Function: registerCommand()
registerCommand(
command,callback,thisArg?):Disposable
Define a command, to be executed later, either by calling commands.executeCommand or by referencing its name in the command field of a StatusBarItem.
Parameters
• command: string
the name of the command. The name must be unique over all extensions. It is recommended to prefix this name with the name of the extension, to avoid conflicts with commands from other extensions.
• callback
the command to execute
• thisArg?: any
The value of this provided for the call to callback
Returns
A disposable that unregisters this command when being disposed
Throws
if a command with the same name is already registered.