REFERENCE GUIDE

GetCommStateReturn valueThe return value specifies the outcome of the function. It is zero if thefunction was successful. If an error occurred, the return value is negative.GetCurrentPDB3.0SyntaxParametersReturn valueWORD GetCurrentPDBOfunction GetCurrentPDB: Word;This function returns the paragraph address or selector of the currentDOS Program Data Base (PDB), also known as the Program SegmentPrefix (PSP).None.The return value is the paragraph address or selector of the current PDB.GetCurrentPositionSyntaxDWORD GetCurrentPosition(hDC)function GetCurrentPosition(DC: HDC): Longint;This function retrieves the logical coordinates of the current position.Parameters hDC HOC Identifies a device context.Return valueThe return value specifies the current position. The y-coordinate is in thehigh-order word; the x-coordinate is in the low-order word.GetCurrentTaskSyntaxParametersReturn valueHANDLE GetCurrentTask()function GetCurrentTask :THandle;This function returns the handle of the currently executing task.None.The return value identifies the task if the function is successful.Otherwise, it is NULL.302 Software development kit