RAD Studio VCL Reference

The following table lists variables in this documentation.

AbstractErrorProc defines a callback routine for abstract method call errors. 
Represents the total number of allocated memory blocks in a Delphi application. 
Represents the total size of allocated memory blocks. 
Points to the assertion error-handler. 
Points to the command-line arguments specified when the application is invoked. 
Specifies the flags for displaying the application's main window. 
This is variable System.CPUCount. 
DebugHook is set if an application is running under the IDE debugger. 
Specifies the Default 8087 control word. 
This is variable System.DefaultSystemCodePage. 
Specifies the characters that are used by default to separate lines in text. 
This is variable System.DefaultUnicodeCodePage. 
This is variable System.DispCallByIDProc. 
Points to a procedure invoked by a DLL entry point. 
This is variable System.envp. 
Contains the address of a statement causing a runtime error. 
Points to the RTL runtime error handler. 
ErrOutput specifies a write-only Text file associated with the process's error output file. 
ExceptClsProc defines a pointer to a function called during exception handling. 
This is variable System.ExceptionAcquired. 
This is variable System.ExceptionClass. 
ExceptObjProc defines a pointer to a function called during exception handling. 
Points to the lowest-level exception handler. 
Contains the application's exit code. 
Points to a program's exit procedure (provided for backward compatibility). 
Specifies the last procedure to execute before the application shuts down. 
Indicates the access mode on typed and untyped files opened by the Reset procedure. 
Indicates how the memory manager obtains memory from the operating system. 
This is variable System.HPrevInst. 
InitProc is the last installed initialization procedure. 
Specifies a read-only Text file associated with the processes standard Input file. 
Indicates whether the module was compiled as a console application. 
Indicates whether the module is a shared library. 
Indicates whether the application spawned additional threads using BeginThread or TThread objects. 
Controls when the just-in-time debugger is called. 
Lists module records for enumeration procedures. 
Indicates the instance handle for the main executable. 
Indicates the instance handle for the current module's main thread of execution. 
This is variable System.ModuleUnloadList. 
This is variable System.MonitorSupport. 
Dictates memory manager behavior during a thread contention. 
Controls whether the application displays an error message when a runtime error occurs. 
Specifies a write-only Text file associated with the process's standard output file. 
Points to RaiseException Windows function. 
This is variable System.RaiseExceptObjProc. 
RandSeed stores the built-in random number generator's seed. 
Report memory leaks on shutdown. 
This is variable System.RTLUnwindProc. 
SafeCallErrorProc defines a procedure that is called when a safecall routine incurs an error. 
This is variable System.SystemThreadEndProc. 
This is variable System.SystemThreadFuncProc. 
This is variable System.Test8086. 
This is variable System.Test8087. 
This is variable System.TestFDIV. 
This is variable System.UTF8CompareLocale. 
The VarAddRefProc variable is used internally. 
The VarClearProc variable is used internally. 
The VarCopyProc variable is used internally. 
The VarToLStrProc variable is used internally. 
The VarToWStrProc variable is used internally. 
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