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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:% V, }2 b4 i) j5 ^8 o8 S
Name = (WCHAR *) L"Poke";
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3 _! ?9 q1 F6 U' W hr = m_pDisp->GetIDsOfNames () y2 u# W3 O1 O* U
IID_NULL, // reserved
j g" v2 s( [; T+ G8 {! d &Name, // Array of names to get IDs for# z) c3 @' e1 ~5 C- {$ i
1, // # of names in the array' U. n1 d& g! K6 P' D" } D
LOCALE_SYSTEM_DEFAULT, // System locale1 ^; }# A# V$ H; |
&pokeID); // Array of IDs to fill on output
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if (hr)4 f* P; t* A6 s. K
{
4 a* |" c ?8 Y0 F! l! c6 E4 r% _ MessageBox ("Get Poke Unsuccessful");
8 @9 X+ |( j) R! l; K' d, g return;" H |7 t7 D3 p1 k
}; `: A4 h8 }4 a5 j
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/**************************传递数据给extend**************************************/
9 @& k" e- q3 v, z8 h X1 r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");. @; R. F/ Y2 A; L9 |" b
VariantInit(&pokeVariant[0]); , J y3 r4 C* c |. k7 @5 j8 i
pokeVariant[0].vt = VT_BSTR; i1 }" Y/ {! W& ~4 R+ R+ `
pokeVariant[0].bstrVal = valueStr;% S( J, _2 ~; M) S' k L" q
8 P5 Y- t6 ], s0 Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 Z4 m6 f+ X' Z' \7 ~! ?, R2 t+ w VariantInit(&pokeVariant[1]); , U+ p p# z8 u0 ^
pokeVariant[1].vt = VT_BSTR;! U: ^7 ~2 }7 b8 d P; s( Y; [
pokeVariant[1].bstrVal = itemStr;0 ?& Y0 A4 I7 J# X6 Y8 g I9 w
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topicStr = SysAllocString((WCHAR *) L"system");/ @7 t6 U# p3 ?/ G5 ~- Q6 s% M @
VariantInit(&pokeVariant[2]);
" H+ v7 a G0 g" |8 O pokeVariant[2].vt = VT_BSTR;+ B& T/ L6 a! |& A+ F# c
pokeVariant[2].bstrVal = topicStr;5 N$ A1 R: S8 Z& a
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// Set the DISPPARAMS structure that holds the variant.
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7 c2 K) x# t9 H4 J& _! X dp.rgvarg = pokeVariant;9 |! N2 c' K3 Y2 K! U# U
dp.cArgs = 3;
8 t1 d" X3 B* j- B7 S3 a) _ dp.rgdispidNamedArgs = NULL;) i* D9 A/ T: O
dp.cNamedArgs = 0;- t7 ]% W% {: k6 t4 W( T
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// Call IDispatch::Invoke(). R' k: L$ l) ?) d5 E: m
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hr = m_pDisp->Invoke(; p4 Q% t& ^9 R
pokeID,
1 ?( Y% V5 `* l6 Z# R IID_NULL,
( u' e' Q3 S' s( B0 d, l: K LOCALE_SYSTEM_DEFAULT, p8 ~& @, ]. w& h: g. E. B
DISPATCH_METHOD,
0 a- V: Z; h- z! Q! g% E &dp,
+ ] D- z; Q3 o0 v; p NULL,
+ U+ {' v8 v: o/ E% w &ei,6 M y3 I0 u$ j2 A3 H
&uiErr);
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9 j0 Y4 x9 p+ H6 M9 B SysFreeString(topicStr);
1 U( {3 C7 z) ^+ R7 `+ Y, s SysFreeString(itemStr);$ H. ]- ] G' v1 y1 c; [, J% a0 K
SysFreeString(valueStr);
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6 I1 d1 u2 Q8 t" m. O w& J |4 K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???. D; L! B/ ]6 E5 \
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????! }' n+ f6 H- F4 H+ m% u5 a( |6 b Q
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2.这是request的程序
1 e W' f1 e# Q5 g& z7 R// Request a value from Extend
. t- v- E( Q: z5 m//
* r. w9 ?, @% N6 ?8 U* @- z* N// Initialize the variant that will hold the BSTR. Set the variant's
" r7 ^! h- M, {! d3 k7 w// type flag to indicate the fact that this variant holds a BSTR. Place the, `! V6 G+ l5 b ~/ e9 R$ @
// BSTR into the variant structure.! e- X3 u8 `- }6 ]
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: x! |, v3 x- N l N* |, p VariantInit(&requestVariant[0]); , g' Y' z& a3 P ^
requestVariant[0].vt = VT_BSTR;
/ H& Z) B4 i2 o8 g requestVariant[0].bstrVal = itemStr;9 B' U3 K/ F+ z+ i. M
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topicStr = SysAllocString((WCHAR *) L"system");7 J2 }. p* u5 V4 i) k
VariantInit(&requestVariant[1]); 5 c, A9 c4 n2 d8 R* v) H
requestVariant[1].vt = VT_BSTR;
4 Q& E1 Z# D5 O+ u O+ ?# Z) p requestVariant[1].bstrVal = topicStr;
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$ ~& d6 ?0 q- e a// Set the DISPPARAMS structure that holds the variant.
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3 B' d$ \) O3 L! P, \ dp2.rgvarg = requestVariant;
) d! L" o; V4 U" u dp2.cArgs = 2;9 D4 |" d! x+ |9 C
dp2.rgdispidNamedArgs = NULL;
! ?( T, K4 @" t$ i 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(; ?4 m' T" V f+ X" X
requestID,; b7 o3 o4 J2 L! M9 W
IID_NULL,
) l8 `* _+ o8 Q: f0 D+ K LOCALE_SYSTEM_DEFAULT,7 | H8 k5 q. t% O5 J
DISPATCH_METHOD,# c: e+ \: V4 b1 G) a4 T4 s5 I
&dp2,' K' I& ]8 P: F% X$ K; h6 k# L
&var,
* ^$ a" W4 ]+ N4 A3 e+ Q# _ &ei,: |2 u; k/ h K
&uiErr);: A; {. S2 q, \$ ?" [
1 V+ ^ V7 P$ h) G5 j0 R# Q SysFreeString(topicStr);0 D9 J3 Z4 X& G1 R( l" _7 r& k9 V
SysFreeString(itemStr);
2 ^5 r6 ^; s) K0 l( D+ J. `请问该程序是获得extend里面的哪个值?3 {+ K8 i" P: f4 A% D8 i
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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