Fix issue 14795: ComboBox with DropDownStyle.Simple renders incorrectly and displays an unexpected vertical scrollbar - #14827

Fix issue 14795: ComboBox with DropDownStyle.Simple renders incorrectly and displays an unexpected vertical scrollbar#14827

SimonZhao888 merged 7 commits into

dotnet:maindotnet/winforms:mainfrom

SimonZhao888:Fix_Issue_14795SimonZhao888/v-weidzh-winforms:Fix_Issue_14795Copy head branch name to clipboard