- TextBox - TextBox() 
- AcceptsReturn 
- AutoCompleteCustomSource 
- AutoCompleteMode 
- AutoCompleteSource 
- CharacterCasing 
- CreateParams 
- DefaultImeMode 
- Multiline 
- PasswordChar 
- PlaceholderText 
- ScrollBars 
- SelectionLength 
- Text 
- TextAlign 
- UseSystemPasswordChar 
- CreateAccessibilityInstance() 
- Dispose(Boolean) 
- IsInputKey(Keys) 
- OnBackColorChanged(EventArgs) 
- OnFontChanged(EventArgs) 
- OnGotFocus(EventArgs) 
- OnHandleCreated(EventArgs) 
- OnHandleDestroyed(EventArgs) 
- OnKeyUp(KeyEventArgs) 
- OnMouseDown(MouseEventArgs) 
- OnMouseUp(MouseEventArgs) 
- OnTextAlignChanged(EventArgs) 
- Paste(String) 
- ProcessCmdKey(Message, Keys) 
- WndProc(Message) 
- TextAlignChanged 
 
net9.0-windows10.0.22621
    namespace System.Windows.Forms
{
    [Designer("System.Windows.Forms.Design.TextBoxDesigner, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    public class TextBox : TextBoxBase
    {
        public override bool Multiline { get; set; }
    }
}
            | NetFx Compat Lab | 13.1 % Reference this API 4.0 % Get property 12.1 % Set property | 
|---|---|
| nuget.org | 0.1 % Reference this API 0.0 % Get property 0.1 % Set property | 
| Upgrade Planner | 0.5 % Reference this API 0.0 % Get property 0.5 % Set property | 
| .NET | 5.06.07.08.09.0 | 
| .NET Core | 3.03.1 | 
| .NET Framework | 2.03.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1 | 
| Information specific to net9.0 | |
| Platforms | This API is only available when you target a specific platform: | 
| Windows | 7.08.010.0.1776310.0.1836210.0.1904110.0.2034810.0.2200010.0.22621 | 
| Information specific to net9.0-windows10.0.22621 | |
| Assembly | System.Windows.Forms , Version=9.0.0.0, PublicKeyToken=b77a5c561934e089 | 
| Referencing | Your project needs to set  | 
| Platform Restrictions | The property getter is only supported on the following platforms: 
 The property setter is only supported on the following platforms: 
 | 
- Built-in API
- Package-provided API