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
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
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