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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:
- _3 w1 ] u' p! V6 [. r6 hName = (WCHAR *) L"Poke";" k, U; w9 P$ w0 c* ~* J/ }. H- k
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hr = m_pDisp->GetIDsOfNames (4 A5 N/ E! ]8 q
IID_NULL, // reserved5 W9 X, g$ N. y
&Name, // Array of names to get IDs for- e: p7 Z- ~$ n& m' W* m/ s% N- q
1, // # of names in the array4 |5 v- R4 |+ p X9 I1 |5 ^
LOCALE_SYSTEM_DEFAULT, // System locale
9 U2 B: R+ p5 E& G2 ^' `. ] &pokeID); // Array of IDs to fill on output
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if (hr)2 A5 q# v, b1 }! w$ b, R
{
1 ^7 S" P4 ~4 T* t. `6 [: v MessageBox ("Get Poke Unsuccessful");
0 s% x" Z! f3 { K n return;9 x& k6 E j6 V3 O
}
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K0 j& h- ^+ A: D2 e' [3 X/**************************传递数据给extend**************************************/2 X6 y, R5 r6 [1 Y5 L9 M: j" p
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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8 I4 C" E. `1 e ~ valueStr = SysAllocString((WCHAR *) L"1232");: ]; I" ]! M6 `- l" T# t( @9 |% P* U
VariantInit(&pokeVariant[0]); - I$ s9 S" m; k/ b
pokeVariant[0].vt = VT_BSTR;
( n1 @; M6 Z) g4 ?* ]9 m pokeVariant[0].bstrVal = valueStr;8 T7 ?" J/ X. s, X( t
, G) g0 c+ Y0 g2 L3 P, J% D itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 q$ _ G' G/ P, L" q VariantInit(&pokeVariant[1]); / y4 x- y. J# S+ K
pokeVariant[1].vt = VT_BSTR;
7 A/ r5 v8 Y) a6 w; J pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 x S5 X: k) U5 W VariantInit(&pokeVariant[2]); * L# m0 Z& w7 y: M% C
pokeVariant[2].vt = VT_BSTR;
" t# L9 |+ g! A) U" u+ i8 y pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;% B% b( ?( H* x$ z
dp.cArgs = 3;
2 l: |0 k3 Q3 h/ X9 ~; {. ] dp.rgdispidNamedArgs = NULL;4 g" @; S1 \ n6 h: W
dp.cNamedArgs = 0;
( D8 y6 a {. c0 v
2 L1 H6 \2 O* a- q4 J. _* D8 a( S// Call IDispatch::Invoke()4 U: t, o+ ~* Z! N, f3 v
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hr = m_pDisp->Invoke(
7 X# ?8 L! F3 V9 w7 O c pokeID,
( u% t: W+ V0 ` IID_NULL,* C! [- G* X) R1 ^7 @
LOCALE_SYSTEM_DEFAULT,: u' N a7 P# U- C9 M% e6 t
DISPATCH_METHOD,
2 d* F- f! s) I& j &dp,6 e8 J7 |4 \8 n: t G# P( T5 ^9 O
NULL,- f( |0 Z0 K$ A7 E% q
&ei,
4 i" ?- D6 M E/ d7 d &uiErr);
; |8 ]& `- V; u1 J8 g. n
" x, d+ F. k `/ U; ~ SysFreeString(topicStr);
5 p. L# S; y% v+ \8 h6 k SysFreeString(itemStr);
" \ v+ J- w4 d6 c+ S& t( G% J SysFreeString(valueStr);
9 c! q/ M+ P+ Z$ V& m; K( e
v: z `. `# |; F" \9 n6 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???
* {" T) m7 u: W+ g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????# m2 f4 p2 T0 ~% B d
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2.这是request的程序6 l) j) n7 G7 e$ l, c) P+ t
// Request a value from Extend6 e8 i9 B [/ {! z8 h7 {9 I
//
% `9 ^2 i2 G, y1 B8 \* s8 L// Initialize the variant that will hold the BSTR. Set the variant's( [- F( j) p4 m6 l+ T
// type flag to indicate the fact that this variant holds a BSTR. Place the! S! @! Z9 p4 ~& ~6 L- S T- T Y
// BSTR into the variant structure.
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( w/ @8 l& N$ p* }! a2 _% Z, T requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ W0 q2 L3 d% S0 A( ?. t% F+ r) \
2 O7 ^$ p. ?% r& E9 [) v' g/ j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# R& D% d1 i* o VariantInit(&requestVariant[0]);
, A2 x* c. r2 D7 t: [ requestVariant[0].vt = VT_BSTR;
1 N4 b/ R$ B6 B* p0 G; c5 @ requestVariant[0].bstrVal = itemStr;3 h; r6 F; q3 e; ^
. ]8 R! F0 @9 X6 D' n E% t% F topicStr = SysAllocString((WCHAR *) L"system");
! D6 H/ c) E8 F* u* d- Q+ o VariantInit(&requestVariant[1]);
; S) t. J1 i7 @: m" W0 Y requestVariant[1].vt = VT_BSTR;
5 F z5 I& J% e# P requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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5 Y& M" ?3 S1 ]% ~- p6 c1 X" H4 d7 ? dp2.rgvarg = requestVariant;% |: Z- P1 e- ]/ X
dp2.cArgs = 2;
2 _* Q+ R0 k) H# |2 V dp2.rgdispidNamedArgs = NULL;
, x, |! b7 a9 {+ y4 Z dp2.cNamedArgs = 0;
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/ Y* F. X$ A0 B& ^7 Y var.vt = VT_EMPTY;" Q' v$ ?7 i: o" C+ `$ W0 d! ?
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(4 x- k3 C5 I& O ? d9 L
requestID,( C4 P4 e1 b$ ?8 O6 x# D, V1 [
IID_NULL,) s7 I7 z+ a( b) f6 N+ x- F
LOCALE_SYSTEM_DEFAULT,
+ K3 I; z4 m7 q6 X |2 S DISPATCH_METHOD,5 U2 N" d" j4 x$ n3 \. L
&dp2,
+ [: L J- U/ I4 E1 i- R &var,/ X8 p+ l4 q5 E& H$ `
&ei,: V0 Z3 G h. G2 v3 }
&uiErr);
, {! U0 }1 g5 l4 G* q
9 E0 E) G& H z/ j) Y8 r SysFreeString(topicStr);! t X' ` O4 x, ~5 c. P+ [8 s
SysFreeString(itemStr);+ e7 s* h/ S. `1 i) @
请问该程序是获得extend里面的哪个值?: c$ z5 b# C* `0 r( h5 ]; x
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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