http://s45.radikal.ru/i108/0906/af/141f2f4bf10b.jpg
http://shareua.com/get_file/f96e28/2995221
http://s51.radikal.ru/i134/0906/11/b6339d082574.jpg
Код: Выделить всё
var n: Integer; FreeMB, TotalMB: Cardinal; VolumeName, FileSystemName: String; VolumeSerialNo, MaxComponentLength, FileSystemFlags: Longint; ListBox: TListBox; StartMenuTreeView: TStartMenuFolderTreeView;
const oneMB= 1024*1024;
function GetLogicalDrives: DWord; external 'GetLogicalDrives@kernel32.dll stdcall';
function GetDriveType(nDrive: String): Longint; external 'GetDriveTypeA@kernel32.dll stdcall';
function GetVolumeInformation(PathName,VolumeName: PChar; VolumeNameSize,VolumeSerialNumber,MaxComponentLength,FileSystemFlags: Longint; FileSystemName: PChar; FileSystemNameSize: Longint): Longint; external 'GetVolumeInformationA@kernel32.dll stdcall';
function MessageBox(hWnd: Integer; lpText, lpCaption: String; uType: Cardinal): Integer; external 'MessageBoxA@user32.dll stdcall';
Function ByteOrTB(Bytes: Extended; noMB: Boolean): String; { Перевод числа в значение бт/Кб/Мб/Гб/Тб (до 3х знаков после запятой)}
Begin
if not noMB then Result:= FloatToStr(Int(Bytes)) +' Мб' else
if Bytes < 1024 then Result:= FloatToStr(Int(Bytes)) +' Бт' else
if Bytes/1024 < 1024 then Result:= FloatToStr(round((Bytes/1024)*10)/10) +' Кб' else
If Bytes/oneMB < 1024 then Result:= FloatToStr(round(Bytes/oneMB*100)/100) +' Мб' else
If Bytes/oneMB/1000 < 1024 then Result:= FloatToStr(round(Bytes/oneMB/1024*1000)/1000) +' Гб' else
Result:= FloatToStr(round(Bytes/oneMB/oneMB*1000)/1000) +' Тб'
StringChange(Result, ',', '.')
End;
Function DelSP(String: String): String; { Удаление начальных, конечных и повторных пробелов }
Begin while (Pos(' ', String) > 0) do Delete(String, Pos(' ', String), 1); Result:= Trim(String); End;
Function CutString(String: String; MaxLength: Longint): String; { Обрезать строку до заданного кол-ва символов}
Begin
if Length(String) > MaxLength then Result:= Copy(String, 1, 6) +'...'+ Copy(String, Length(String) - MaxLength +9, MaxLength)
else Result:= String;
End;
Procedure GetDiskInfo(Disk: String);
Begin
FileSystemName:= StringOfChar(' ', 32); VolumeName:= StringOfChar(' ', 256);
GetVolumeInformation(Disk, VolumeName, 255, VolumeSerialNo, MaxComponentLength, FileSystemFlags, FileSystemName, 31);
FileSystemName:= DelSp(FileSystemName); VolumeName:= DelSp(VolumeName); if VolumeName='' then VolumeName:='без метки';
End;
Procedure ListBoxRefresh; var FreeB, TotalB: Cardinal; Path, String: string; Begin
ListBox.Items.Clear
for n:= 1 to 31 do // диск 'А' пропустить
if (GetLogicalDrives and (1 shl n)) > 0 then
if (GetDriveType(Chr(ord('A') + n) +':\') = 2) or (GetDriveType(Chr(ord('A') + n) +':\') = 3) then
if GetSpaceOnDisk(Chr(ord('A') + n) +':\', True, FreeMB, TotalMB) then ListBox.Items.Add(Chr(ord('A') + n) +':');
for n:= 0 to ListBox.Items.Count -1 do begin
Path:= Copy(ListBox.Items[n],1,2) +'\' { если в накопителе нет диска, пропустить обновление }
if GetSpaceOnDisk(Path, False, FreeB, TotalB) and GetSpaceOnDisk(Path, True, FreeMB, TotalMB) then begin GetDiskInfo(Path);
if FreeB >= $7FFFFFFF then String:= PadL(ByteOrTB(FreeMB*oneMB, true),10) else String:= PadL(ByteOrTB(FreeB, true),10);
if TotalB >= $7FFFFFFF then begin TotalB:= TotalMB; FreeB:= FreeMB; String:= PadL(ByteOrTB(TotalMB*oneMB, true),11) +' всего -'+ String end else String:= PadL(ByteOrTB(TotalB, true),11) +' всего| '+ String;
ListBox.Items[n]:= Copy(Path,1,2) + String + PadL(FloatToStr(round(FreeB/TotalB*100)),3)+ '% своб|'+ PadL(FileSystemName,5)+ '| '+ CutString(VolumeName,9); end; end;
End;
var baseDisk, baseDir: string;
Procedure ObjectOnClick(Sender: TObject); Begin
Case TObject(Sender) of
ListBox: for n:= 0 to ListBox.Items.Count-1 do if ListBox.Selected[n] then if baseDisk = ListBox.Items[n][1] then WizardForm.DirEdit.Text:= baseDir else WizardForm.DirEdit.Text:= ListBox.Items[n][1] +':\'+ ExtractFileName(WizardForm.DirEdit.Text)
StartMenuTreeView: if StartMenuTreeView.Directory '' then WizardForm.GroupEdit.Text:= StartMenuTreeView.Directory else WizardForm.GroupEdit.Text:= '{#SetupSetting("DefaultGroupName")}'
WizardForm.NoIconsCheck: begin WizardForm.GroupEdit.Enabled:= not(WizardForm.GroupEdit.Enabled); StartMenuTreeView.Enabled:= WizardForm.GroupEdit.Enabled; WizardForm.GroupBrowseButton.Enabled:= WizardForm.GroupEdit.Enabled end;
end; End;
Procedure CurPageChanged(CurPageID: Integer);
Begin
if CurPageID = wpSelectDir then ListBoxRefresh
End;
Procedure InitializeWizard;
Begin
ListBox:= TListBox.Create(WizardForm)
ListBox.SetBounds(WizardForm.DirEdit.Left, WizardForm.DirEdit.Top + WizardForm.DirEdit.Height + 8, WizardForm.DirBrowseButton.Left + WizardForm.DirBrowseButton.Width - WizardForm.DirEdit.Left, WizardForm.DiskSpaceLabel.Top - (WizardForm.DirEdit.Top + WizardForm.DirEdit.Height + 12))
ListBox.Font.Size:= 9
ListBox.Font.Style:= [fsBold]
ListBox.Font.Name:= 'Courier New';
ListBox.OnClick:= @ObjectOnClick;
ListBox.Parent:= WizardForm.SelectDirPage;
baseDir:= WizardForm.DirEdit.Text
baseDisk:= WizardForm.DirEdit.Text[1]
End;
