PRB: Edit Control Margins too Large in Windows 95 (138419)
The information in this article applies to:
- Microsoft Platform Software Development Kit (SDK) 1.0, when used with:
This article was previously published under Q138419 SYMPTOMS
After you change the font in an edit control in Windows 95, the left and
right margins are unusually large.
CAUSE
When the edit control receives the WM_SETFONT message, it calculates the
left and right margins based on the average character width of the new
font. The control does not do this when it is created. This results in the
margins changing drastically when the font is changed.
RESOLUTION
Get the margins of the edit control before sending the WM_SETFONT message,
and then set the margins back to their original sizes. The following code
fragment demonstrates how to do this:
{
DWORD dwMargins;
dwMargins = SendDlgItemMessage( hWnd,
IDC_EDIT,
EM_GETMARGINS,
0,
0);
SendDlgItemMessage( hWnd,
IDC_EDIT,
WM_SETFONT,
(WPARAM)<new font handle>,
0);
SendDlgItemMessage( hWnd,
IDC_EDIT,
EM_SETMARGINS,
EC_LEFTMARGIN | EC_RIGHTMARGIN,
MAKELPARAM(LOWORD(dwMargins), HIWORD(dwMargins)));
}
STATUS
This problem has been fixed in Windows 95 OSR2 and later versions.
| Modification Type: | Minor | Last Reviewed: | 7/11/2005 |
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| Keywords: | kbBug kbcode kbCtrl kbEditCtrl kbOSWin95fix kbprb KB138419 |
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