Custome Pages haven't Space Character in the last Character [Caption (Title Bar)]
But MUI_PAGES have Space Character in the last Character [Caption (Title Bar)]
;------------------ XPStyle on ;------------------ !include "MUI.nsh" ;------------------ Caption "Test Title Bar" ;------------------ !insertmacro MUI_PAGE_LICENSE "C:\1.txt" Page Custom Show_Custom_Page !insertmacro MUI_PAGE_INSTFILES !insertmacro MUI_LANGUAGE English ;------------------ Function Show_Custom_Page nsDialogs::Create 1018 Pop $0 ;----- ;Work FindWindow $0 "" "Test Title Bar" #Have not Space MessageBox MB_OK "Now You Are in Custome_PAGES$\r$\nTitle Bar Without Space Return number: $0 And Find Application With This Title Bar" ;- ;Don't Work FindWindow $1 "" "Test Title Bar " #Have Space MessageBox MB_OK "Now You Are in Custome_PAGES$\r$\nTitle Bar With Space Return number: $1 And Don't Find Application With This Title Bar" ;----- nsDialogs::Show FunctionEnd Section ;----- ;Work FindWindow $3 "" "Test Title Bar " #Have Space MessageBox MB_OK "Now You Are in MUI_PAGES$\r$\nTitle Bar With Space Return number: $3 And Don't Find Application With This Title Bar" ;- ;Don't Work FindWindow $4 "" "Test Title Bar" #Have not Space MessageBox MB_OK "Now You Are in MUI_PAGES$\r$\nTitle Bar Without Space Return number: $4 And Find Application With This Title Bar" ;----- SectionEnd