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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:
6 G- s& Y$ S6 q" t8 i) g GName = (WCHAR *) L"Poke";0 e; U" T, v& e! ~4 X7 Q0 T
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hr = m_pDisp->GetIDsOfNames (
/ B0 O2 U% l# W: i% c; J2 a IID_NULL, // reserved
) H% v$ o& g- T& k &Name, // Array of names to get IDs for L4 E' [/ i& f4 j
1, // # of names in the array
9 f4 a( @( N: u+ r. t5 Y7 j LOCALE_SYSTEM_DEFAULT, // System locale
, C' e% u# \2 Z+ O7 E; m &pokeID); // Array of IDs to fill on output" B$ D1 Q& \! k3 B/ ^
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if (hr)
2 Y# w. g2 ?/ E$ @+ g3 Z" Y {
0 p$ H" _1 z+ ?, A e MessageBox ("Get Poke Unsuccessful");
8 V/ N* y* ?( p$ ] return;' z* r1 c j2 c
}5 ]4 ]; y5 N+ n. N0 H% W# K
5 |; G4 n8 n/ [8 }, @ z
/**************************传递数据给extend**************************************/
+ S+ H. _" o! @( t5 D pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ g K: a" U9 A: U, B- w
$ o2 v3 f. p& c! u I5 L: q
valueStr = SysAllocString((WCHAR *) L"1232");& o% o! W! A% p* T; D; _
VariantInit(&pokeVariant[0]);
1 B0 a# m" g2 i5 r: q pokeVariant[0].vt = VT_BSTR;: x. v6 J3 `/ h
pokeVariant[0].bstrVal = valueStr;% ^1 }$ F* D; f2 o6 v
6 ^( `! E7 {! m7 R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) H9 _) j0 Q w* m( e VariantInit(&pokeVariant[1]);
* [' I" W& u$ v pokeVariant[1].vt = VT_BSTR;" c9 f1 l W6 i. G. y2 c
pokeVariant[1].bstrVal = itemStr;0 w0 x! ~: P& y! Z9 v
2 P8 d; E' S8 [2 n topicStr = SysAllocString((WCHAR *) L"system");1 V" p; h+ A) S1 e
VariantInit(&pokeVariant[2]); 7 a1 E- `: s+ |9 r3 d$ }
pokeVariant[2].vt = VT_BSTR;
1 h7 s* ?: `+ @! G* \% O+ u pokeVariant[2].bstrVal = topicStr;
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# Y7 f# q9 c2 ^) B! w// Set the DISPPARAMS structure that holds the variant.
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7 {: S2 `- t; g5 N9 r- p) @ dp.rgvarg = pokeVariant;
# Q7 f' v+ p; k7 g4 d* j dp.cArgs = 3;
1 L5 E7 F3 Z" s; F- w dp.rgdispidNamedArgs = NULL;
1 r g. e7 u: Z0 L. q dp.cNamedArgs = 0;
4 h) w, T/ r- {, V8 ]6 `4 p& k0 `. n, p6 E* X
// Call IDispatch::Invoke()
- S6 v, V6 @+ R; T( W# i; l; x3 i, i7 o" C/ F" j+ n- L
hr = m_pDisp->Invoke(
2 R2 K% j) P! T/ C9 V pokeID,! v# |# L8 N5 Z* B9 R( `6 L3 N2 e
IID_NULL,8 S4 J# x5 _; C0 X
LOCALE_SYSTEM_DEFAULT,
/ V2 t3 V. C; j& M8 M: e DISPATCH_METHOD,4 T* e2 u9 T5 V) J7 M
&dp,7 o- H/ ]4 a6 S; p
NULL,# x, w/ n$ t9 d! E" b
&ei,$ f. E5 u7 r+ t$ ]: g7 O; g/ D
&uiErr);- N4 P4 G3 h$ C8 l. |
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SysFreeString(topicStr);
. |3 D/ Q" W9 t SysFreeString(itemStr);6 U& ?/ J# J r
SysFreeString(valueStr);4 W: ?" t' ]! S3 P
: z, c. e5 X, [# 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???
0 A x6 \0 L, j5 `: L7 ]. j, F# 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????8 S; U" u; o$ ]+ i; L3 `& X
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9 q. [* F; D3 U, K; ^2.这是request的程序
5 m+ G* w/ u# A0 v& b// Request a value from Extend
, A* J* ?* d3 ]7 D( Q//
# S7 r6 H: k6 s' ^+ I. W/ d% g// Initialize the variant that will hold the BSTR. Set the variant's3 U1 _2 a! D9 _$ n! v8 D
// type flag to indicate the fact that this variant holds a BSTR. Place the$ O2 o# k! j' t' l# Y
// BSTR into the variant structure.
+ q8 b, W+ p( D. n, p$ A6 K. D( A$ K- \
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! F0 r4 _$ M- T$ t L
/ K R4 A# t4 X3 Q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- r7 a* S6 c) I7 T VariantInit(&requestVariant[0]);
! i4 a! ^: o* d0 Z8 `: j requestVariant[0].vt = VT_BSTR;) x+ `! _; `9 S3 n9 ^- ~: T3 ]0 U$ o
requestVariant[0].bstrVal = itemStr;
+ c/ ~, K7 Q1 d/ I; c; [' d6 W/ U4 d" Z) H( k$ Z: \; D
topicStr = SysAllocString((WCHAR *) L"system");
* V2 R6 Y% R4 G# K5 a+ s4 b VariantInit(&requestVariant[1]); ; t1 `$ B: a' p
requestVariant[1].vt = VT_BSTR;6 T4 G* F3 ?2 w6 l
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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$ n1 F! U8 J) Y1 X8 J2 m$ `: t3 }8 w# [" A dp2.rgvarg = requestVariant;* _2 T: k4 `. F0 R
dp2.cArgs = 2;- e- ?6 b* P3 r) Q! B9 j5 |: U
dp2.rgdispidNamedArgs = NULL;7 c( i% R7 r5 O/ }% s1 y
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;- B. o- {; p4 B" w- R: n
( s5 n- n, Y9 K8 } t( s// Call IDispatch::Invoke()$ `! d* P5 [, s
2 {& J0 O% g/ Z
hr = m_pDisp->Invoke(2 v/ {4 I7 ^- }
requestID,
4 R5 B6 d( N$ s. t! U! h IID_NULL,
+ D P- C: l' z8 t% ~% [5 z) S LOCALE_SYSTEM_DEFAULT,
1 r3 c2 v& h9 n' y DISPATCH_METHOD,% T5 n: _) e9 e* j
&dp2,3 W, g/ I& w I8 E/ r5 R% l3 U
&var,
9 }2 l) ]* E" Y, q b0 l9 o &ei,
, ~2 Q1 Q; j/ m- a( L &uiErr);6 j0 t; ]' E8 w+ L7 v9 M
* J/ v: R% n. A2 Q0 N/ } SysFreeString(topicStr);* x; C& U5 U m$ S0 @
SysFreeString(itemStr);
- Q" d; |- h x+ q, U ?- b请问该程序是获得extend里面的哪个值?+ y9 V# C" e/ {8 b+ k% ^
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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