public void SetCurrentDirectoryToNonExistant()
{
using (var cleaner = new TestFileCleaner())
{
string directoryPath = cleaner.GetTestPath();
Action action = () => DirectoryMethods.SetCurrentDirectory(directoryPath);
action.ShouldThrow <System.IO.FileNotFoundException>();
}
}
public void SetCurrentDirectoryBasic()
{
string currentDirectory = DirectoryMethods.GetCurrentDirectory();
StoreHelper.ValidateStoreGetsUnauthorizedAccess(() =>
{
DirectoryMethods.SetCurrentDirectory(@"C:\");
DirectoryMethods.GetCurrentDirectory().Should().Be(@"C:\");
});
DirectoryMethods.SetCurrentDirectory(currentDirectory);
DirectoryMethods.GetCurrentDirectory().Should().Be(currentDirectory);
}
unsafe static LRESULT WindowProcedure(WindowHandle window, WindowMessage message, WPARAM wParam, LPARAM lParam)
{
const string filter = "*.*";
switch (message)
{
case WindowMessage.Create:
SIZE baseUnits = Windows.GetDialogBaseUnits();
rect.left = 20 * baseUnits.cx;
rect.top = 3 * baseUnits.cy;
// Create listbox and static text windows.
hwndList = Windows.CreateWindow("listbox", null,
WindowStyles.Child | WindowStyles.Visible | (WindowStyles)ListBoxStyles.Standard, ExtendedWindowStyles.None,
baseUnits.cx, baseUnits.cy * 3, baseUnits.cx * 13 + Windows.GetSystemMetrics(SystemMetric.CXVSCROLL), baseUnits.cy * 10,
window, (IntPtr)ID_LIST, ((CREATESTRUCT *)lParam)->hInstance, IntPtr.Zero);
hwndText = Windows.CreateWindow("static", DirectoryMethods.GetCurrentDirectory(),
WindowStyles.Child | WindowStyles.Visible | (WindowStyles)StaticStyles.Left, ExtendedWindowStyles.None,
baseUnits.cx, baseUnits.cy, baseUnits.cx * 260, baseUnits.cy,
window, (IntPtr)ID_TEXT, ((CREATESTRUCT *)lParam)->hInstance, IntPtr.Zero);
OldList = hwndList.SetWindowProcedure(s_ListBoxProcedure);
fixed(char *f = filter)
hwndList.SendMessage(ListBoxMessage.Directory, (uint)DIRATTR, f);
return(0);
case WindowMessage.Size:
rect.right = lParam.LowWord;
rect.bottom = lParam.HighWord;
return(0);
case WindowMessage.SetFocus:
hwndList.SetFocus();
return(0);
case WindowMessage.Command:
if (wParam.LowWord == ID_LIST &&
(wParam.HighWord == (ushort)ListBoxNotification.DoubleClick))
{
uint i = hwndList.SendMessage(ListBoxMessage.GetCurrentSelection, 0, 0);
if (i == WindowDefines.LB_ERR)
{
break;
}
int iLength = hwndList.SendMessage(ListBoxMessage.GetTextLength, i, 0) + 1;
char *textBuffer = stackalloc char[iLength];
int result = hwndList.SendMessage(ListBoxMessage.GetText, i, textBuffer);
szFile = new string(textBuffer, 0, result);
SafeFileHandle hFile = null;
try
{
using (hFile = FileMethods.CreateFile(szFile, CreationDisposition.OpenExisting,
DesiredAccess.GenericRead, ShareModes.Read))
{
if (!hFile.IsInvalid)
{
bValidFile = true;
hwndText.SetWindowText(DirectoryMethods.GetCurrentDirectory());
}
}
hFile = null;
}
catch
{
}
if (hFile == null && szFile[0] == ('['))
{
bValidFile = false;
// If setting the directory doesn’t work, maybe it’s a drive change, so try that.
try { DirectoryMethods.SetCurrentDirectory(szFile.Substring(1, szFile.Length - 2)); }
catch
{
try { DirectoryMethods.SetCurrentDirectory($"{szFile[2]}:"); }
catch { }
}
// Get the new directory name and fill the list box.
hwndText.SetWindowText(DirectoryMethods.GetCurrentDirectory());
hwndList.SendMessage(ListBoxMessage.ResetContent, 0, 0);
fixed(char *f = filter)
hwndList.SendMessage(ListBoxMessage.Directory, (uint)DIRATTR, f);
}
window.Invalidate();
}
return(0);
case WindowMessage.Paint:
if (!bValidFile)
{
break;
}
uint bytesRead;
using (var hFile = FileMethods.CreateFile(szFile, CreationDisposition.OpenExisting,
DesiredAccess.GenericRead, ShareModes.Read))
{
if (hFile.IsInvalid)
{
bValidFile = false;
break;
}
bytesRead = FileMethods.ReadFile(hFile, buffer, MAXREAD);
}
using (DeviceContext dc = window.BeginPaint())
{
dc.SelectObject(StockFont.SystemFixed);
dc.SetTextColor(Windows.GetSystemColor(SystemColor.ButtonText));
dc.SetBackgroundColor(Windows.GetSystemColor(SystemColor.ButtonFace));
dc.DrawText(Encoding.UTF8.GetString(buffer), rect, DTFLAGS);
}
return(0);
case WindowMessage.Destroy:
Windows.PostQuitMessage(0);
return(0);
}
return(Windows.DefaultWindowProcedure(window, message, wParam, lParam));
}
