Delphi abc
1. ×Ö·û´®Á¬½ÓÖ±½ÓÓÃ+£¬ÓëJavaºÍPythonÖеÄÏàͬ
2. Ö´ÐÐÍⲿÃüÁîʹÓÃwinexec£¬ShellExecute
eg. ShellExecute(0, 'open', 'jre/bin/java', '-lang zh-CN', 'E:\myfolder', SW_SHOW);
3. ÅжÏÎļþ¡¢Îļþ¼ÐÊÇ·ñ´æÔÚ
FileExists('C:\Users\bill\somefile.txt')
DirectoryExits('C:\WINDOWS')
4. if else ½á¹¹
if FileExists(Edit1.Text) then
begin
....
end // ²»¿É¼Ó·ÖºÅ
else if DirectoryExits('Edit1.Text') then
begin
....
end // ²»¿É¼Ó·ÖºÅ
else
begin
....
end;
5. »ñÈ¡ÆÁÄ»¿í¶È¸ß¶ÈÖ±½ÓʹÓà Screen.Width Screen.Height
6. ÉèÖô°¿ÚλÖà SetBounds(left. top, width, height)
Ïà¹ØÎĵµ£º
ÆÁÄ»µÄ·Ö±æÂÊÓÃÕâ¸ö
x=GetSystemMetrics(SM_CXSCREEN)
y=GetSystemMetrics(SM_CYSCREEN)
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.¶øÇÒ»ñµÃÆÁÄ»ÉϵÄÏñËØºÃÏñÓ¦¸ÃʹÓÃ
screen.pixelsperinchº¯Êý
int GetDeviceCaps(
  ......
ö¾ÙÀàÐÍ
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1¡¢Ã¶¾ÙÀàÐ͵͍Òå
¸ñʽ:¡¡type ö¾ÙÀàÐͱêʶ·û=(±êʶ·û1,±êʶ·û2,…,±êʶ·ûn)
2¡¢Ã¶¾ÙÀàÐÍÊý¾ÝÌØµã
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ÀýÈ磬ÏÂÁÐÀàÐͶ¨ÒåÊǺϷ¨µÄ£º
¡¡¡¡ type ......
ÉèÖÃ×ÖÌåµÄ¹ý³Ì
Procedure TForm1.FontDlgApply(Sender:Tobject);
begin
Button1.Font:= FontDialog1.Font;
end;¡¡
¸Ã³ÌÐòÖ»Óе±Óû§°´¶¯About¿òµÄ°´Å¥»ò±»About´°¿ØÖÆÍ¼±ê¹Ø±Õ´°¿Úºó£¬²Å»á»Øµ½Ö÷´°ÌåÖУ¬¶ø²»ÄÜÓëµÚÒ»¸ö´°Ìå·¢Éú½»»¥ÐÐΪ¡£Õâ¾ÍÊÇ·½·¨ShowºÍShowModalµÄÖ÷Òª²»Í¬Ö®´¦
¼¯ºÏÀàÐÍÊÇһȺÏàͬÀàÐÍÔªËØµÄ×éºÏ ......
type
TTurboRecord = record
strict private
fNameValue : integer;
function GetName: string;
public
NamePrefix : string;
constructor Create(const initNameValue : integer) ;
property Name : string read GetName;
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
......
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Àý×Ó: Var
A: Array[ 0..2 ] Of Integer ;
Begin
A[ 0 ] := 1 ;
A[ 1 ] := 1.0 ; //ÕâÀïÊÇ´íµÄ,ÒòΪÿ¸öÔªËØ¶¼±ØÐëÊÇIntegerÀàÐ ......