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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:
$ y: x1 q# Z, g- J( @Name = (WCHAR *) L"Poke";
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/ ]0 |; C, L4 l! d$ m hr = m_pDisp->GetIDsOfNames (& R/ c! h" L6 ~! f6 _- q
IID_NULL, // reserved0 D& \( [5 i( A+ x: |, z
&Name, // Array of names to get IDs for# R/ `0 w' \ b8 S, \7 P `# a( P
1, // # of names in the array6 `4 l& S9 D5 |, Z- S( _4 @5 O# Z3 l
LOCALE_SYSTEM_DEFAULT, // System locale. d2 b5 J, u& \: F" W2 s% O% H0 d
&pokeID); // Array of IDs to fill on output
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if (hr)0 G' t2 Z5 _0 X, @8 S1 e4 P6 s
{
) _5 u0 o7 o5 T5 g1 ?. y# Q% ` MessageBox ("Get Poke Unsuccessful");
) O1 | I/ V/ P# e return;: q" o9 |/ W" z" ^$ y: P% L. d% n
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/**************************传递数据给extend**************************************/
! ~% m Y( g* Q0 [5 X, N pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# Y3 V' N8 | G* g! {
7 Y- W8 l; L5 }+ ^
valueStr = SysAllocString((WCHAR *) L"1232");4 h2 h0 Y0 q! `- E3 a* d
VariantInit(&pokeVariant[0]); A3 R/ p! w9 _
pokeVariant[0].vt = VT_BSTR;
* d# w7 J6 `4 q9 `5 m5 x% V pokeVariant[0].bstrVal = valueStr;
* `) ^- j5 f6 m8 ^3 l0 m9 M; @$ Y# f2 C1 U2 `. _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 W: l3 w* ^( R4 X+ ?' m! f1 I) X+ p% I VariantInit(&pokeVariant[1]); % a6 C1 D5 G! p! d) K
pokeVariant[1].vt = VT_BSTR;
9 D' C' D% }# `1 V1 v pokeVariant[1].bstrVal = itemStr;- S6 `( K$ b3 d* d5 X3 ^7 W
" [/ Q4 v! @3 h, T$ } topicStr = SysAllocString((WCHAR *) L"system");/ x: g( v; K; B
VariantInit(&pokeVariant[2]);
3 X9 O% E# I5 Z- s1 u. z pokeVariant[2].vt = VT_BSTR;$ {; R: K; s0 k* c" Q7 y% A
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
- j1 F8 V* w; g' ~' P8 ? dp.cArgs = 3;
8 |! z" G1 H& K, U7 T dp.rgdispidNamedArgs = NULL;# A/ T2 p: o5 `9 }, y
dp.cNamedArgs = 0;- M9 S5 W: d; J1 g4 b' J# K% E. N- |$ Y
- y$ h3 N8 a( @* s5 `// Call IDispatch::Invoke()& ]! y5 k0 Z& M1 {! B4 d8 S
, W) D# U3 R3 v hr = m_pDisp->Invoke(7 B1 w! V ?& l* J
pokeID,/ }% `. t& Y) c% o8 X, p/ r
IID_NULL,
. o, p; f$ o/ F LOCALE_SYSTEM_DEFAULT,7 H* ~" s3 H1 }0 }2 k2 q% S
DISPATCH_METHOD,3 ~9 k# R* W+ B
&dp, n" g' m r5 e
NULL,
0 V/ q+ Z, G8 h &ei,7 J! J- w) f6 w, J3 l) x
&uiErr);. b; u" D7 I! `5 b8 G
0 H" T* q- P" l/ { SysFreeString(topicStr);, {& k [; e% o O- ~; O0 I& n
SysFreeString(itemStr);
- @8 |: m4 L% M SysFreeString(valueStr);
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- {1 \8 r- h4 R0 q6 f$ q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???
6 d- c1 s: C& v7 x0 T$ K6 A& 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????% M0 r; `, L0 l* K/ N
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2.这是request的程序* N4 ]1 P1 o$ Q4 e
// Request a value from Extend5 M) @) r' H1 f3 B. j0 @
//
: [) N) e: x4 H" q// Initialize the variant that will hold the BSTR. Set the variant's5 B$ D* d6 K9 m6 G
// type flag to indicate the fact that this variant holds a BSTR. Place the5 e' m% `% |2 \2 _; u! s
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& Y& Q- a/ N; ^' ^: q$ r" A: ^ G7 B
5 n7 ~& i. S, V) Q0 L6 L7 }& i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" K7 l8 \" {4 D VariantInit(&requestVariant[0]); 7 l0 ^- l3 S5 E; C
requestVariant[0].vt = VT_BSTR;' X8 z! h1 X' o( h; K' Z) y0 i
requestVariant[0].bstrVal = itemStr;+ e) S4 Q! f! ^- a3 \
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topicStr = SysAllocString((WCHAR *) L"system");4 I w5 a% j- x$ `. D
VariantInit(&requestVariant[1]);
: l* K D5 _ p& f, e' P" \ requestVariant[1].vt = VT_BSTR;% v& I$ U2 c$ X
requestVariant[1].bstrVal = topicStr;: P, I8 P4 U3 N# v) ~0 ~) O
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// Set the DISPPARAMS structure that holds the variant.* B. s/ l) E$ t- p3 j
* y; S! ~7 \ T dp2.rgvarg = requestVariant;3 K$ Y2 M% e# `) O4 s. G) E
dp2.cArgs = 2;
! |) H% P2 h x2 r dp2.rgdispidNamedArgs = NULL;8 G5 g3 ^- L6 @ B- W( F
dp2.cNamedArgs = 0;
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" N" @1 M6 w1 `" Y, V' }4 V u4 h+ j var.vt = VT_EMPTY;: @/ {, _: v8 P& B) c: {4 w
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(; R9 A( K$ \1 k
requestID,
% y& y9 C6 Z1 p7 h8 J IID_NULL,
6 Q- Q* A$ u5 f6 d& P6 ^/ |3 n" X LOCALE_SYSTEM_DEFAULT,
* N/ f2 [% _/ y0 I' z& m# e% V DISPATCH_METHOD,! ?+ D! b: E: M' e" q2 V {# O7 G
&dp2,
R! p! m; E8 V, o4 I &var,( J' ?! F. b% W3 K0 ]! f3 Z
&ei,
2 d; {) g y8 N$ F. |4 f &uiErr);
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& T- z! k5 N" g1 G SysFreeString(topicStr);
. E, o; [! ]7 U, A SysFreeString(itemStr);
$ W& \4 ~1 F4 [; Y% N$ n$ ?请问该程序是获得extend里面的哪个值?; R7 F* B% G1 s
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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