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.