The horizontal coordinate (in pixels) of the upper-left corner of the block of data. This is relative to the component of the image from where this block was filled or is to be filled.

'宣言
 
Public ulx As System.Integer

'使用法
 
Dim instance As DataBlk
Dim value As System.Integer
 
value = instance.ulx
 
instance.ulx = value

public System.int ulx