TListBox keep subform inside win-TRECT of MainForm.exe? lazarus / 67-Windows ---------------------------------------------------------------------- d2010 · 2025-07-29 00:26 I have one application in Delphi7 on win32. I create inside "Lazarus4.0" the flistsvc.dll as DelphiMode I have one example I winrar5 can create "subForm" inside "mainForm.exe not .dll" C:Q1=How to create&set subForm4Lazarus inside windowDelphi7mainForm.exe? {--} You got subForm4Lazarus from flistsvc.dll Today I created the "subForm4Lazarus" but is outside of TRECT. --- I compile flistsvc.lpr is work good, but but the source-pascal is old style-code. When winrar5subform is outside TRECT, then winrar5exe show only half of winrar5subform or 10%, 20%, 30%,  50%, ... 80% * TRECT. Code: [Select]C:Q1=Can i make same effect of Trect? (see *.idx0001.jpg) I attach full source of *.lpr, *.lpi compiled inside zip - OR  - C:Q2= How set "subForm4Lazarus".dll as MDI-win-handle?(easy question)