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blog名称:注册会计师（注会）练习软件
日志总数:398
评论数量:116
留言数量:27
访问次数:3270578
建立时间:2005年6月6日 |
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 [delpih编程]opendialog中filter中同时多个扩展名显示
软件技术
吕向阳 发表于 2009/4/24 17:34:43 |
opendialog1.InitialDir := extractfilepath(application.ExeName);
如果是分行显示多个扩展名
// opendialog1.Filter := 'mp3文件(*.mp3)|*.mp3|wma文件(*.wma)|*.wma';
如果是同行显示多个扩展名
opendialog1.Filter := '音乐文件(*.mp3)|*.mp3;*.wma';
opendialog1.Execute;
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[delpih编程]delphi写的一个读写xml格式配置文件的帮助类 【转贴】
软件技术
吕向阳 发表于 2009/4/20 21:26:14 |
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delphi写的一个读写xml格式配置文件的帮助类
unit uSystemParams;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, MSXML2_TLB, uUtility;
type
TSystemParams = class
private
FXmlDocument: IXMLDOMDocument;
FXmlFileName : String;
protected
public
constructor Create(const xmlfilename : String); overload;virtual;
constructor Create; overload;virtual;
destructor Destroy; override;
procedure loadFromFile(const xmlfilename : String); virtual;
procedure saveToFile; overload;virtual;
procedure saveToFile(const xmlFileName : String); overload;virtual;
function getXmlDocument: IXMLDOMDocument; virtual;
function getElementText(const nodePath: string; const defaultValue : String = ''): string; virtual;
procedure setElementText(const nodepath, value: |
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[delpih编程]公司用字符串加密解密函数(delphi版)【转贴】
软件技术
吕向阳 发表于 2009/4/18 17:41:10 |
公司用字符串加密函数(delphi版)(2006-07-07 14:29:59)
{字符串加密解密 2005.04.12 Wahnch Yeh}
unit uEncrypt;
interface
uses
sysutils;
const
Encrypt_Const = $3412;
function Encrypt(const S: String; Key: Word): String;
function Decrypt(const S: String; Key: Word): String;
implementation
function TransChar(AChar: Char): Integer;
begin
if ((Achar>='0') and (Achar<='9')) then
result := Ord(AChar) - Ord('0')
else
Result := 10 + Ord(AChar) - Ord('A');
end;
function StrToHex(AStr: string): string;
var
I : Integer;
begin
Result := '';
For I := 1 to Length(AStr) do
begin
Result := Result + Format('%2x', [Byte(AStr[I])]);
end;
I := Pos(' ', Result);
While I <> 0 do
begin
Result[I] := '0';
I := Pos(' ', Result);
end;
end;
function HexToStr(AStr: string): string;
var
I : Integer;
Charvalue: Word;
begin
Result := '';
For I := 1 to Trunc(Length(Astr)/2) do
begin
Result := Result + ' ';
Charvalue := TransChar(AStr[2*I-1])*16 + TransChar(AStr[2
*I]);
Result[I] := Char(Charvalue);
end;
end;
function Encrypt(const S: String; Key: Word): String;
var
I : Integer;
begin
Result := S;
for I := 1 to Length(S) do
begin
Result[I] := char(byte(S[I]) xor (Key shr 8));
Key := (byte(Result[I]) + Key) * $C1 + $C2;
if Result[I] = Chr(0) then Result[I] := S[I];
end;
Result := StrToHex(Result);
end;
function Decrypt(const S: String; Key: Word): String;
var
I: Integer;
S1: string;
begin
S1 := HexToStr(S);
Result := S1;
for I := 1 to Length(S1) do
begin
if char(byte(S1[I]) xor (Key shr 8)) = Chr(0) then
begin
Result[I] := S1[I];
Key := (byte(Chr(0)) + Key) * $C1 + $C2; //±Ｖ¤Key的正取
ば浴
end
else begin
Result[I] := char(byte(S1[I]) xor (Key shr 8));
Key := (byte(S1[I]) + Key) * $C1 + $C2;
end;
end;
end;
end.
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[delpih编程]delphi 多热键注册[转贴]
软件技术
吕向阳 发表于 2009/4/10 10:35:49 |
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics,
Controls, Forms,
Dialogs;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
private
procedure WMHotKey(var Msg: TWMHotKey); message WM_HOTKEY;
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
var
HotKeyId: array[0..12] of Integer; //热键数组, 这里准备定义
13 个热键
procedure TForm1.FormCreate(Sender: TObject);
var
i: Integer;
begin
//注册热键
for i := Low(HotKeyId) to High(HotKeyId) do
HotKeyId[i] := GlobalAddAtom(PChar(IntToStr(i))); //热键
命名可随意
RegisterHotKey(Handle,HotKeyId[0],0,VK_F2);
//F2
RegisterHotKey(Handle,HotKeyId[1],0,VK_UP);
//Up
RegisterHotKey(Handle,HotKeyId[2],0,VK_DOWN);
//Down
RegisterHotKey(Handle,HotKeyId[3],0,VK_LEFT);
//Left
RegisterHotKey(Handle,HotKeyId[4],0,VK_RIGHT);
//Right
RegisterHotKey(Handle,HotKeyId[5],0,VK_PRIOR);
//PageUp
RegisterHotKey(Handle,HotKeyId[6],0,VK_NEXT);
//PageDown
RegisterHotKey(Handle,HotKeyId[7],0,VK_OEM_PLUS);
//+
RegisterHotKey(Handle,HotKeyId[8],0,VK_OEM_MINUS);
//-
RegisterHotKey(Handle,HotKeyId[9],0,$31);
//1
RegisterHotKey(Handle,HotKeyId[10],0,$41);
//a
RegisterHotKey(Handle,HotKeyId[11],0,VK_RETURN);
//Enter
RegisterHotKey(Handle,HotKeyId[12],MOD_CONTROL,VK_RETURN);
//Ctrl+Enter
end;
//热键
procedure TForm1.WMHotKey(var Msg: TWMHotKey);
begin
if Msg.HotKey = HotKeyId[0] then ShowMessage('F2');
if (Msg.HotKey=HotKeyId[1]) then ShowMessage('Up');
if (Msg.HotKey=HotKeyId[2]) then ShowMessage('Down');
if (Msg.HotKey=HotKeyId[3]) then ShowMessage('Left');
if (Msg.HotKey=HotKeyId[4]) then ShowMessage('Right');
if Msg.HotKey = HotKeyId[5]
then ShowMessage('PageUp');
if Msg.HotKey = HotKeyId[6] then ShowMessage('PageDown');
if Msg.HotKey = HotKeyId[7] then ShowMessage('+');
if Msg.HotKey = HotKeyId[8] then ShowMessage('-');
if Msg.HotKey = HotKeyId[9] then ShowMessage('1');
if Msg.HotKey = HotKeyId[10] then ShowMessage('a');
if Msg.HotKey = HotKeyId[11] then ShowMessage('Enter');
if Msg.HotKey = HotKeyId[12] then ShowMessage('Ctrl+Enter');
end;
procedure TForm1.FormDestroy(Sender: TObject);
var
i: Integer;
begin
//注销热键
for i := Low(HotKeyId) to High(HotKeyId) do
begin
UnRegisterHotKey(handle,HotKeyId[i]);
GlobalDeleteAtom(HotKeyId[i]);
end;
end;
end. |
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