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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 a- `. `' X# t/ v
Name = (WCHAR *) L"Poke";- e2 R+ p2 C. w* a6 L/ V, }, k
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hr = m_pDisp->GetIDsOfNames (* c. N: M" a1 }) \
IID_NULL, // reserved
6 H1 A c" G; ~4 p3 |3 C7 }3 V &Name, // Array of names to get IDs for
. _8 {' E7 r2 P8 m" @! p$ m 1, // # of names in the array
" T7 e: t1 Z5 Q LOCALE_SYSTEM_DEFAULT, // System locale
6 I1 g: [/ T X/ ?; G) ^9 l" \ &pokeID); // Array of IDs to fill on output
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3 m/ B, [: @6 x4 q/ P8 H. M) j if (hr)
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MessageBox ("Get Poke Unsuccessful");8 G7 z, ?% y+ O
return;
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( }2 ~; X B% S5 R/**************************传递数据给extend**************************************/
3 N+ ?( e: _% L& m2 [5 {8 } pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% G Q: D$ F0 l5 }5 H
' F; Q) f# Z9 S# v3 n valueStr = SysAllocString((WCHAR *) L"1232");& M( ^$ D" }1 Y
VariantInit(&pokeVariant[0]);
5 H, s- L: f2 f# r. I+ e; C2 p5 ~8 g pokeVariant[0].vt = VT_BSTR;) X9 H. |# [1 c! l4 _
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: j/ M j$ z( n4 J# n VariantInit(&pokeVariant[1]); - S+ H" R0 u; U$ I
pokeVariant[1].vt = VT_BSTR;
, l e. S- J* q6 J* Q3 A' K8 D- z7 O pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
q* X6 [, u1 [3 v0 _ VariantInit(&pokeVariant[2]); 2 \4 X' T8 P+ ?* @1 n$ d
pokeVariant[2].vt = VT_BSTR;
% I2 v$ R. {- U1 Y9 S4 Y pokeVariant[2].bstrVal = topicStr;3 R5 r6 z: Q6 Q2 z$ s1 H0 Y; ^4 Q
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// Set the DISPPARAMS structure that holds the variant.
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) P' w Z" K1 u9 A( }6 P5 q. E l' c dp.rgvarg = pokeVariant;
4 o# W; ~& T4 p5 U8 Q+ Q. r) D% D8 n dp.cArgs = 3;
8 [' X4 `; }8 d a8 e dp.rgdispidNamedArgs = NULL;) U) Q/ V. ?$ [ p
dp.cNamedArgs = 0;: i. N3 s! S* H$ [: C: M8 Z, i
4 `4 ?! s! Y: ~" a1 w// Call IDispatch::Invoke()" z! H+ Z) z. h1 O( R
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hr = m_pDisp->Invoke(4 Z; M1 C, F }) y( D) R
pokeID, Y, {4 s) m+ \8 G, r
IID_NULL,) j% a- T# b, j( d# t
LOCALE_SYSTEM_DEFAULT,
$ N4 @, Y, P, C+ ~' [8 q DISPATCH_METHOD,
- D( e* x5 `. t% x9 z# P: r* z &dp,
- `1 A I k, F* S! P, N6 L NULL,
, K4 z& }; Q- t/ ^6 S &ei,
1 R. ~; d+ k1 {5 f" ^8 ] &uiErr);- b* \2 ], m4 L. E9 a( { W/ `3 o
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SysFreeString(topicStr);
\1 w% E+ t5 }5 ]% q" i/ ?$ m SysFreeString(itemStr);% N$ x3 G; |) _$ A3 f( Z$ ]( e
SysFreeString(valueStr);
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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???- L, T, ]* m+ V9 P9 A& t# }1 K
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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* g" A4 K8 V, {( g2 Z2.这是request的程序0 N& j. ~9 q2 C" R
// Request a value from Extend4 N, v1 `: T2 ]& Y7 Y0 K4 a- h* m
//8 V& ^& B) R6 z0 J) K
// Initialize the variant that will hold the BSTR. Set the variant's
3 \ T$ ?( I: B; i% x5 r5 ?# N// type flag to indicate the fact that this variant holds a BSTR. Place the- H5 I0 ?" h/ |/ C! o
// BSTR into the variant structure.
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% ?. {: w5 d$ e requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 h; R' W- Y4 c$ u, D. E- F) U
. D- G+ k6 b$ v: d4 R7 Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 a. {" W# j9 [5 y5 D9 d( e- g, o VariantInit(&requestVariant[0]);
" ~3 E( {8 M1 R( O) @& Y3 k requestVariant[0].vt = VT_BSTR;5 X" {2 W- Z! I+ F V
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");# z- w+ l+ \9 E( r: U
VariantInit(&requestVariant[1]);
2 I5 L. T1 R4 t2 e/ Z& }0 x' P) S* A requestVariant[1].vt = VT_BSTR;
* F9 V0 |" n6 C9 n requestVariant[1].bstrVal = topicStr;: H6 W. R3 P9 R* L
8 S! I) Q# F X2 O3 Y// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;, [' ^4 l, R- G0 r1 G
dp2.cArgs = 2;. F. x6 O _! ?2 {* b' d3 y) ~# y; r/ f
dp2.rgdispidNamedArgs = NULL;; t* P( U2 n2 s
dp2.cNamedArgs = 0;
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0 p h' k# Z+ I% B# S# h; { var.vt = VT_EMPTY;" f1 @" X5 {4 t4 D* b" A
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// Call IDispatch::Invoke(): M d' Y2 e2 @) s5 W+ u5 i8 L
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hr = m_pDisp->Invoke(8 v6 D; \8 k) Y$ c
requestID,/ A% L5 e; ]) W- |! I! L1 U
IID_NULL,
. _) P9 X3 E+ k3 `: a: c- d LOCALE_SYSTEM_DEFAULT,$ D: U$ s( {" _' ^) k( m3 o
DISPATCH_METHOD,
6 p- G/ _+ U, C/ M &dp2,+ p$ P4 f, c+ F: A+ u- U: Y+ J9 w
&var,
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&uiErr);
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/ p: ?- o' k: Z4 N( k1 ]4 G SysFreeString(topicStr);
3 n$ |' J1 P1 p7 ?3 ~ SysFreeString(itemStr); ]* l. k+ Z' f7 X3 |
请问该程序是获得extend里面的哪个值?- p; Q2 k, T- W( F6 ^. u7 `
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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