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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:! X0 O+ M$ J8 x, v; V" g* p7 C
Name = (WCHAR *) L"Poke";; A4 K3 `4 O" r' m7 j }" D) e2 t
0 T3 ^# v) w& w% h hr = m_pDisp->GetIDsOfNames (: \4 C! _- u1 A" s. Z2 p! l) |! Z
IID_NULL, // reserved+ b3 [0 V* A6 G( a3 F+ o9 x9 M; O
&Name, // Array of names to get IDs for
! m5 B4 E u' \0 K/ ]$ M0 o5 T0 O 1, // # of names in the array
2 N# Y& ^& Z! c+ h$ p+ l" n LOCALE_SYSTEM_DEFAULT, // System locale
+ ^' \0 v- L) e- G- a &pokeID); // Array of IDs to fill on output9 b9 g$ q8 M% l: K3 s
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if (hr)) J# ]0 ]. p% Q! s, A K/ f, X% M
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MessageBox ("Get Poke Unsuccessful");4 T9 z2 _2 a, V$ f
return;
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/**************************传递数据给extend**************************************/9 ~: M2 I6 P% b' \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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& U+ k* j$ ?% x; C, \ L( _! V' B, | valueStr = SysAllocString((WCHAR *) L"1232");. S0 n9 j8 N9 v1 f9 C" z2 S
VariantInit(&pokeVariant[0]); 6 D9 @7 G; n6 s' J; W0 l! r: M
pokeVariant[0].vt = VT_BSTR;6 [8 O4 Y4 o: u7 S
pokeVariant[0].bstrVal = valueStr;9 {) D; w0 \2 s& @4 F
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 s5 ~5 O1 J3 ?% N: B% i6 y3 {
VariantInit(&pokeVariant[1]);
1 v$ R2 V1 r" \" X \: v pokeVariant[1].vt = VT_BSTR;
$ x& ?# O0 O9 ?5 s pokeVariant[1].bstrVal = itemStr;3 [5 G- c, e+ U4 R
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topicStr = SysAllocString((WCHAR *) L"system");8 @5 m3 H Q+ p! O m+ ^" m
VariantInit(&pokeVariant[2]); : [4 u" |# j/ d: m% Q! E; D
pokeVariant[2].vt = VT_BSTR;9 B7 m" |% W* i @7 i7 @* z
pokeVariant[2].bstrVal = topicStr;, C# J4 J! W5 ]) o' Z& e0 Q
8 O/ b3 V1 [ y2 S- a, b5 ^. k// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
* E* H4 L+ E% E( y dp.cArgs = 3;
0 G7 @( [6 o' |# Y$ C+ c/ y dp.rgdispidNamedArgs = NULL;- e. H, R; r9 t6 E! R5 C# Q
dp.cNamedArgs = 0;% g5 P9 [' l& ~0 [4 q/ {
3 h; m' q' F1 P// Call IDispatch::Invoke()
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6 ^6 a- I% g8 O- j3 I/ R* k& ^ hr = m_pDisp->Invoke(: F. q }* d: Q. W
pokeID,
! f' T( n1 W/ i/ r/ v IID_NULL,
, L m) e7 M1 {( p; t D LOCALE_SYSTEM_DEFAULT,. Z6 j9 O) d1 f; Y
DISPATCH_METHOD,1 ^6 H; f8 d D5 o
&dp,# `2 E# y0 L( ~4 c+ B" s
NULL,
/ y0 ]8 c% ?$ M* _$ F9 @ &ei,
; y' a* m. h. d+ K; B &uiErr);
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* F$ F/ L/ a6 }+ D2 b, x" ]/ g SysFreeString(topicStr);, d' A. x& Y8 |9 p, [6 ]
SysFreeString(itemStr);' j, V: {9 |0 A5 @# ^
SysFreeString(valueStr);5 K a$ h- @4 X/ I5 {: X
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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???
- t7 [6 z5 ~0 _$ a: a4 x: C3 m# ]8 _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8 R. q( T* |/ O1 G- I5 y
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's5 m# b1 [9 b! C1 O, y( J/ C3 X9 Z
// type flag to indicate the fact that this variant holds a BSTR. Place the
4 @7 L0 g" A0 P6 y* }9 |' A0 X// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" B S' w: `/ G) L# z5 O0 O# _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 v7 l' |. k) I6 K VariantInit(&requestVariant[0]);
$ ], k6 F* Z* k& c9 t' ? requestVariant[0].vt = VT_BSTR;
; x5 N( j3 w }; Z( u8 E" q requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
) m6 t- p& a/ w1 k7 W% P0 q! ] VariantInit(&requestVariant[1]);
3 p' a) t/ V' [. _8 I: O requestVariant[1].vt = VT_BSTR;
# ?% z- [- B0 S# w requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.. e+ l+ e- P: H) I
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dp2.rgvarg = requestVariant;& T7 E+ _9 m% N' [
dp2.cArgs = 2;- ^4 q6 l, ]7 z" h
dp2.rgdispidNamedArgs = NULL;# m& o; l) J! w) S# z- R, A# N
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
0 Q- W) y5 f3 c$ O requestID,. B' v/ l. K. B% |: h
IID_NULL,
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DISPATCH_METHOD,+ n2 Z+ M! j+ |1 V+ b& k
&dp2," v1 O' X1 O2 u
&var,# W7 Q2 s& D( @
&ei,- l" k, h6 a3 o
&uiErr);
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SysFreeString(topicStr);
- Y7 [1 f( L3 @' ^0 u$ \% | SysFreeString(itemStr);
) A4 G* R1 G2 H6 ] G) N, d请问该程序是获得extend里面的哪个值?! p) \8 p' P- x8 e3 o8 U) C
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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