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The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
MLN_PIXHORZOVERFLOW (1.2)
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#define INCL_WINMLE
WM_CONTROL
id = (USHORT) SHORT1FROMMP(mp1); /* MLE-window ID */
usNotifyCode = MLN_PIXHORZOVERFLOW;
lOverFlow = LONGFROMMP(mp2); /* amount of overflow */
The MLN_PIXHORZOVERFLOW notification message is sent whenever user uses the
keyboard to insert more text than can fit in the current format rectangle or
the text limit of a multiple-line entry field (MLE).
Parameter Description
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id Low word of mp1. Identifies the MLE window.
usNotifyCode High word of mp1. Set to MLN_PIXHORZOVERFLOW.
lOverFlow Low and high word of mp2. The number of pels by which the
operation overflows the current format rectangle.
Return Value
An application should return TRUE to retry the operation. If the application
returns FALSE, the user cannot insert additional text.
Comments
Before returning TRUE, the application should perform some operation (for
example, changing the dimensions of the format rectangle) that will enable
the text to fit.
See Also
MLN_OVERFLOW, MLN_PIXVERTOVERFLOW, WM_CONTROL
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