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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:- @ V1 Z1 F. x7 }* D
Name = (WCHAR *) L"Poke";5 P8 X7 A: D3 T% o
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hr = m_pDisp->GetIDsOfNames (
9 Z7 Z3 [4 j, f! X e IID_NULL, // reserved
* r) P; G) t. X+ D6 g4 M &Name, // Array of names to get IDs for3 e4 O" x) q" g# i3 Z
1, // # of names in the array
+ ]1 l# g+ c, o7 l1 t LOCALE_SYSTEM_DEFAULT, // System locale
" V9 ~3 Z; A, ]1 I &pokeID); // Array of IDs to fill on output$ {) V8 e B5 s0 q
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if (hr)3 `0 T7 c( w- U0 [* E& p
{7 [# w; w: E2 Q* a; i7 \
MessageBox ("Get Poke Unsuccessful");9 h5 V5 t# i3 I( G/ ~" P6 q, R- u
return;2 F9 `. `# \' d
}
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; g |" i) n. N- h+ Z; H/**************************传递数据给extend**************************************/% V4 R5 Q% i9 q$ u4 V- _ h
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ E1 Y, x; g' T4 c$ a) U% U
* d2 g9 M2 H I% C3 Q valueStr = SysAllocString((WCHAR *) L"1232");) k F" C" \4 @$ t3 A" n7 d7 W
VariantInit(&pokeVariant[0]);
3 z1 C- M& Y% _1 O pokeVariant[0].vt = VT_BSTR;
% ~; c) V6 Y( h& W' D8 _, s$ x pokeVariant[0].bstrVal = valueStr;; t' [' h$ P& O! D/ b
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 s/ G% u8 H2 Q/ M) W+ {
VariantInit(&pokeVariant[1]);
$ B5 z) U- l& e H# J pokeVariant[1].vt = VT_BSTR;
8 x" Z0 j1 U- @9 s& D! V4 Y+ v1 _ pokeVariant[1].bstrVal = itemStr;
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+ o' a: {; w- y5 E! p topicStr = SysAllocString((WCHAR *) L"system");$ G) ^. U$ m, Y3 {
VariantInit(&pokeVariant[2]);
+ u p+ D. N. l4 Q* Q5 q0 D1 e pokeVariant[2].vt = VT_BSTR;* N0 A4 l3 O0 @" w- }& q
pokeVariant[2].bstrVal = topicStr;1 }* Q3 j$ f/ r
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// Set the DISPPARAMS structure that holds the variant.
# a7 F2 _7 }, r- f' t4 A3 E5 I: {$ [$ \/ F6 B" }
dp.rgvarg = pokeVariant;
9 Z9 p* I8 o% C* P: E9 o+ J dp.cArgs = 3;
$ Y4 C6 D* S$ \9 G/ A4 F dp.rgdispidNamedArgs = NULL;
! V" x/ j. Y1 q. ?! I dp.cNamedArgs = 0;
2 S3 L- L* y/ B1 R" ]4 N& ^
. C1 @4 y6 u& c2 L// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
3 l2 E1 ^( A H, ?! R pokeID,
( ]& d* A: K* I0 Y: e IID_NULL,
* H. O' {( E6 ~! U0 @: X; p LOCALE_SYSTEM_DEFAULT,: c* p6 x S; D3 ?9 r1 T% k
DISPATCH_METHOD,
8 }- L3 o4 T3 c &dp, f' D/ G# L4 o w1 J- C! X) i
NULL,
! O- U# ~' p% w9 I &ei,) s0 s5 r- ^% E1 e$ c% ]& W
&uiErr);
+ [8 U; ^) X \6 f2 l, |; x6 U; z' D( k0 [+ }) E
SysFreeString(topicStr);
' o# ?) o9 I$ I' P J* P SysFreeString(itemStr);9 A, N, H! D9 \9 F( G D4 O
SysFreeString(valueStr);' y5 ~! {5 v: {$ M/ x
, H _+ x6 @+ p, r. ^! J
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???2 |, w" Z- h; r
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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3 `9 d2 `" [( S6 S- f7 }- P$ a
2.这是request的程序3 z5 e* |' n! y4 m6 d5 V
// Request a value from Extend' R4 k/ o% D& F
//
3 E. {* L) a4 k' o// Initialize the variant that will hold the BSTR. Set the variant's
1 p6 b( b2 p: Y+ _$ t// type flag to indicate the fact that this variant holds a BSTR. Place the' L; j; E' K5 V
// BSTR into the variant structure.
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( r7 p4 J3 M; K ^2 ?* O$ p requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
/ o6 @0 o& I) N* V: Z- }
! n& Z- G q- S. o; F0 I2 M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ _0 G0 t7 L$ v0 ?
VariantInit(&requestVariant[0]);
' Z$ `; {) }2 x0 l- o requestVariant[0].vt = VT_BSTR;
& K- \' G, P, E& _4 e" w requestVariant[0].bstrVal = itemStr;5 X; I( K( l+ m. N
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topicStr = SysAllocString((WCHAR *) L"system");
5 y. l* D% L9 V* K7 H VariantInit(&requestVariant[1]); / Q5 X( a1 [+ `" @/ {
requestVariant[1].vt = VT_BSTR;
0 w$ @: F! W% ]+ e3 `+ G requestVariant[1].bstrVal = topicStr;
' \0 ~ T3 X7 e4 `1 _
5 t& y$ G! P: M5 \// Set the DISPPARAMS structure that holds the variant.1 N* `! D9 Q( `4 A
& U) L9 h$ @6 j8 w3 A. K dp2.rgvarg = requestVariant;
& Q. [2 p7 T# c dp2.cArgs = 2;
$ V9 u2 t/ p; C4 \9 _. i( y dp2.rgdispidNamedArgs = NULL;7 P7 N' m0 h# H$ Q2 u1 d, z9 q
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;: G3 D# A/ Z& v$ A1 d* y8 t
2 l/ l* X Z1 B+ g; s2 l* x// Call IDispatch::Invoke()) S5 i' M V+ _: z
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hr = m_pDisp->Invoke(4 c2 \# }7 P8 T3 f
requestID,
# M( ]& x+ e% m" w8 P4 q IID_NULL,
0 e) C7 P$ |( ~3 D8 n" } LOCALE_SYSTEM_DEFAULT,0 G5 k1 k6 Z5 |
DISPATCH_METHOD,# U" b( }& s, S0 \
&dp2,, b5 m" ?, ]! q. b" X
&var,
+ e% c* y* a8 e8 Q& j+ j &ei,
# u9 u2 f" k2 U" i& }0 o! O8 e &uiErr);
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SysFreeString(topicStr);
- ?; L. p8 h% \3 k! i3 ~ SysFreeString(itemStr);' Q9 k/ ^7 I- M/ E8 F
请问该程序是获得extend里面的哪个值?
) B, m) D4 u: r% f1 }# T7 c8 _/ W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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