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EM_GETTHUMB message

Gets the position of the scroll box (thumb) in the vertical scroll bar of a multiline edit control. You can send this message to either an edit control or a rich edit control.

Parameters

wParam

Not used; must be zero.

lParam

Not used; must be zero.

Return value

The return value is the position of the scroll box.

Remarks

Rich Edit: Supported in Microsoft Rich Edit 2.0 and later. For information about the compatibility of rich edit versions with the various system versions, see About Rich Edit Controls.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Winuser.h (include Windows.h)

 

 

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