Goes up one level in the file system structure.
This method selects the parent folder of the current folder.
TJamShellTreeNode.GetFirstChild
TJamShellTreeNode.GetLastChild
TJamShellTreeNode.GetNext
TJamShellTreeNode.GetNextChild
TJamShellTreeNode.GetNextSibling
TJamShellTreeNode.GetPrevSibling
The following lines of code will handle the click on a button for the parent folder.
TJamShellTree Class