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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:
o% ^6 P/ b# y' x9 XName = (WCHAR *) L"Poke";) L. ?9 y3 d% X5 p8 o7 \/ l# Y% i
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hr = m_pDisp->GetIDsOfNames (
f* I- p; x ? IID_NULL, // reserved0 {" t: \6 A1 u8 T7 y; W7 L
&Name, // Array of names to get IDs for' t5 m" d# K, C9 F8 C4 I
1, // # of names in the array e% p) [2 h! V* R
LOCALE_SYSTEM_DEFAULT, // System locale/ l: |3 H6 A, P4 i
&pokeID); // Array of IDs to fill on output
+ x/ }0 s* f: H
* F1 L* x1 p4 R4 T/ _ if (hr)5 b" n: X. a- s. k' d d
{
2 k8 i1 U m8 |; ?, Y; @% | _ MessageBox ("Get Poke Unsuccessful");6 U3 K6 j% u* D
return;
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/**************************传递数据给extend**************************************/& Y" k# V# ` u; a: u! D
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 l1 k7 o' N* I* R
# ~: }5 W" L% M/ y [; [1 x valueStr = SysAllocString((WCHAR *) L"1232");' M' F" y/ [$ V# L. |* L( C
VariantInit(&pokeVariant[0]); 5 v1 L; n) @9 h) r+ V) L4 v) H
pokeVariant[0].vt = VT_BSTR;4 o( g- }. [1 X; x" Q9 X
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 V: R. C% @' s5 a6 I, _/ g2 H2 a
VariantInit(&pokeVariant[1]); - K2 j0 f% p- ?+ b4 P; B8 W1 `
pokeVariant[1].vt = VT_BSTR;
5 A4 O6 t$ J8 J8 ?4 z L+ ]6 K pokeVariant[1].bstrVal = itemStr;9 P( j3 v" ?6 f- |; E% x1 `& `. }
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topicStr = SysAllocString((WCHAR *) L"system");
% V- d6 `$ e- x) y; ?: F VariantInit(&pokeVariant[2]); * r- h+ O% j5 {' I3 T E7 {
pokeVariant[2].vt = VT_BSTR;
6 _ l9 v0 l% M! w! y0 u* j# f0 B pokeVariant[2].bstrVal = topicStr;. g9 b, A' n: v. C
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// Set the DISPPARAMS structure that holds the variant.
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2 e' A$ R# B, ~: t dp.rgvarg = pokeVariant;
: D5 F V! [0 r* @$ w dp.cArgs = 3;" ~3 p6 P2 i; X6 X
dp.rgdispidNamedArgs = NULL;) ?* m( W0 y: q% Z9 q* K
dp.cNamedArgs = 0;
/ D, C o% g2 Q' B) M) g0 m/ S
& `. B- F7 W i$ W// Call IDispatch::Invoke()1 _4 U- @ l! N7 H' R
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hr = m_pDisp->Invoke(
+ g5 {7 ~; W9 B& [5 ~ pokeID,
6 \& S; C- v1 J$ n IID_NULL,, v0 O# ~/ _# Q0 L% H0 Q
LOCALE_SYSTEM_DEFAULT,
' i ]% E" ?& f& e DISPATCH_METHOD,
% d3 U" J* n, w7 a! ^/ q( |4 U &dp,
7 M, t/ P, P9 u5 r/ M4 Y1 \0 C NULL,; `- N5 ^ }5 ~" ^( U
&ei,
0 @/ O* q) \0 ^" s. J n &uiErr);1 d+ o5 x) ]3 P7 V/ q
# Z9 z7 `( j6 Y: M5 u
SysFreeString(topicStr);
7 I* e9 b2 P8 O0 U3 U- P SysFreeString(itemStr);
+ H4 E5 q/ J( n, ]* M5 |, p8 Q SysFreeString(valueStr);. h# I, }! t9 j$ z% C' T1 q
7 f f) ]- e0 O5 t; V2 d
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???) x' D! K7 g3 H" ]" S6 q
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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6 o' w! u9 B* K0 @2.这是request的程序
& g! ?! J: X! x1 |3 W. y5 J// Request a value from Extend
+ H" _* g, `: [1 q2 N* {//
5 N* `& k; K2 z- v/ z; b// Initialize the variant that will hold the BSTR. Set the variant's
E. X4 `- z7 t U" R1 F# y// type flag to indicate the fact that this variant holds a BSTR. Place the
1 @! S9 G- O+ k% j4 j8 G// BSTR into the variant structure.
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- i3 I0 r8 _" h4 T: ~+ N) N requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 b; V7 \: I7 M E8 Q4 N. s VariantInit(&requestVariant[0]); # H8 _" E5 g* \5 z/ I: y
requestVariant[0].vt = VT_BSTR;
8 o$ I6 {. t& _ q requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");# z/ q0 j( C, _& z2 W3 ?
VariantInit(&requestVariant[1]);
* _1 _/ A( N7 p' a6 B requestVariant[1].vt = VT_BSTR;
2 C$ {8 f1 o% y, H requestVariant[1].bstrVal = topicStr;, }4 q3 E) Y: Q9 l, J9 i7 g
5 K) G6 J9 F/ H9 W3 a* f// Set the DISPPARAMS structure that holds the variant.
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( n8 L v; c& H$ _ dp2.rgvarg = requestVariant;
/ ^. r$ S* C/ l( h' x# A dp2.cArgs = 2;
k. s$ u# O( ]3 X; T2 z5 u dp2.rgdispidNamedArgs = NULL;
d' ~, V% q5 T n7 Q0 [ dp2.cNamedArgs = 0;- ^( n6 ]4 x+ u- R* S& R
* o1 W$ w* Z; c8 W var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
; H1 D! s8 r4 c. g requestID,5 W# [) U. Q, o! ]0 r p
IID_NULL,* u, B5 g6 w$ L. |' @2 Y
LOCALE_SYSTEM_DEFAULT,; T6 g8 Q e% w! @& V; t: o: Z% T
DISPATCH_METHOD,
# D) l: p4 j0 f &dp2,
; p6 i3 c% D: l( C) G0 R+ T5 R/ S &var,4 L3 O+ X0 Q: p9 C6 \* F9 M. L
&ei,
; b+ D! [9 b+ S( ] &uiErr);# K0 o% a7 R$ I& j% x; ^+ c" `
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SysFreeString(topicStr);
3 [* V) a$ I7 g2 [. m SysFreeString(itemStr);
5 N u) s3 E7 h8 D6 |请问该程序是获得extend里面的哪个值?% y# P0 W O {" K# e' b
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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