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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:* x9 t7 G+ `) v% S" d6 P
Name = (WCHAR *) L"Poke";* `* g; C- u8 a8 k J4 S
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hr = m_pDisp->GetIDsOfNames (
H* x9 F7 y1 b' \6 l IID_NULL, // reserved2 Z" n- j& K! ^ K
&Name, // Array of names to get IDs for
9 P) x. D4 V+ L/ P 1, // # of names in the array" P' r+ ]* {3 D8 B) {6 |
LOCALE_SYSTEM_DEFAULT, // System locale0 T. o( z6 T$ h X
&pokeID); // Array of IDs to fill on output
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if (hr)! x6 }. T D$ c9 \: N+ [
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MessageBox ("Get Poke Unsuccessful");
0 p J9 z+ ]& g( u return;( K- v2 o( r7 U9 i
}
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/**************************传递数据给extend**************************************/
. _1 X2 h" J0 Y# I/ ]% k pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");' ~& a. S, q& x: Z) i( O. a
VariantInit(&pokeVariant[0]);
* R. D3 [: V7 E8 V% j pokeVariant[0].vt = VT_BSTR;0 x4 q0 j1 g$ N$ N* R0 L% }8 |
pokeVariant[0].bstrVal = valueStr;( ]. p+ ?5 m6 p2 H1 q( v w
0 U6 c( i$ g! ?3 Y/ b4 S6 K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' B: S. |0 m6 @2 B2 G9 E) ]
VariantInit(&pokeVariant[1]);
* N6 Y; [2 |5 \, B3 Y( k4 k5 d$ w pokeVariant[1].vt = VT_BSTR;# D i' \0 f- X1 g6 I3 H, j0 ?& a
pokeVariant[1].bstrVal = itemStr;0 M: z5 g" B8 n& }! Q9 d
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topicStr = SysAllocString((WCHAR *) L"system");' Y" q) R( I z1 v* r
VariantInit(&pokeVariant[2]);
5 O+ b9 p2 d' [2 _ pokeVariant[2].vt = VT_BSTR;
- {! R( p: ?) d) ]$ f1 _ pokeVariant[2].bstrVal = topicStr;( q4 _ H8 o6 o1 t
( B) s7 i) O9 g" k( {// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;* `% {+ \9 P: O' z$ y
dp.cArgs = 3;
2 B- [- V2 q' \, w! p: B3 m dp.rgdispidNamedArgs = NULL;% K; y+ u6 M* p" F, W/ A6 o+ i, b
dp.cNamedArgs = 0;" u: h/ p( Z6 ~0 j1 _/ Z& `
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// Call IDispatch::Invoke(). |; q% j$ {- U. Q. z
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hr = m_pDisp->Invoke(
) S }- R* b3 k* t! o& `3 I! e pokeID,
1 I& e8 ~( z& ^/ d1 R+ d/ Z/ }( _3 T, D IID_NULL,
! E$ X# Y4 e( g* Q2 S- J* q LOCALE_SYSTEM_DEFAULT," t! D8 k' U) O3 Z7 x" p; g8 ?
DISPATCH_METHOD,0 k- X3 S. {$ B1 ]/ P
&dp,
, b- S R: \, V NULL,
& ?1 _7 L; R- x n6 v3 n &ei,
. M5 ^' d5 Q; V2 B3 z6 O &uiErr);
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SysFreeString(topicStr);+ n) Y; Q, e: ]; h. _, V o9 \
SysFreeString(itemStr);
3 b( |9 C+ W7 X: Z- j9 |# d# g& A$ u SysFreeString(valueStr);( z6 A7 P- [5 J0 c
$ D, [" [0 T) a
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???
+ m* v* R( T5 [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????. A8 B( b# \' i4 ^( Z
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2.这是request的程序
7 A' D- \( t& c5 \# |// Request a value from Extend# R) Q# {- T: w, v, N1 y1 ?
//$ b: Y% ^2 e$ ]% ^+ o
// Initialize the variant that will hold the BSTR. Set the variant's& c% D; N" H* F# W6 c
// type flag to indicate the fact that this variant holds a BSTR. Place the6 m) \( M3 O3 ]( w# I3 Z
// BSTR into the variant structure.; Q' Z8 o2 Z3 f8 |
$ z* j- l$ i1 Q5 ] requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! A7 G0 E) _8 Z4 ^- Y
: i, ?8 K Q% q3 i/ J) T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& F4 ^+ ?2 ^2 R* a VariantInit(&requestVariant[0]);
7 z$ }" R0 o2 m D) G8 G requestVariant[0].vt = VT_BSTR;+ ?2 n# W# {. }$ {$ z! o
requestVariant[0].bstrVal = itemStr;
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' S: X- F: _5 i9 `# j" t. G% R topicStr = SysAllocString((WCHAR *) L"system");: @' U/ X l% a: A
VariantInit(&requestVariant[1]); : A$ X# F. C3 B* N' Y0 w+ B
requestVariant[1].vt = VT_BSTR;. O n) j t' S& ?
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ s/ q$ H$ ?+ O0 _; B# d/ `
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dp2.rgvarg = requestVariant;) m; \1 J* S5 {# }8 n6 f5 o
dp2.cArgs = 2;6 C+ @' L1 F/ y' O% ^7 A3 F7 `
dp2.rgdispidNamedArgs = NULL;+ i5 }3 v- o. b: }3 w+ v
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()9 ^* p3 n" a$ w( }( K
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hr = m_pDisp->Invoke(4 F0 z* Q6 z( o1 x% P% x) H2 h
requestID,
# N& O8 X) u3 B1 x IID_NULL,
7 ?' g3 C- J& S LOCALE_SYSTEM_DEFAULT,
8 k1 W# C9 K- |0 R8 e DISPATCH_METHOD,
# k4 z" G) i0 ]! a* u2 L &dp2,' z3 W% |1 A" ]# a5 x
&var,' {1 J3 [7 f. s' f) m2 u
&ei,+ i) t1 @' P/ H) V- [6 Y
&uiErr);& e- Y: D) N* T
5 M; u% p0 i3 _; N& |" U _ SysFreeString(topicStr);
3 f' i) ~0 u: J) H0 g0 M: ^ SysFreeString(itemStr);
( N' u `/ V3 H" A4 X9 [0 O请问该程序是获得extend里面的哪个值?
2 I; @/ w7 D' G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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