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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| No
| Import Library
| -
| Header File
| winuser.h
| Unicode
| No
| Platform Notes
| None
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EM_SETMARGINS
An application sends the EM_SETMARGINS message to set the widths of the left
and right margins for an edit control. The message redraws the control to
reflect the new margins.
EM_SETMARGINS
wParam = (WPARAM) fwMargin; // left and/or right margins
lParam = (LPARAM) MAKELONG(wLeft, wRight); // width of left or right
margins, in pixels
Parameters
fwMargin
Value of wParam. Specifies the margins to set. This parameter can be a combination of the
following values:
Value
| Meaning
| EC_LEFTMARGIN
| Sets the left margin.
| EC_RIGHTMARGIN
| Sets the right margin.
| EC_USEFONTINFO
| Uses information about the current font of the edit control to set the
margins. For a single-line edit control, margins are set to the average width of
characters in the font. For a multiline edit control, the right margin is set to the
"A" width of the font (the distance added to the current position before
drawing a character), and the left margin is set to the "C" width (the distance
added to the current position to provide white space to the right of a character).
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If EC_USEFONTINFO is specified, the lParam parameter is ignored.
wLeft
Value of the low-order word of lParam. Specifies the width of the left margin, in pixels. This value is ignored if fwMargin does not include EC_LEFTMARGIN or if EC_USEFONTINFO is specified.
wRight
Value of the high-order word of lParam. Specifies the width of the right margin, in pixels. This value is ignored if fwMargin does not include EC_RIGHTMARGIN or if EC_USEFONTINFO is specified.
Return Values
This message does not return a value.
See Also
EM_GETMARGINS
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