System.AssertErrorProc Variable

Points to the assertion error-handler.

Pascal

AssertErrorProc: TAssertErrorProc;

C++

TAssertErrorProc AssertErrorProc;

File

System

Description

AssertErrorProc points to a routine that produces runtime error 227 in Delphi code. The SysUtils unit replaces it to cause an EAssertionFailed exception. If you do not use assertions, you can replace this with a method that that does something else, such as call OutputDebugString to add messages to the event log (see the example).

The value of AssertErrorProc must be a procedure with the following signature

procedure AssertErrorHandler(const Message, Filename: string; LineNumber: Integer; ErrorAddr: Pointer);