private static String ShowDialogInner(IFileOpenDialog dialog, IntPtr parentHWnd, String title, String initialDirectory)
#endif
{
//IFileDialog ifd = dialog;
FileOpenOptions flags =
FileOpenOptions.NoTestFileCreate |
FileOpenOptions.PathMustExist |
FileOpenOptions.PickFolders |
FileOpenOptions.ForceFilesystem;
dialog.SetOptions(flags);
if (title != null)
{
dialog.SetTitle(title);
}
if (initialDirectory != null)
{
#if NETCOREAPP3_1_OR_GREATER
IShellItem2?initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
#else
IShellItem2 initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
#endif
if (initialDirectoryShellItem != null)
{
dialog.SetFolder(initialDirectoryShellItem);
}
}
//
HResult hr = dialog.Show(parentHWnd);
if (hr.ValidateDialogShowHResult())
{
dialog.GetResults(out IShellItemArray resultsArray);
#if NETCOREAPP3_1_OR_GREATER
IReadOnlyList <String?> fileNames = Utility.GetFileNames(resultsArray);
#else
IReadOnlyList <String> fileNames = Utility.GetFileNames(resultsArray);
#endif
if (fileNames.Count == 0)
{
return(null);
}
else
{
return(fileNames[0]);
}
}
else
{
// User cancelled.
return(null);
}
}
private static IReadOnlyList <String> ShowDialogInner(IFileOpenDialog dialog, IntPtr parentHWnd, String title, String initialDirectory, String defaultFileName, IReadOnlyCollection <Filter> filters, Int32 selectedFilterZeroBasedIndex, FileOpenOptions flags)
#endif
{
flags = flags |
FileOpenOptions.NoTestFileCreate |
FileOpenOptions.PathMustExist |
FileOpenOptions.ForceFilesystem;
dialog.SetOptions(flags);
if (title != null)
{
dialog.SetTitle(title);
}
if (initialDirectory != null)
{
#if NETCOREAPP3_1_OR_GREATER
IShellItem2?initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
#else
IShellItem2 initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
#endif
if (initialDirectoryShellItem != null)
{
dialog.SetFolder(initialDirectoryShellItem);
}
}
if (defaultFileName != null)
{
dialog.SetFileName(defaultFileName);
}
Utility.SetFilters(dialog, filters, selectedFilterZeroBasedIndex);
//
HResult hr = dialog.Show(parentHWnd);
if (hr.ValidateDialogShowHResult())
{
dialog.GetResults(out IShellItemArray resultsArray);
IReadOnlyList <String> fileNames = Utility.GetFileNames(resultsArray);
return(fileNames);
}
else
{
// User cancelled.
return(null);
}
}
private static String ShowDialogInner(IFileSaveDialog dialog, IntPtr parentHWnd, String title, String initialDirectory, String defaultFileName, IReadOnlyCollection <Filter> filters, Int32 selectedFilterZeroBasedIndex = -1)
#endif
{
FileOpenOptions flags =
FileOpenOptions.NoTestFileCreate |
FileOpenOptions.PathMustExist |
FileOpenOptions.ForceFilesystem |
FileOpenOptions.OverwritePrompt;
dialog.SetOptions(flags);
if (title != null)
{
dialog.SetTitle(title);
}
if (initialDirectory != null)
{
#if NETCOREAPP3_1_OR_GREATER
IShellItem2?initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
#else
IShellItem2 initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
#endif
if (initialDirectoryShellItem != null)
{
dialog.SetFolder(initialDirectoryShellItem);
}
}
// if( initialSaveAsItem != null )
// {
// IShellItem2 initialSaveAsItemShellItem = Utility.ParseShellItem2Name( initialDirectory );
// if( initialSaveAsItemShellItem != null )
// {
// dialog.SetSaveAsItem( initialSaveAsItemShellItem );
// }
// }
if (defaultFileName != null)
{
dialog.SetFileName(defaultFileName);
}
Utility.SetFilters(dialog, filters, selectedFilterZeroBasedIndex);
//
HResult hr = dialog.Show(parentHWnd);
if (hr.ValidateDialogShowHResult())
{
dialog.GetResult(out IShellItem selectedItem);
if (selectedItem != null)
{
return(Utility.GetFileNameFromShellItem(selectedItem));
}
else
{
return(null);
}
}
else
{
// User cancelled.
return(null);
}
}