Underline a character in the tab text. The underlined character is used for mnemonic activation if keyboard traversal is enabled.
The zero based index or string id of the tab.
The index of the character to underline.
This widget to aid method chaining.
tkd.image.imageposition enableKeyboardTraversal
See Implementation
Underline a character in the tab text. The underlined character is used for mnemonic activation if keyboard traversal is enabled.