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Object Pascal

NoErrMsg: Boolean platform = False;  { True causes the base RTL to not display the message box


extern DELPHI_PACKAGE bool NoErrMsg;


Type Visibility Source Unit Parent
variable public
System System


Controls whether the application displays an error message when a run-time error occurs.

Note: On Windows, set NoErrMsg to control whether a message appears to indicate that a run-time error has occurred. When NoErrMsg is False (the default), run-time errors cause the application to display a message box indicating the type of error that occurred. When NoErrMsg is True, these messages are suppressed.

Note: The SysUtils unit turns most run-time errors into exceptions. If your application includes SysUtils, the run-time error message box is unlikely to appear, even if NoErrMsg is False.