Delphi¶àÏß³Ìѧϰ£¨2£©£ºDelphiÖеĶàÏß³ÌÀàTThread¡£
2010-02-22 17:08:46
Delphi°Ñ¶àÏß³ÌÏà¹ØµÄAPI·â×°ÔÚTThreadÕâ¸öÀàÖУ¬¿ÉÒÔ·½±ãʵÏÖ¶àÏß³ÌÔËÓá£Ê×ÏÈ¿´ÏÂTThreadµÄÉùÃ÷£º
TThread = class
private
FHandle: THandle;
FThreadID: THandle;
FCreateSuspended: Boolean;
FTerminated: Boolean;
FSuspended: Boolean;
FFreeOnTerminate: Boolean;
FFinished: Boolean;
FReturnValue: Integer;
FOnTerminate: TNotifyEvent;
FSynchronize: TSynchronizeRecord;
FFatalException: TObject;
procedure CallOnTerminate;
class procedure Synchronize(ASyncRec: PSynchronizeRecord); overload;
function GetPriority: TThreadPriority;
procedure SetPriority(Value: TThreadPriority);
procedure SetSuspended(Value: Boolean);
protected
procedure CheckThreadError(ErrCode: Integer); overload;
procedure CheckThreadError(Success: Boolean); overload;
procedure DoTerminate; virtual;
procedure Execute; virtual; abstract;
procedure Synchronize(Method: TThreadMethod); overload;
property ReturnValue: Integer read FReturnValue write FReturnValue;
property Terminated: Boolean read FTerminated;
public
constructor Create(CreateSuspended: Boolean);
destructor Destroy; override;
procedure AfterConstruction; override;
procedure Resume;
procedure Suspend;
procedure Terminate;
function WaitFor: LongWord;
class procedure Synchronize(AThread: TThread; AMethod: TThreadMethod); overload;
class procedure StaticSynchronize(AThread: TThread; AMethod: TThreadMethod);
property FatalException: TObject read FFatalException;
property FreeOnTerminate: Boolean read FFreeOnTerminate write FFreeOnTerminate;
property Handle: THandle read FHandle;
property Priority: TThreadPriority read GetPriority write SetPriority;
property Suspended: Boolean read FSuspended write SetSuspended;
property ThreadID: THandle read FThreadID;
property OnTerminate: TNotifyEvent read FOnTerminate write FOnTerminate;
end;
ÓÉÓÚTThreadÊÇÒ»¸ö³éÏóÀ࣬ËùÒÔ
Ïà¹ØÎĵµ£º
ÈçºÎµ÷ÊÔDLL£¬ÔÚÕâÀï¾Í²»ÔÙ׸ÊöÁË£¬µ«ÊÇ£¬½ñÌì¾ÍÅöµ½ÁËÒ»¸öÌØ±ðÆæ¹ÖµÄÎÊÌ⣬²ÎÊýÉèÖÃÕýÈ·£¬¾ÍÊDz»Äܵ÷ÊÔ£¿£¿ ͨ¹ýÉÏÍø²é×ÊÁÏ£¬·¢ÏÖÁËÎÊÌ⣬עÒ⣺
1£¬ ½«ProjectÖ÷²Ëµ¥µÄProject Options¶Ô»°¿òµÄCompilerÒ³ÃæDebuggingÑ¡ÏîÖÐµÄ Debug informaton¡¢Local symbols¡¢Assertions¸´Ñ¡¿òÑ¡ÖÐ
2£¬½«ToolsÖ÷²Ëµ¥µÄD ......
¼¼Êõ½»Á÷,DH½²½â. ¼ÇµÃºÜÔç֮ǰÎÒ¾Í˵¹ý,Êý×éºÍ½á¹¹ÌåÔÚÄÚ´æÖÐÆäʵһÑùµÄ,ËûÃǶ¼ÊÇÁ¬Ðø·Ö²¼µÄ.
ÀýÈç: TMyStruct = record
A,B,C:Integer;
end;
T3IntArray = array[0..2]of Integer;
ÕâÁ½¸ö¶¼Õ¼12×Ö½Ú,¶øÇÒTMyStruct.A¾ÍÊÇT3IntArray[0].
¶øÎÒÃÇÖªµÀÔÚ·ÃÎÊÊý×éÖÐij¸öÔªËØµÄʱºò,Ö»ÊÇÔÚµ ......
CTRL+SPACE ´úÂ벹ȫ£¬ºÜºÃÓõÄ(ÏȸÄÁËÊäÈë·¨Èȼü)
CTRL+SHIFT+C ±àдÉêÃ÷»òÕß²¹ÉϺ¯Êý
CTRL+SHIFT+↑(↓) ÔÚ¹ý³Ì¡¢º¯Êý¡¢Ê¼þÄÚ²¿, ¿ÉÌøÔ¾µ½ÏàÓ¦µÄ¹ý³Ì¡¢º¯Êý¡¢Ê¼þµÄ¶¨Ò壨ÔÚINTERFACEºÍIMPLEMENTATIONÖ®¼äÀ´»ØÇл»£©
CTRL+SHIFT+G ²åÈëGUID
CTRL+J (µ¯³öDELPHIÓï¾äÌáʾ´°¿Ú£¬Ñ¡ÔñËùÐèÓï¾ä½«×Ô¶¯Íê³ÉÒ»Ìõ ......
TThreadÊÇÒ»¸ö³éÏóÀà,ÓÃÓÚÔÚdelphiÖд´½¨Ï̡߳£
´´½¨Ò»¸öTThreadµÄ×ÓÀà¶ÔÏó¼´Ï൱ÓÚ´´½¨Ò»¸öÏ̡߳£¡¡¡¡
µ±Ò»¸öÓ¦ÓóÌÐòÔËÐÐʱ£¬Ó¦ÓóÌÐò¾Í±»ÔØÈëÄÚ´æ×¼±¸Ö´ÐС£´Ëʱ£¬Ëü³ÉΪ°üº¬Ò»¸ö»ò¶à¸öÏ̵߳Ľø³Ì¡£Ïß³ÌÖ´ÐÐÓ¦ÓóÌÐòµÄ²¿·ÖÄÚÈÝ£¬²¢ÓɲÙ×÷ϵͳ·ÖÅäCPUʱ¼ä¡£Í¬Ò»½ø³ÌµÄËùÓÐÏ̹߳²ÏíͬһµØÖ·¿Õ¼ä£¬¿ÉÒÔ·ÃÎʽø³ÌµÄÈ«¾Ö±äÁ¿ ......
ÐèÒªÓõ½µÄÒ»¸öº¯Êý£º
LONG SetWindowLong(
HWND hWnd,
int nIndex,
LONG dwNewLong
);
ÆäÖÐnIndex GWL_EXSTYLE Retrieves the extended window styles.
dwNewLong WS_EX_TOOLWINDOW Creates a tool window; that is, a window intended to ......