udp.senddata如何用?
我是这样用的:
var txt:string;
UDP1.RemoteHost:='shyrain@263.net';
UDP1.RemoteHost:='7777';
UDP1.SendData txt; 此行出现错误:[Error] Unit1.pas(135): Undeclared identifier: 'SendData'
何顾?
这是delphi5中的帮助:
object.SendData data
Parameters
Data
Data to be sent. For binary data, byte array should be used.
Data Type: VARIANT
Param: IN
Currently, the following variant types are supported.
Type C++ VB Type
Byte VT_UI1 vbByte
Integer VT_I2 vbInteger
Long VT_I4 vbLong
Single VT_R4 vbSingle
Double VT_R8 vbDouble
Currency VT_CY vbCurrency
Date VT_DATE vbDate
Boolean VT_BOOL vbBoolean
SCODE VT_ERROR vbError
String VT_BSTR vbString
Byte Array VT_ARRAY and VT_UI1 vbArray + vbByte