TreeView.ColumnHeaderHighResImage Method
Sets or gets the Retina high resolution header image for a specific column header.

ColumnHeaderHighResImage(
index
as Integer)
as Picture

ColumnHeaderHighResImage(
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 high resolution image to put in the header when using the setter.
This high resolution image has to be exactly 2x larger than the image.
If having a high resolution image then you must also have a image else no image is displayed. End size is controlled by the main image.
Returns
- Picture
- Returns the high resolution image from the header when using the getter, nil if no high resolution image has been set.
Remarks
See Also
TreeView Control