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EM_GETTHUMB message

  • Artikkel

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

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2003 [desktop apps only]
Header
Winuser.h (include Windows.h)