
GeoBASIC Reference Manual
6. System Functions
TPS1100-Version
1.30
6-24
Example
The example uses the
MMI_DeleteDialog
routine to delete a
text, measure or graphic dialog.
MMI_
DeleteDialog()
6.1.14 MMI_CheckButton
Description
Checks if a button was pressed.
Declaration
MMI_CheckButton( lKeyPressed AS Logical )
Remarks
The
routine
MMI_CheckButton
checks the keyboard buffer for
pressed buttons. If a button was pressed, the routine returns
KeyPressed = TRUE
, otherwise
KeyPressed = FALSE
is
returned.
Note
The
routine
MMI_CheckButton
does not wait until a
button was pressed. It only checks the keyboard buffer.
Parameters
lKeyPressed
In
lKeyPressed = TRUE
is returned,
if a valid button was pressed.
Otherwise the value of
lKeyPressed
is
FALSE
.
Return-Codes
RC_OK
Successful termination.
BAS_NO_DLG_EXIST
No dialog exists for this operation.
See Also
MMI_AddButton
MMI_GetButton
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