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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:
; D7 k. G7 [* J; b# L' ^' f; mName = (WCHAR *) L"Poke";
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1 A' A/ |. d$ s* Y! p! e3 A hr = m_pDisp->GetIDsOfNames (# G( F8 F) X5 _) I. r* e
IID_NULL, // reserved
]5 |: V" K$ l0 g& E: c0 k& A &Name, // Array of names to get IDs for
6 c# P& B& {. a8 V7 K2 N4 F 1, // # of names in the array
3 v+ }) z1 a* X; Y; E LOCALE_SYSTEM_DEFAULT, // System locale
- d1 E/ o& T% G$ q8 Y) J$ r- ]7 j &pokeID); // Array of IDs to fill on output
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if (hr)1 \- H' d9 Z) L; @5 J6 Q( j, T6 B
{
# X4 z ~, I% c2 L. i7 @8 e. ]8 v MessageBox ("Get Poke Unsuccessful");
+ Q, V$ m* n+ B0 e return;
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/**************************传递数据给extend**************************************/
' }! X% k7 u) F% F1 \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: _/ B9 O5 S8 w5 K
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valueStr = SysAllocString((WCHAR *) L"1232");9 _) h. r' K7 S) Y
VariantInit(&pokeVariant[0]); # I6 T, ]3 B, o. F+ x
pokeVariant[0].vt = VT_BSTR;
+ u9 b) C7 U `0 n pokeVariant[0].bstrVal = valueStr;3 c j0 k* q0 b$ e5 J& Q4 A- Y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! V& S( L. d( @( p
VariantInit(&pokeVariant[1]); 5 W: f, V$ n5 U& j; k+ b/ F
pokeVariant[1].vt = VT_BSTR;
2 T/ t q) Q& h pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");$ i' {; w3 U' z! E
VariantInit(&pokeVariant[2]); ! z# S6 s2 w \, ^" i: v% v; M, G
pokeVariant[2].vt = VT_BSTR;8 I1 O! S! C7 h$ Z; {: A
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;2 ]" W k+ x6 R! q6 K% k" `) o5 k+ O
dp.cArgs = 3;
% d% s5 B, x: _# _ dp.rgdispidNamedArgs = NULL;' P3 M' ~2 k4 j( a) D& G
dp.cNamedArgs = 0;$ `3 H. s3 I* K. C2 v
/ q8 ~/ G2 C; M$ F( [// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(3 O3 }4 B7 `. i/ j
pokeID,! q: p/ x" ] f7 a6 G0 w
IID_NULL,
& s$ R2 [9 A6 f( @! y3 | LOCALE_SYSTEM_DEFAULT,) g) M& e# f1 R9 G; O" b
DISPATCH_METHOD,
. B) ]6 `1 z9 ~! W &dp,
/ N$ u6 r4 r$ M( b NULL,
& X6 B8 t2 V" W6 X$ z &ei,; V( W3 u, e" Y# e9 u/ J
&uiErr);- ?* _3 {! b% j. J! i1 @
Z1 U/ G! H- r SysFreeString(topicStr);
' H; L; k* o2 A' P7 ]/ g SysFreeString(itemStr);
- U J# K* Z3 B. P% T) T$ R SysFreeString(valueStr);4 k& e7 O' M5 l6 d1 ]" I" P% F9 F
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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???3 ~% ]0 j2 M. k+ x5 i
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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9 }( m% ]1 B/ t- O2.这是request的程序
7 F0 C1 N8 L1 c6 ^& c, ^) s// Request a value from Extend( ^1 l- b7 Y" D6 _, ?
//
& W, w9 ]1 u, O" |0 }$ \& q1 j7 S% |// Initialize the variant that will hold the BSTR. Set the variant's( r0 ?* s* U* I% V$ Q, w% v
// type flag to indicate the fact that this variant holds a BSTR. Place the8 g, P7 m8 ^. O, B$ T/ b+ ?
// BSTR into the variant structure.. v* h7 x2 ^6 v& X% x
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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8 `( M" Z0 S0 e/ b2 d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 ^% h2 `, {; c J
VariantInit(&requestVariant[0]);
% R9 b& k( Z4 [8 k requestVariant[0].vt = VT_BSTR;
* a; i% n0 G& t8 J$ z2 q! ]& K8 l- F requestVariant[0].bstrVal = itemStr;7 f0 A7 e7 Q( V# s5 k; F
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topicStr = SysAllocString((WCHAR *) L"system");. d' B# [- w' n2 A* n% @" K( p* {
VariantInit(&requestVariant[1]); : h# _* H6 S+ T Y- m' u
requestVariant[1].vt = VT_BSTR;8 w$ x( g9 \: ^8 |5 `
requestVariant[1].bstrVal = topicStr;0 l1 g; ^: x& ^& u" u, I; u
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// Set the DISPPARAMS structure that holds the variant.
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. N9 B( h! I# f( k dp2.rgvarg = requestVariant;
* `' r1 m$ u' g% g dp2.cArgs = 2;
\2 H) f3 f6 _" Z! d( r M# K' ~ dp2.rgdispidNamedArgs = NULL;. ^- [5 z+ r4 l: _* G" e9 F
dp2.cNamedArgs = 0;9 y8 H% k. T4 y8 M
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()5 j# P! R# k" p1 I( I# E
" g5 F) F4 I1 l hr = m_pDisp->Invoke(# r: N0 @$ e0 p: {- Y6 _/ F4 S
requestID," k4 Y# W6 _: U) I/ ]
IID_NULL,8 [# u* ~% O0 p* A+ c
LOCALE_SYSTEM_DEFAULT,
8 N' ~: V; v* f9 y5 a' L0 y DISPATCH_METHOD,: \$ h. ]* _8 c
&dp2,( E# u' G& E" \7 j N- g' j
&var, n7 |& p) q# D; t) Z
&ei,
/ G3 Z S: I, s0 w; N &uiErr);
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SysFreeString(topicStr);
x: ^+ Y0 u4 d! X9 M1 V9 X SysFreeString(itemStr);( _, k; [" r; F+ @/ z
请问该程序是获得extend里面的哪个值?8 ^8 j" K+ R; i$ V7 T
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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