主窗口调用第2个窗口,下列代码在第2个窗口中:
var
sUser,sCode : string;
sReg : TRegistry;
begin
sReg.RootKey:=HKEY_CURRENT_USER;
sReg.OpenKey('\Software\XSoft\MySoft',True);
sReg.WriteString('User',sUser);
sReg.WriteString('Code',sCode);
sReg.CloseKey;
end;
程序中有了这段代码后,整个程序退出是会发生错误,请问为什么?
var
sUser,sCode : string;
sReg : TRegistry;
begin
sReg.RootKey:=HKEY_CURRENT_USER;
sReg.OpenKey('\Software\XSoft\MySoft',True);
sReg.WriteString('User',sUser);
sReg.WriteString('Code',sCode);
sReg.CloseKey;
end;
程序中有了这段代码后,整个程序退出是会发生错误,请问为什么?
try
sReg.RootKey:=HKEY_CURRENT_USER;
if sReg.OpenKey('\Software\XSoft\MySoft',True) then
begin
sReg.WriteString('User',sUser);
sReg.WriteString('Code',sCode);
end;
sReg.CloseKey;
finally
sReg.free;
end;
sUser,sCode : string;
sReg : TRegistry;
begin
sReg:=TRegister.Create;//你没有调用这一句,创建一个新对象啊
sReg.RootKey:=HKEY_CURRENT_USER;
sReg.OpenKey('\Software\XSoft\MySoft',True);
sReg.WriteString('User',sUser);
sReg.WriteString('Code',sCode);
sReg.CloseKey;
sReg.Free;//用完之后要Free掉
end;
sReg:=TRegister.Create;//你没有调用这一句,创建一个新对象啊
sReg.Free;//用完之后要Free掉
with sReg do
try
RootKey:=HKEY_CURRENT_USER;
if OpenKey('\Software\XSoft\MySoft',True) then
begin
WriteString('User',sUser);
WriteString('Code',sCode);
end;
CloseKey;
finally
Free;
end;
var
sUser,sCode : string;
sReg : TRegistry;
begin
sReg:=TRegistry.Create;//加入这句话
try
sReg.RootKey:=HKEY_CURRENT_USER;
sReg.OpenKey('\Software\XSoft\MySoft',True);
sReg.WriteString('User',sUser);
sReg.WriteString('Code',sCode);
sReg.CloseKey;
finally
sReg.free;
end;
end;