Delphi UÅ̲åÈ벦³ö¼ì²â
Delphi UÅ̲åÈ벦³ö¼ì²â£º
1¡¢Ð½¨¹¤³Ì£»
2¡¢ÔÚform1ÉÏ·ÅÒ»¸öLabel£»
3¡¢¶¨ÒåÒ»¸ö˽Óйý³Ì
procedure WMDeviceChange(var Msg: TMessage); message WM_DEVICECHANGE;
ÍêÕû´úÂëÈçÏ£º
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, AppEvnts, ExtCtrls, StdCtrls;
type
TForm1 = class(TForm)
Label1: TLabel;
private
{ Private declarations }
procedure WMDeviceChange(var Msg: TMessage); message WM_DEVICECHANGE;
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.WMDeviceChange (var Msg: TMessage);
var
myMsg : String;
begin
Case Msg.WParam of
32768:
begin
myMsg :='UÅ̲åÈë';
Label1.Caption:=myMsg
end;
32772:
begin
myMsg :='UÅ̰γö';
Label1.Caption:=myMsg;
end;
end;
end;
end.
Ïà¹ØÎĵµ£º
Delphi ¹Ø¼ü×ÖÏê½â[ÕûÀíÓÚ "³È×Ó" µÄÌû×Ó]
absolute
//ËüʹµÃÄãÄܹ»´´½¨Ò»¸öбäÁ¿, ²¢ÇҸñäÁ¿µÄÆðʼµØÖ·ÓëÁíÒ»¸ö±äÁ¿Ïàͬ.
var
Str: string[32];
StrLen: Byte absolute Str;
//Õâ¸öÉùÃ÷Ö¸¶¨Á˱äÁ¿StrLenÆðʼµØÖ·ÓëStrÏàͬ.
//ÓÉÓÚ×Ö·û´®µÄµÚ0¸öλÖñ£´æÁË×Ö·û´®µÄ³¤¶È, ËùÒÔStrLenµÄÖµ¼´×Ö·û´®³¤¶È.
begin ......
ÔÚWIN32ÖеĴ®¿ÚͨѶ£¨Delphi£©
ÓÉÔÚWIN32²Ù×÷ϵͳÖнûÖ¹Ó¦ÓóÌÐòÏóDOSÖÐÄÇÑùÖ±½Ó·ÃÎʼÆËã»úÓ²¼þ£¬Òò´Ë£¬ÎÞ·¨ÏóÒÔǰÄÇÑù²ÉÓÃÖж϶Áд´®¿Ú¡£µ«ÊÇÔÚWIN32ÖÐÎÒÃǿɷ¢²ÉÓÃÁ½ÖÖ·½·¨·ÃÎÊ´®¿Ú£º1¡¢Ê¹ÓÃVBÖеÄMSCOMM´®¿Ú¿Ø¼þ£»2¡¢²ÉÓÃAPIº¯Êý£¬±¾ÎÄÖ÷Òª½éÉܲÉÓÃAPIº¯ÊýʵÏÖ´®¿ÚͨѶ¡£
ÓÉÓÚWM_COMMNOTIFYÏûÏ¢Òѱ»È¡Ïû£¬¹Ê±¾ÎÄ×Ô¶ ......
¾µä°¸Àý·ÖÏí Ôݲ»Éæ¼°·ÖÇø±í,±íÉè¼ÆµÈ Ö»´Ó±È½ÏdzµÄ½Ç¶ÈÀ´ÓÅ»¯
1.Ïȼì²é³ÌÐò ¼ì²éÄ£ÐͲãµÄÉè¼ÆÓë±àÂëÊÇ·ñºÏÀí ½«ºÍÕâ¸ö±íÓÐÓа󶨵ÄÊý¾Ý¸ÐÖª¿Ø¼þÈ«²¿È¥µô¡£
2.¹ÀËãÒ»¸öÊý¾ÝµÄ×î´óÁ¿ ¿ÉÒÔ´ÓÉè¼Æ½Ç¶È Ò²¿ÉÒÔ´Ó¿Í»§ÌṩµÄÊý¾Ý·ÖÎö δÀ´Ò»¶¨ÖÜÆÚÄÚµÄÔ¤Ôö³¤Á¿
3.½«ÌõÂëµÄ³¤¶È±£´æÆðÀ´£¬ÏÈÓÃÌõÂëµÄ³¤¶È½øÐйýÂË£¬Èç¹û80%ÒÔÉϵ ......
ÔÚ Delphi ÓïÑÔµÄÊý¾Ý¿â±à³ÌÖУ¬DBGrid ÊÇÏÔʾÊý¾ÝµÄÖ÷ÒªÊÖ¶ÎÖ®Ò»¡£µ«ÊÇ DBGrid ȱʡµÄÍâ¹ÛδÃâÏԵõ¥µ÷ºÍȱ·¦´´Òâ¡£Æäʵ£¬ÎÒÃÇÍêÈ«¿ÉÒÔÔÚÎÒÃǵijÌÐòÖÐͨ¹ý±à³ÌÀ´´ïµ½ÃÀ»¯DBGrid Íâ¹ÛµÄÄ¿µÄ¡£Í¨¹ý±à³Ì£¬ÎÒÃÇ¿ÉÒԸıä DBGrid µÄ±íÍ·¡¢Íø¸ñ¡¢Íø¸ñÏßµÄǰ¾°É«ºÍ±³¾°É«£¬ÒÔ¼°Ïà¹ØµÄ×ÖÌåµÄ´óСºÍ·ç¸ñ¡£
......
MSHTMLÊÇ΢Èí¹«Ë¾µÄÒ»¸öCOM×é¼þ£¬¸Ã×é¼þ·â×°ÁËHTMLÓïÑÔÖеÄËùÓÐÔªËØ¼°ÆäÊôÐÔ£¬Í¨¹ýÆäÌṩµÄ±ê×¼½Ó¿Ú£¬¿ÉÒÔ·ÃÎÊÖ¸¶¨ÍøÒ³µÄËùÓÐÔªËØ£®
¡¡¡¡MSHTML¶ÔÏóÄ£ÐÍÊÇÓÉһЩ¶ÔÏóºÍ¼¯ºÏ×é³ÉµÄ£®´¦ÓÚ¸ù²¿µÄÊÇHTML£¬ÃèÊöÁË´ò¿ªÒ³ÃæµÄ1¸ö´°¿Ú£¬°üÀ¨Ò»ÏµÁм¯ºÏºÍ¶ÔÏó¡£ÈçFrames¼¯ºÏ£¬History£¬Location£¬Navigator£¬Document£¬Vi—sum ......