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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:
% X+ ], v* d S, s1 mName = (WCHAR *) L"Poke";& ~4 g# _9 \' r$ X
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hr = m_pDisp->GetIDsOfNames (
9 Y' w; a) v$ Y- x1 \/ L IID_NULL, // reserved
' c4 J- W; W5 o% }! K &Name, // Array of names to get IDs for7 p' g" P& B$ V1 L
1, // # of names in the array. u9 y5 ~ R& [. G8 F( k
LOCALE_SYSTEM_DEFAULT, // System locale
, e* z' g& h" k% \' M &pokeID); // Array of IDs to fill on output
V: U, Y1 {0 c2 I; T/ Y
# Z# y$ h7 E$ R# y. X/ H; y5 s if (hr)8 F4 o1 `# P0 a( E. K: d
{, ^; J% V( d" H" ^. p `$ t
MessageBox ("Get Poke Unsuccessful");) r: C; T, t; Z. d* i- T
return;2 L2 p. ]# i& T" s% R+ N0 x4 Y
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) N) u2 L- d5 S2 L9 v/**************************传递数据给extend**************************************/7 p, B# f7 R9 q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);% o/ }$ z1 I0 n
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valueStr = SysAllocString((WCHAR *) L"1232");
: |% z6 l! G7 j" D+ W, L8 M, W2 ]; | VariantInit(&pokeVariant[0]);
4 X! P8 W$ A5 S! G% ? pokeVariant[0].vt = VT_BSTR;- ?; G/ d1 f- B4 S/ n5 P
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( u1 G2 E" n% Y2 Y) U( Q VariantInit(&pokeVariant[1]); # T6 J+ E8 X; n
pokeVariant[1].vt = VT_BSTR;
- ~$ {2 ~! X) {5 F pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");" {/ m; f3 v' ]* L1 x2 J
VariantInit(&pokeVariant[2]); ! [# Z% ]3 f: F7 \" z0 W
pokeVariant[2].vt = VT_BSTR;
4 j+ ~" o1 `' d8 |' x2 O pokeVariant[2].bstrVal = topicStr;
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( Q6 |4 ?. k4 |' j// Set the DISPPARAMS structure that holds the variant.0 i! J) ]- Z& @6 ]; ] n/ r
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dp.rgvarg = pokeVariant;1 `0 x; Q, C* ]3 t t; Z2 |
dp.cArgs = 3;
& W/ p3 [1 e# p0 m2 V: ] dp.rgdispidNamedArgs = NULL;! Y$ Y f: Z6 Y8 {; _, K
dp.cNamedArgs = 0;
% H5 n" L8 d# D7 k, p+ H
}9 b8 b3 n" k" j9 V! O// Call IDispatch::Invoke()7 \( e' V) ^! f. |
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hr = m_pDisp->Invoke(
: n) L S" f& x pokeID,/ A* ?3 O! [2 C) W+ K& l
IID_NULL,
6 B, ?2 V; [# S# t1 ?) T8 @) x LOCALE_SYSTEM_DEFAULT,
! B' b% o5 ~0 Z DISPATCH_METHOD,
: C6 F4 \' q5 h U1 b &dp,
3 L# H: d1 }( v* d" ~ _0 W NULL,9 K+ N; \- ^4 ?$ F6 o! R& l
&ei,- A# n& B- m( Q; U
&uiErr);
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SysFreeString(topicStr);: [+ h9 t) j* R
SysFreeString(itemStr);* x, u# ~) L8 g: L6 j# t
SysFreeString(valueStr);
% w% w& g/ L- h7 {2 c& C3 ~& F: S+ b1 ?
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 e! Y- d' a- R, D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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) G6 M. O& n0 E* i4 D0 L2.这是request的程序
7 T6 T& _6 j% E' W# H& ?$ r// Request a value from Extend6 [" z: v/ f- R0 q4 b: B
//- X$ b) C* O3 H9 A1 V
// Initialize the variant that will hold the BSTR. Set the variant's$ @6 X" g9 X; K2 o1 @! V
// type flag to indicate the fact that this variant holds a BSTR. Place the2 Q+ s3 b/ U% g" Z" _$ B
// BSTR into the variant structure., h/ M+ G4 B- m& Y1 n) m, f, L% X
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); Z5 v9 T' T) f$ D* f+ ?
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' ]- y8 L/ a1 E# ~. Q8 m) a+ ] VariantInit(&requestVariant[0]); 4 s# z. S) s3 y" z; K
requestVariant[0].vt = VT_BSTR;
. s' Q/ _4 x" K; }3 m requestVariant[0].bstrVal = itemStr;
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K5 K, D6 t; f3 { topicStr = SysAllocString((WCHAR *) L"system");# z+ A8 X0 h6 M& b
VariantInit(&requestVariant[1]);
. c3 G/ z4 }/ {1 S requestVariant[1].vt = VT_BSTR;
" [5 J6 O# I8 S5 s$ w: K5 ~) x# u requestVariant[1].bstrVal = topicStr;/ _" z. q- j% K' }6 K
1 ?- v3 L/ [2 |// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;% V, I2 w$ E+ x7 D8 s
dp2.cArgs = 2;
1 t" v$ C6 D" j2 e) F0 C0 v dp2.rgdispidNamedArgs = NULL;
/ k- m) f3 T" W; }, ^ dp2.cNamedArgs = 0;
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+ @# _& K4 |9 ~8 L% T" P var.vt = VT_EMPTY;: @ _' F6 l5 X3 O/ ~
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* M0 Y4 [9 c' S7 m2 ?0 V0 P2 _/ ~! R
requestID,
- G$ C8 B E! b8 z IID_NULL,
& c* C7 f: y" v- l LOCALE_SYSTEM_DEFAULT,$ e6 T. A9 m \& z0 x
DISPATCH_METHOD,3 H% n! S5 v T' j8 n
&dp2,& x' c/ D- h" ]4 e8 m
&var,; H: `' O. {, Z$ x
&ei,- @ A' W, O3 |# Y
&uiErr);
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SysFreeString(topicStr);; p8 V$ t- V9 g! j, V" e, {) F
SysFreeString(itemStr);9 e! W# n: \* x# V
请问该程序是获得extend里面的哪个值?1 M K3 x) H* ?9 A, |: Y1 Z
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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