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URegistry.pas
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URegistry.pas
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unit URegistry;
interface
type
TCustomization = class
public
class procedure LoadRegistry;
class procedure SaveRegistry;
end;
implementation
uses System.Win.Registry, Winapi.Windows, System.SysUtils, System.UITypes,
UFrmMain;
const KEY = 'SOFTWARE\Digao\Updater';
class procedure TCustomization.LoadRegistry;
var
R: TRegistry;
function ReadIntDef(const Name: string; Default: Integer): Integer;
begin
if R.ValueExists(Name) then
Result := R.ReadInteger(Name)
else
Result := Default;
end;
var
WP: TWindowPlacement;
begin
R := TRegistry.Create;
try
R.RootKey := HKEY_CURRENT_USER;
if R.OpenKeyReadOnly(KEY) then
begin
WP.rcNormalPosition.Left := ReadIntDef('X', FrmMain.Left);
WP.rcNormalPosition.Top := ReadIntDef('Y', FrmMain.Top);
WP.rcNormalPosition.Width := ReadIntDef('W', FrmMain.Width);
WP.rcNormalPosition.Height := ReadIntDef('H', FrmMain.Height);
WP.length := SizeOf(WP);
SetWindowPlacement(FrmMain.Handle, WP);
if ReadIntDef('Max', Integer(False)) = Integer(True) then
FrmMain.WindowState := TWindowState.wsMaximized;
FrmMain.LDefs.Height := ReadIntDef('DefinitionsHeight', FrmMain.LDefs.Height);
end;
finally
R.Free;
end;
end;
class procedure TCustomization.SaveRegistry;
var
R: TRegistry;
WP: TWindowPlacement;
begin
R := TRegistry.Create;
try
R.RootKey := HKEY_CURRENT_USER;
if not R.OpenKey(Key, True) then
raise Exception.Create('Cannot create registry key');
WP.length := SizeOf(WP);
GetWindowPlacement(FrmMain.Handle, WP);
R.WriteInteger('X', WP.rcNormalPosition.Left);
R.WriteInteger('Y', WP.rcNormalPosition.Top);
R.WriteInteger('W', WP.rcNormalPosition.Width);
R.WriteInteger('H', WP.rcNormalPosition.Height);
R.WriteInteger('Max', Integer(FrmMain.WindowState=TWindowState.wsMaximized));
R.WriteInteger('DefinitionsHeight', FrmMain.LDefs.Height);
finally
R.Free;
end;
end;
end.