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<< Click to Display Table of Contents >> Navigation: ThinBASIC Modules > UI (User Interface) > DIALOGS > Dialog Commands > DIALOG SHOW MODELESS |
Description
Display and activate a dialog previously created with DIALOG NEW ..., allowing it to receive user input and messages.
Execution of the code continues at the same time as the dialog is displayed.
Syntax
DIALOG SHOW MODELESS hwnd [[,] CALL cbFunction]
Returns
None
Parameters
Name |
Type |
Optional |
Meaning |
hwnd |
Number |
No |
Handle of the dialog created with DIALOG NEW ... statement |
cbFunction |
Function |
Yes |
Name of the function that to which dialog messages will be routed to. The nominated callback function name must be a CALLBACK FUNCTION or a run-time error will occur. The name of the callback function can be also specified as a string expression allowing great flexibility. |
Remarks
Execution of the program continues at the same time as the dialog is displayed.
Modeless dialogs require a message pump to be running for the duration of the dialog.
Restrictions
See also
Examples
'----------------------------------------------------
'---Single modeless dialog message pump example.
'---(Assume dialog already created with DIALOG NEW ...)
'----------------------------------------------------
DIALOG SHOW MODELESS hDlg Call DlgCallback
Do
DIALOG DOEVENTS 0 To Count
Loop While Count
' Application code continues here...
'----------------------------------------------------
'----------------------------------------------------
'---Multiple modeless dialog message pump example.
'---In some applications, the number of modeless dialogs can vary,
'---we want to break the message loop when the 'main' dialog is closed.
'---(Assume dialogs already created with DIALOG NEW ...)
DIALOG SHOW MODELESS hMainDlg Call DlgCallback
DIALOG SHOW MODELESS hChildDlg1
DIALOG SHOW MODELESS hChildDlg2
...
Do
DIALOG DOEVENTS
DIALOG Get SIZE hMainDlg To x, x
Loop While x '---When x = 0, dialog has ended
' Application code continues here...
'----------------------------------------------------