注册表HKEY_CURRENT_USER hxsoft\czy 下面有dm,mc等各项值
现在我想读取dm 的值
我的代码是:
procedure TForm1.Button1Click(Sender: TObject);
begin
New_key:=Tregistry.Create;
New_key.RootKey:=HKEY_CURRENT_USER;
New_key.OpenKey('hxsoft\czy\reg',False);
edit1.Text:=New_key.ReadString('Dm');
end;在编辑框不能显示读取的信息。
不知道是什么原因。
麻烦大家帮帮忙。
谢谢!
现在我想读取dm 的值
我的代码是:
procedure TForm1.Button1Click(Sender: TObject);
begin
New_key:=Tregistry.Create;
New_key.RootKey:=HKEY_CURRENT_USER;
New_key.OpenKey('hxsoft\czy\reg',False);
edit1.Text:=New_key.ReadString('Dm');
end;在编辑框不能显示读取的信息。
不知道是什么原因。
麻烦大家帮帮忙。
谢谢!
uses
Registry;
// Read REG_DWORD
procedure TForm1.Button1Click(Sender: TObject);
var
Reg: TRegistry;
RegKey: DWORD;
Key: string;
begin
Reg := TRegistry.Create;
try
Reg.RootKey := HKEY_USERS;
Key := '.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\URL History';
if Reg.OpenKeyReadOnly(Key) then
begin
if Reg.ValueExists('DaysToKeep') then
begin
RegKey := Reg.ReadInteger('DaysToKeep');
Reg.CloseKey;
ShowMessage(IntToStr(RegKey));
end;
end;
finally
Reg.Free
end;
end;
//HKEY_CURRENT_USER \ hxsoft\czy 下面有dm,mc那你代码里路径错了,改成这样的...procedure TForm1.Button1Click(Sender: TObject);
begin
New_key:=Tregistry.Create;
New_key.RootKey:=HKEY_CURRENT_USER;
New_key.OpenKey('hxsoft\czy',False);
edit1.Text:=New_key.ReadString('Dm');
edit2.text:=New_Key.readstring('MC');
end;
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Registry, Dialogs, StdCtrls;type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Button3: TButton;
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Button4: TButton;
ListBox1: TListBox;
Label4: TLabel;
Label5: TLabel;
Label6: TLabel;
Edit4: TEdit;
Edit5: TEdit;
Edit6: TEdit;
Button5: TButton;
Button6: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure Button6Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation
{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject); //创建
var
MyReg: TRegistry;
begin
Try
MyReg:= TRegistry.Create;
MyReg.RootKey:= HKEY_CURRENT_USER;
MyReg.OpenKey('\xxx\xxx\',True);
Finally
MyReg.CloseKey;
MyReg.Free;
end;
end;
procedure TForm1.Button2Click(Sender: TObject); //删除
var
MyReg: TRegistry;
begin
Try
MyReg:= TRegistry.Create;
MyReg.RootKey:= HKEY_CURRENT_USER;
MyReg.DeleteKey('\xxx\xxx');
Finally
MyReg.CloseKey;
MyReg.Free;
end;
end;procedure TForm1.Button3Click(Sender: TObject);//写入
var
MyReg: TRegistry;
begin
Try
MyReg:= TRegistry.Create;
MyReg.RootKey:= HKEY_CURRENT_USER;
if MyReg.OpenKey('\xxx\xxx',True) then
begin
MyReg.WriteString('ddd','10');
MyReg.WriteString('dm','test');
MyReg.WriteString('mc','123456');
Application.MessageBox('成功!','提示信息',64);
MyReg.CloseKey;
MyReg.Free;
end;
except
Application.MessageBox('操作失败!','提示信息',64);
end;
end;procedure TForm1.Button4Click(Sender: TObject); //显示
var
MyReg: TRegistry;
begin
Try
MyReg:= TRegistry.Create;
MyReg.RootKey:= HKEY_CURRENT_USER;
if MyReg.OpenKey('\xxx\xxx',True) then
begin
ListBox1.Items.Add('String类型'+MyReg.ReadString('mc')+MyReg.ReadString('dm')); Application.MessageBox('成功!','提示信息',64);
MyReg.CloseKey;
MyReg.Free;
end;
except
Application.MessageBox('操作失败!','提示信息',64);
end;
end;procedure TForm1.Button5Click(Sender: TObject); //显示
var
MyReg: TRegistry;
num:string;
begin
Try
MyReg:= TRegistry.Create;
MyReg.RootKey:= HKEY_CURRENT_USER;
if MyReg.OpenKey('\xxx\xxx',True) then
begin
Edit4.Text :=MyReg.ReadString('dm');
Edit5.Text :=MyReg.ReadString('mc');
num:=MyReg.ReadString('ddd'); Edit6.Text :=IntToStr(StrToInt(num)); Application.MessageBox('成功!','提示信息',64);
MyReg.CloseKey;
MyReg.Free;
end;
except
Application.MessageBox('操作失败!','提示信息',64);
end;
end;procedure TForm1.Button6Click(Sender: TObject);
var
MyReg: TRegistry;
begin
Try
MyReg:= TRegistry.Create;
MyReg.RootKey:= HKEY_CURRENT_USER;
if MyReg.OpenKey('\xxx\xxx',True) then
begin
MyReg.WriteString('dm',Edit1.text);
MyReg.WriteString('mc',Edit2.text);
MyReg.WriteString('ddd',Edit3.text);
Application.MessageBox('成功!','提示信息',64);
MyReg.CloseKey;
MyReg.Free;
end;
except
Application.MessageBox('操作失败!','提示信息',64);
end;
end;end.
还是这个:New_key.OpenKey('hxsoft\czy',False);
请用REGEDIT命令去查看一下你的注册文件所在位置,再回来改一下这里就行了的!