Description
Occurs when the user double-clicks in a DataWindow control.
PowerBuilder event information
Event ID: pbm_dwnlbuttondblclk
|
Argument |
Description |
|---|---|
|
xpos |
Integer by value. The distance of the pointer from the left side of the DataWindow's workspace. The distance is given in pixels. |
|
ypos |
Integer by value. The distance of the pointer from the top of the DataWindow's workspace. The distance is given in pixels. |
|
row |
Long by value. The number of the row the user double-clicked. If the user did not double-click on a row, the value of the row argument is 0. For example, row is 0 when the user double-clicks outside the data area, in text or spaces between rows, or in the header, summary, or footer area. |
|
dwo |
DWObject by value. A reference to the control within the DataWindow the user double-clicked. |
Return Values
There are no special outcomes for this event. The only code is:
0 -- Continue processing
Usage
The dwo, Name, or DWObject argument provides easy access to the control the user clicks. You do not need to know the coordinates of elements within the DataWindow to program control-specific responses to the user's clicks. For example, you can prevent editing of a column and use the Clicked event to set data or properties for the column and row the user clicks.
PowerBuilder programming note
The xpos and ypos arguments provide the same values the functions PointerX and PointerY return when you call them for the DataWindow control.
Examples
This example displays a message box reporting the row and column clicked and the position of the pointer relative to the upper-left corner of the DataWindow control:
string ls_columnname
IF dwo.Type = "column" THEN
ls_columnname = dwo.Name
END IF
MessageBox("DoubleClicked Event", &
"Row number: " + row &
+ "~rColumn name: " + ls_columnname &
+ "~rDistance from top of dw: " + ypos &
+ "~rDistance from left side of dw: " + xpos)See also
