https://community.intel.com/t5/Software-Archive/COM-example-DSLINES-fails/m-p/946437#M18405 I built DSLINES.EXE in DEVstudio and ran it from the command line using <BR /> <BR />dslines.exe testfile.for $ DEBUG <BR /> <BR />MSDEV opened, with testfile.for opened in a window, cursor at the start of the first line. Nothing else happened. <BR /> <BR />The DOSBOX message, after a while, was <BR /> <BR />Unable to get ITextSelection object; Aborting; OLE error status = 0x80029C4A; A <BR />borting <BR /> <BR />MSDEV was left opened after the DOS box closed. <BR />(I had to freeze the box by inserting a 'pause' in the exit routine code in order to save the text) <BR /> <BR />What's happening? <BR /> <BR />The testfile.for consists of <BR /> <BR />$DEBUG <BR /> PROGRAM TESTSOMETHING <BR />C <BR /> SOME CODE <BR /> SOME CODE <BR /> SOME CODE <BR /> SOME CODE <BR />$DEBUG <BR /> SOME CODE <BR /> END Tue, 10 Apr 2001 20:54:32 GMT isn-removed200637 2001-04-10T20:54:32Z https://community.intel.com/t5/Software-Archive/COM-example-DSLINES-fails/m-p/946437#M18405 I built DSLINES.EXE in DEVstudio and ran it from the command line using <BR /> <BR />dslines.exe testfile.for $ DEBUG <BR /> <BR />MSDEV opened, with testfile.for opened in a window, cursor at the start of the first line. Nothing else happened. <BR /> <BR />The DOSBOX message, after a while, was <BR /> <BR />Unable to get ITextSelection object; Aborting; OLE error status = 0x80029C4A; A <BR />borting <BR /> <BR />MSDEV was left opened after the DOS box closed. <BR />(I had to freeze the box by inserting a 'pause' in the exit routine code in order to save the text) <BR /> <BR />What's happening? <BR /> <BR />The testfile.for consists of <BR /> <BR />$DEBUG <BR /> PROGRAM TESTSOMETHING <BR />C <BR /> SOME CODE <BR /> SOME CODE <BR /> SOME CODE <BR /> SOME CODE <BR />$DEBUG <BR /> SOME CODE <BR /> END Tue, 10 Apr 2001 20:54:32 GMT https://community.intel.com/t5/Software-Archive/COM-example-DSLINES-fails/m-p/946437#M18405 isn-removed200637 2001-04-10T20:54:32Z