ShellBrowser Delphi Components Documentation
ContentsIndexHome
PreviousUpNext
ShellControls.TJamShellTree.IsMovePossible

Checks if move is possible.

Syntax
Pascal
function IsMovePossible(Delta: Integer): Boolean;
Parameters 
Description 
Delta: Integer 
The amount of positions that should be moved.  

True if the move of Delta positions can be performed.

This method checks if moving back or forward is possible. Set delta to the same value as the delta value in the move function.

procedure TMainForm.JamShellListChange(Sender: TObject; Item: TJamShellListItem; Change: TItemChange);
begin
MoveForwardButton.Enabled := JamShellTree.IsMovePossible(1);
MoveBackButton.Enabled := JamShellTree.IsMovePossible(-1);
end;