/// <summary>
/// Raises the <see cref="FolderChanging"/> to stop navigation to a particular location.
/// </summary>
/// <param name="e">Cancelable event arguments.</param>
protected virtual void OnFolderChanging(CommonFileDialogFolderChangeEventArgs e)
{
EventHandler<CommonFileDialogFolderChangeEventArgs> handler = FolderChanging;
if (handler != null)
{
handler(this, e);
}
}
public HResult OnFolderChanging(IFileDialog pfd, IShellItem psiFolder)
{
CommonFileDialogFolderChangeEventArgs args = new CommonFileDialogFolderChangeEventArgs(
CommonFileDialog.GetFileNameFromShellItem(psiFolder));
if (!firstFolderChanged) { parent.OnFolderChanging(args); }
return (args.Cancel ? HResult.False : HResult.Ok);
}
public HResult OnFolderChanging(IFileDialog pfd, IShellItem psiFolder)
{
CommonFileDialogFolderChangeEventArgs args = new CommonFileDialogFolderChangeEventArgs(
CommonFileDialog.GetFileNameFromShellItem(psiFolder));
if (!firstFolderChanged) { parent.OnFolderChanging(args); }
return (args.Cancel ? HResult.False : HResult.Ok);
}
/// <summary>
/// Raises the <see cref="FolderChanging"/> to stop navigation to a particular location.
/// </summary>
/// <param name="e">Cancelable event arguments.</param>
protected virtual void OnFolderChanging(CommonFileDialogFolderChangeEventArgs e)
{
EventHandler<CommonFileDialogFolderChangeEventArgs> handler = FolderChanging;
if (handler != null)
{
handler(this, e);
}
}
public HRESULT OnFolderChanging(IFileDialog pfd, IShellItem psiFolder)
{
CommonFileDialogFolderChangeEventArgs args =
new CommonFileDialogFolderChangeEventArgs(CommonFileDialog.GetFileNameFromShellItem(psiFolder));
if (!firstFolderChanged)
parent.OnFolderChanging(args);
return (args.Cancel ? HRESULT.S_FALSE : HRESULT.S_OK);
}
private void FolderSelectionDialog_FolderChanging(object sender, CommonFileDialogFolderChangeEventArgs e)
{
// require folders to be loaded be either the same folder as the .tdb and .ddb or subfolders of it
if ((e.Folder == null) || (e.Folder.StartsWith(this.FolderPath, StringComparison.OrdinalIgnoreCase) == false))
{
// rather than cancel the event, override the selected path
// This produces a better experience in cases where the user selects a folder that's above the databases as there's a visible response
// when the current folder is a subfolder.
e.Folder = this.FolderPath;
}
}
