Redraw Row - GRID SENDMSG() Function 50

Syntax

TF$=SENDMSG(chan,id,50,row,$${,context{,ERR=lineref}})

Description

This function causes the grid control to redraw the specified row.

Parameter

Description

sysgui

SYSGUI channel.

id

Grid control ID.

50

Number of this SENDMSG() function.

row

Row number. (Row numbering is zero-based.)

$$

Always null.

If the row exists, $01$ is returned. If the row does not exist, $00$ is returned.

When a standard grid is redrawn, it may need grid data from the application. The control requests data by sending a Notify event 22 or 23 to the application. All programs that use a grid control must check for these events and respond to them, or blank cells may appear in the grid.