private static String ShowDialogInner(IFileSaveDialog dialog, IntPtr parentWindowHandle, String title, String initialDirectory, String defaultFileName, IReadOnlyCollection <Filter> filters, Int32 selectedFilterZeroBasedIndex = -1)
{
FileOpenOptions flags =
FileOpenOptions.NoTestFileCreate |
FileOpenOptions.PathMustExist |
FileOpenOptions.ForceFilesystem |
FileOpenOptions.OverwritePrompt;
dialog.SetOptions(flags);
if (title != null)
{
dialog.SetTitle(title);
}
if (initialDirectory != null)
{
IShellItem2 initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
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 result = dialog.Show(parentWindowHandle);
if (result == HResult.Ok)
{
IShellItem selectedItem;
dialog.GetResult(out selectedItem);
if (selectedItem != null)
{
return(Utility.GetFileNameFromShellItem(selectedItem));
}
else
{
return(null);
}
}
else if (result == HResult_Win32_Canceled)
{
// Cancelled by user.
return(null);
}
else
{
UInt32 win32ErrorCode = Utility.Win32ErrorFromHResult((UInt32)result);
throw new Win32Exception(error: (Int32)win32ErrorCode);
}
}
private static String ShowDialogInner(IFileSaveDialog dialog, IntPtr parentHWnd, String title, String initialDirectory, String defaultFileName, IReadOnlyCollection <Filter> filters, Int32 selectedFilterZeroBasedIndex = -1)
{
FileOpenOptions flags =
FileOpenOptions.NoTestFileCreate |
FileOpenOptions.PathMustExist |
FileOpenOptions.ForceFilesystem |
FileOpenOptions.OverwritePrompt;
dialog.SetOptions(flags);
if (title != null)
{
dialog.SetTitle(title);
}
if (initialDirectory != null)
{
IShellItem2 initialDirectoryShellItem = Utility.ParseShellItem2Name(initialDirectory);
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 result = dialog.Show(parentHWnd);
HResult cancelledAsHResult = Utility.HResultFromWin32((int)HResult.Win32ErrorCanceled);
if (result == cancelledAsHResult)
{
// Cancelled
return(null);
}
else
{
// OK
IShellItem selectedItem;
dialog.GetResult(out selectedItem);
if (selectedItem != null)
{
return(Utility.GetFileNameFromShellItem(selectedItem));
}
else
{
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);
}
}
