Копирование директорий и удаление директорий в корзину



Автор: Xavier Pacheco

unit MainFrm;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Buttons;
type
TMainForm = class(TForm)
GroupBox1: TGroupBox;
spbtnGetFromDir: TSpeedButton;
spbtnGetToDir: TSpeedButton;
edtFromDir: TEdit;
edtToDir: TEdit;
Button1: TButton;
GroupBox2: TGroupBox;
edtRecycleDir: TEdit;
spbtnRecycleBin: TSpeedButton;
btnRecycleDir: TButton;
btnClose: TButton;
procedure spbtnGetFromDirClick(Sender: TObject);
procedure spbtnGetToDirClick(Sender: TObject);
procedure btnCopyDirectoryClick(Sender: TObject);
procedure spbtnRecycleBinClick(Sender: TObject);
procedure btnRecycleDirClick(Sender: TObject);
procedure btnCloseClick(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
MainForm: TMainForm;
implementation
uses ShellAPI, FileCtrl;
{$R *.DFM}
function GetDirectory: string;
begin
if not SelectDirectory(Result, [sdAllowCreate, sdPerformCreate, sdPrompt], 0)
then
Result := EmptyStr;
end;
procedure CopyDirectoryTree(AHandle: THandle; const AFromDirectory,
AToDirectory: string);
var
SHFileOpStruct: TSHFileOpStruct;
FromDir: PChar;
ToDir: PChar;
begin
GetMem(FromDir, Length(AFromDirectory) + 2);
try
GetMem(ToDir, Length(AToDirectory) + 2);
try
FillChar(FromDir^, Length(AFromDirectory) + 2, 0);
FillChar(ToDir^, Length(AToDirectory) + 2, 0);
StrCopy(FromDir, PChar(AFromDirectory));
StrCopy(ToDir, PChar(AToDirectory));
with SHFileOpStruct do
begin
Wnd := AHandle; // Assign the window handle
wFunc := FO_COPY; // Specify a file copy
pFrom := FromDir;
pTo := ToDir;
fFlags := FOF_NOCONFIRMATION or FOF_RENAMEONCOLLISION;
fAnyOperationsAborted := False;
hNameMappings := nil;
lpszProgressTitle := nil;
if SHFileOperation(SHFileOpStruct) <> 0 then
RaiseLastWin32Error;
end;
finally
FreeMem(ToDir, Length(AToDirectory) + 2);
end;
finally
FreeMem(FromDir, Length(AFromDirectory) + 2);
end;
end;
procedure ToRecycle(AHandle: THandle; const ADirName: string);
var
SHFileOpStruct: TSHFileOpStruct;
DirName: PChar;
BufferSize: Cardinal;
begin
BufferSize := Length(ADirName) + 1 + 1;
GetMem(DirName, BufferSize);
try
FillChar(DirName^, BufferSize, 0);
StrCopy(DirName, PChar(ADirName));
with SHFileOpStruct do
begin
Wnd := AHandle;
wFunc := FO_DELETE;
pFrom := DirName;
pTo := nil;
fFlags := FOF_ALLOWUNDO;
fAnyOperationsAborted := False;
hNameMappings := nil;
lpszProgressTitle := nil;
end;
if SHFileOperation(SHFileOpStruct) <> 0 then
RaiseLastWin32Error;
finally
FreeMem(DirName, BufferSize);
end;
end;
procedure TMainForm.spbtnGetFromDirClick(Sender: TObject);
begin
edtFromDir.Text := GetDirectory;
end;
procedure TMainForm.spbtnGetToDirClick(Sender: TObject);
begin
edtToDir.Text := GetDirectory;
end;
procedure TMainForm.btnCopyDirectoryClick(Sender: TObject);
begin
CopyDirectoryTree(Handle, edtFromDir.Text, edtToDir.Text);
end;
procedure TMainForm.spbtnRecycleBinClick(Sender: TObject);
begin
edtRecycleDir.Text := GetDirectory;
end;
procedure TMainForm.btnRecycleDirClick(Sender: TObject);
begin
ToRecycle(0, edtRecycleDir.Text);
end;
procedure TMainForm.btnCloseClick(Sender: TObject);
begin
Close;
end;
end.

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