winframe class : UserData getter

Description

Gets a numerical value that has been set in a window.

Syntax

winframeInstance.UserData

Arguments

None

Return value

ClassDescription
intA a numerical value that has been set in a window.

Sample code

1:

wfpool wfp;

2:

winframe winframeIns = wfp.GetActive(); // Gets a window that has focus.

3:

int userdata = winframeIns.UserData;

Notes

This getter gets the numeric value from the extended window memory by using Win32api. This numeric value is the value that has written by the UserData setter.

It returns 0 If a numerical value have not been written.

Caution: Other applications may be overwriting the written values.

Links for reference

None.

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