Some functions for AHK GUI Tab2 controls.

• TC_EX_Add
  Adds a new tab at the end of the tabs control.
• TC_EX_GetCount
  Retrieves the number of tabs in a tab control.
• TC_EX_GetFocus
  Returns the index of the tab that has the focus.
• TC_EX_GetIcon
  Retrieves the icon assigned to the specified tab in a tab control.
• TC_EX_GetInterior
  Retrieves the display area of a tab control relative to it's window.
• TC_EX_GetRect
  Retrieves the bounding rectangle for a tab in a tab control.
• TC_EX_GetSel
  Determines the currently selected tab in a tab control.
• TC_EX_GetText
  Retrieves the label assigned to the specified tab in a tab control.
• TC_EX_HighLight
  Sets the highlight state of a tab in a tab control.
• TC_EX_RemoveLast
  Removes the last tab of a tab control, if it is not the only one.
• TC_EX_SetIcon
  Assigns an icon to a tab in a tab control.
• TC_EX_SetImageList
  Assigns an image list to a tab control.
• TC_EX_SetFocus
  Sets the focus to a specified tab in a tab control.
• TC_EX_SetMinWidth
  Sets the minimum width of items in a tab control.
• TC_EX_SetPadding
  Sets the amount of space (padding) around each tab's icon and label in a tab control.
• TC_EX_SetSel
  Selects a tab in a tab control.
• TC_EX_SetSize
  Sets the width and height of tabs in a fixed-width or owner-drawn tab control.
• TC_EX_SetText
  Assigns a label to the specified tab in a tab control.