protected void FireNavigateFiles(NavigateFileOperation operation)
{
if (this.NavigateFilesEvent != null)
{
NavigateFilesEvent(operation);
}
}
private void NavigateFiles(NavigateFileOperation operation)
{
if (operation == NavigateFileOperation.Next || operation == NavigateFileOperation.Previous)
{
TreeNode n = this.fileList.SelectedNode;
int i = this.fileList.Nodes.IndexOf(n);
if (i == -1)
{
i = operation == NavigateFileOperation.Next ? 0 : this.fileList.Nodes.Count - 1;
}
else
{
i += operation == NavigateFileOperation.Next ? 1 : -1;
}
if (i >= 0 && i < this.fileList.Nodes.Count)
{
n = this.fileList.Nodes[i];
this.fileList.SelectedNode = n;
}
}
if (operation == NavigateFileOperation.Delete)
{
TreeNode n = this.fileList.SelectedNode;
if (n != null && n.Tag is FileSystemInfo)
{
ShellFileOperation fo = new ShellFileOperation();
int i = this.fileList.Nodes.IndexOf(n);
fo.Operation = ShellFileOperation.FileOperations.FO_DELETE;
fo.OwnerWindow = this.Handle;
fo.SourceFiles = new string[] { ((FileSystemInfo)n.Tag).FullName };;
bool RetVal = fo.DoOperation();
if (RetVal)
{
// delete was successful -> update the list
RefreshFileList(currentDirectory, true);
if (i >= this.fileList.Nodes.Count)
{
i = this.fileList.Nodes.Count - 1;
}
if (i >= 0 && i < this.fileList.Nodes.Count)
{
n = this.fileList.Nodes[i];
this.fileList.SelectedNode = n;
}
}
}
}
}