Data Fields

IUP Signature, initialized with "IUPH", cleared on destroy

attribute table

class of the Ihandle

serial number used for controls that need a numeric id, initialized with -1

native handle. initialized when mapped

expand configuration

upper-left corner relative to the native parent. always 0 for the dialog.

user defined size for the control using SIZE or RASTERSIZE

the calculated size based in the control contents and the user size

actual size of the control in pixels (window size, including decorations and margins).

previous control in the hierarchy tree

first child control in the hierarchy tree

next control inside parent