Creates a new Header object; can also be called as
PARENT->AddHeader(%OPTIONS). Class specific %OPTIONS are:
  -buttons => 0/1 (default 0)
    header items look like push buttons and can be clicked.
  -hottrack => 0/1 (default 0)
  -imagelist => Win32::GUI::ImageList object
Changes the options for an item in the Header control. Returns nonzero if successful, zero otherwise. For a list of the available options see InsertItem().
 
Deletes all items from the control.
 
 
Returns the number of items in the Header control.
 
 
Deletes the zero-based INDEX item from the Header.
 
 
Checks if the specified point is on an Header item; it returns the index of
the found item or -1 if none was found. If called in an array context, it
returns an additional value containing more info about the position of the
specified point.
 
 
Inserts a new item in the Header control. Returns the newly created item
zero-based index or -1 on errors.  
 
 
Returns a four element array defining the rectangle of the specified
zero-based INDEX item; the array contains (left, top, right, bottom). If
not succesful returns undef.
%OPTIONS can be:
  -index => position
  -image => index of an image from the associated ImageList
  -bitmap => Win32::GUI::Bitmap object
  -width => pixels
  -height => pixels
  -text => string
  -align => left|center|right
Sent when a divider of the Header control is being moved; the event must return 0 to prevent moving the divider, 1 to allow it. Passes the zero-based INDEX of the item being resized and its current WIDTH.
 
Sent when the user double-clicked on a divider of the Header control.
 
 
Sent when a divider of the Header control has been moved. Passes the
zero-based INDEX of the item being resized and its current WIDTH.
 
 
Sent when the user clicked on a Header item.
 
 
Sent when the user double-clicked on a Header item.
 
 
Sent while a divider of the Header control is being moved; the event must
return 1 to continue moving the divider, 0 to end its movement. Passes the
zero-based INDEX of the item being resized and its current WIDTH.