|sTitle||(String) Text string displayed in the message box title|
|nStyle||[optional](Long) Bit flags defining window type and content.
It is possible to enter the following styles or their combinations as a sum:
&H0 / 0x0 (default) - Display only the "OK" button
&H1 / 0x1 - Display the OK and Cancel buttons
&H2 / 0x2 - Display the ABORT, RETRY and IGNORE buttons
&H3 / 0x3 - Display the YES, NO and Cancel buttons
&H4 / 0x4 - Display the YES and NO buttons
&H5 / 0x5 - Display the RETRY and Cancel buttons
&H10 / 0x10 - Display the "Critical Message" icon
&H20 / 0x20 - Display the "Warning Query" icon
&H30 / 0x30 - Display the "Warning Message" icon
&H40 / 0x40 - Display the "Information Message" icon
&H0 / 0x0 - 1st button is default
&H100 / 0x100 - 2nd button is default
&H200 / 0x200 - 3rd button is default
&H300 / 0x300 - 4th button is default
&H0 / 0x0 - Application modal mode. If the user wants to continue in the current application activities, then he must respond to the message box.
&H10000 / 0x10000 - System modal mode. All applications are suspended until the user responds to the message box.
&H10000000 / 0x10000000 - The window will be "Always on top" over normal windows.
var sText = "I must do at home:";
sText += "\n 1) Wash the dishes";
sText += "\n 2) Clean up";
if (1 == Pm.MessageBox("Title", sText, 0x10000000))
// If the "OK" button has been pressed...