Delphi »ñÈ¡¾ä±ú sendmessage
²éÕÒÁíÍâÒ»¸ö´°¿ÚµÄ¾ä±ú£º handle := FindWindow(nil,PChar('´°¿ÚµÄ±êÌâ'));//²éµ½´°Ìå¾ä±ú
²éÕÒ×Ó´°Ì壺childHandle := FindWindowEx(handle,0,'×Ó´°ÌåÀà','×Ó´°Ìå±êÌâ');
ÁíÍâÓиöö¾Ù×Ó´°ÌåµÄAPI£¬EnumChildWindows(Ö÷´´Ìå¾ä±ú,@»Øµ÷º¯Êý,Óû§²ÎÊý);
ÓÃÕâ¸öº¯ÊýÐèÒª×Ô¼ºÐ´Ò»¸ö»Øµ÷µÄº¯Êý£¬±ÈÈ磺
function EnumChildProc(ahWND:HWND; param:LPARAM):boolean; stdcall;
sendmessage(handle,message,wl,rl)
unit Unit1;
interface
uses Windows, Messages,Tlhelp32, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.FormCreate(Sender: TObject);
var a,b:PAnsiChar;
h:HWND;
begin
h:= FindWindow(nil,'abc.txt -
Ïà¹ØÎĵµ£º
ÓÃDelphi×÷µÄ³ÌÐòµÄÔ´´úÂëÖг£¼ûµÄÎļþÀ©Õ¹Ãû£¬²¢¸ø³öÁËÕâЩÎļþÀ©Õ¹ÃûµÄÒâÒ壬ÒÔ±ãÔ´´úÂë¹ÜÀíʱ×÷Ϊ²ÎÕÕ£¬À©Õ¹ÃûÒÔ×ÖĸΪÐò£¨²»ÐèÒª½øÔ´´úÂë¿â²»±íʾ²»ÐèÒª½ø¿â£©¡£
¡¡¡¡~*
¡¡¡¡DelphiÉú³ÉµÄ±¸·ÝÎļþ£¬ÔÚ°æ±¾¿ØÖƿ⼰·¢²¼´úÂëÖв»Ó¦¸Ã³öÏÖÕâЩÎļþ£¬Èç¹ûÐÞ¸ÄÁËij¸öÎļþÈ´ÒòijЩÔÒòûÓб£´æµÄ»°£¬¿ÉÒÔ³¢ÊÔʹÓÃÕâЩÎļþ» ......
1¡¢Ê×ÏȽ«delphiÖÐControlsµ¥ÔªÌáÈ¡
2¡¢ÐÞ¸ÄControlsµ¥ÔªÖÐÈçϲ¿·Ö£º
procedure TWinControl.CreateParams(var Params: TCreateParams);
begin
FillChar(Params, SizeOf(Params), 0);
with Params do
begin
Caption := FText;
Style := WS_CHILD or WS_CLIPSIBLINGS;
&nbs ......
ÔÚDelphiÀïʵÏÖMD5¼ÓÃÜÆäʵºÜÈÝÒ×£¡·½·¨ÈçÏ£º
ÔÚUsesµ¥ÔªÖÐÒýÓà IdHashMessageDigest,IdGlobal, IdHash µ¥Ôª£¬ÔÙдÈçÏ´úÂë
¼´¿ÉÒÔ´ïµ½MD5µÄʵÏÖ¡£
ʾÀý´úÂë
procedure
TForm
1.Button1Click(Sender: TObject);
var
MyMD5: TIdHashMessageDigest5;
Digest: T4x4LongWordRecord;
begin
MyMD5 := T ......
1¡¢ÏÈÓÃConst ¶¨ÒåÒ»¸ö³£Á¿£¬ÀýÈç const WM_MyMessage=WM_USER+$200;
2¡¢ÔÚҪʵÏÖµÄunitÖж¨ÒåÒ»¸ö˽Óз½·¨
procedure doMyMessage(var msg:TMessage);message WM_MyMessage;
3¡¢ÊµÏÖÕâ¸ö˽Óз½·¨
procedure TForm1.doMyMessage(var msg:TMessage);
begin
//
if msg. ......