private void SetDialogProperties(Ookii.Dialogs.Interop.IFileDialog dialog)
{
// Description
if (!string.IsNullOrEmpty(_description))
{
if (_useDescriptionForTitle)
{
dialog.SetTitle(_description);
}
else
{
Ookii.Dialogs.Interop.IFileDialogCustomize customize = (Ookii.Dialogs.Interop.IFileDialogCustomize)dialog;
customize.AddText(0, _description);
}
}
dialog.SetOptions(NativeMethods.FOS.FOS_PICKFOLDERS | NativeMethods.FOS.FOS_FORCEFILESYSTEM | NativeMethods.FOS.FOS_FILEMUSTEXIST);
if (!string.IsNullOrEmpty(_selectedPath))
{
string parent = Path.GetDirectoryName(_selectedPath);
if (parent == null || !Directory.Exists(parent))
{
dialog.SetFileName(_selectedPath);
}
else
{
string folder = Path.GetFileName(_selectedPath);
dialog.SetFolder(NativeMethods.CreateItemFromParsingName(parent));
dialog.SetFileName(folder);
}
}
}
/// <summary>
/// Specifies a common dialog box.
/// </summary>
/// <param name="hwndOwner">A value that represents the window handle of the owner window for the common dialog box.</param>
/// <returns><see langword="true" /> if the file could be opened; otherwise, <see langword="false" />.</returns>
protected override bool RunDialog(IntPtr hwndOwner)
{
if (_downlevelDialog != null)
{
return(_downlevelDialog.ShowDialog(hwndOwner == IntPtr.Zero ? null : new Interop.WindowHandleWrapper(hwndOwner)) == DialogResult.OK);
}
Ookii.Dialogs.Interop.IFileDialog dialog = null;
try
{
dialog = new Ookii.Dialogs.Interop.NativeFileOpenDialog();
SetDialogProperties(dialog);
int result = dialog.Show(hwndOwner);
if (result < 0)
{
if ((uint)result == (uint)Interop.HRESULT.ERROR_CANCELLED)
{
return(false);
}
else
{
throw System.Runtime.InteropServices.Marshal.GetExceptionForHR(result);
}
}
GetResult(dialog);
return(true);
}
finally
{
if (dialog != null)
{
System.Runtime.InteropServices.Marshal.FinalReleaseComObject(dialog);
}
}
}
public Interop.HRESULT OnFileOk(Ookii.Dialogs.Interop.IFileDialog pfd)
{
if (_dialog.DoFileOk(pfd))
{
return(Ookii.Dialogs.Interop.HRESULT.S_OK);
}
else
{
return(Ookii.Dialogs.Interop.HRESULT.S_FALSE);
}
}
public void OnOverwrite(Ookii.Dialogs.Interop.IFileDialog pfd, Ookii.Dialogs.Interop.IShellItem psi, out NativeMethods.FDE_OVERWRITE_RESPONSE pResponse)
{
pResponse = NativeMethods.FDE_OVERWRITE_RESPONSE.FDEOR_DEFAULT;
}
public void OnTypeChange(Ookii.Dialogs.Interop.IFileDialog pfd)
{
}
public void OnShareViolation(Ookii.Dialogs.Interop.IFileDialog pfd, Ookii.Dialogs.Interop.IShellItem psi, out NativeMethods.FDE_SHAREVIOLATION_RESPONSE pResponse)
{
pResponse = NativeMethods.FDE_SHAREVIOLATION_RESPONSE.FDESVR_DEFAULT;
}
public void OnSelectionChange(Ookii.Dialogs.Interop.IFileDialog pfd)
{
}
public void OnFolderChange(Ookii.Dialogs.Interop.IFileDialog pfd)
{
}
public Interop.HRESULT OnFolderChanging(Ookii.Dialogs.Interop.IFileDialog pfd, Ookii.Dialogs.Interop.IShellItem psiFolder)
{
return(Ookii.Dialogs.Interop.HRESULT.S_OK);
}
private void GetResult(Ookii.Dialogs.Interop.IFileDialog dialog)
{
Ookii.Dialogs.Interop.IShellItem item;
dialog.GetResult(out item);
item.GetDisplayName(NativeMethods.SIGDN.SIGDN_FILESYSPATH, out _selectedPath);
}
