TreeView.ColumnHeaderImage Method
Sets or gets the header image for a specific column header.

ColumnHeaderImage(
index
as Integer)
as Picture

ColumnHeaderImage(
index
as Integer
assigns value
as Picture)
Parameters
- index
- The index of the header to set or get the image for.
- value (assignment parameter)
- The Image to put in the header when using the setter.
Returns
- Picture
- Returns the image from the header when using the getter, nil if no image has been set.
Remarks
16 x 16 pixel max size. Note that MacOS X headers are 16 pixels in height so you would want to have the image either smaller or transparent on the edges so it would not be tight fit. See the Images in the Headers in Apple Mail to see what would look good on the Mac OS X.
See Also
TreeView Control