c \. k+ _; H& a
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke($ E" }6 w ?3 y) V! Z& T
requestID,2 X5 |3 O" A/ X# G
IID_NULL,& a( [ X6 M) i. j
LOCALE_SYSTEM_DEFAULT,
1 A b. T, T& ^& Q3 k/ V% |$ n! d DISPATCH_METHOD,
# K, D4 a5 F* M8 A J: I' ^ &dp2,
- ]% V# d B9 K$ D) [: q &var,0 H8 ^8 X9 Q' r
&ei,
, ]0 K, w* [( G( b &uiErr);3 U% a* J) I( ^7 f/ p9 V
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SysFreeString(topicStr);/ i d- F, W9 f3 `3 [
SysFreeString(itemStr);# F7 t) s# {' a
请问该程序是获得extend里面的哪个值?4 x) i `6 ^/ L
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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