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I'm asking the question already asked (and even answered) here: Why are some textboxes not accepting Control + A shortcut to select all by default
But that answer doesn't work for me. I have this code:
public class LoginForm : Form { private TextBox tbUsername; public LoginForm() { tbUsername = new TextBox(); tbUsername.ShortcutsEnabled = true; tbUsername.Multiline = false; Controls.Add(tbUsername); } } The textbox shows up, I can write on it, I can cut, copy and paste text on it without any problems. But when I try to press Ctrl+A I only hear a "bling" similar to the bling that you hear if you try to erase text from an empty textbox (try it with your browser's address bar).
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The TextBox control is generally used for editable text, although it can also be made read-only. Text boxes can display multiple lines, wrap text to the size of the control, and add basic formatting. The TextBox control allows a single format for text displayed or entered in the control.
Typically, a TextBox control is used to display, or accept as input, a single line of text. You can use the Multiline and ScrollBars properties to enable multiple lines of text to be displayed or entered.
A text box object is used to display text on a form or to get user input while a C# program is running. In a text box, a user can type data or paste it into the control from the clipboard. For displaying a text in a TextBox control , you can code like this.
Like other answers indicate, Application.EnableVisualStyles() should be called. Also the TextBox.ShortcutsEnabled should be set to true. But if your TextBox.Multiline is enabled then Ctrl+A will not work (see MSDN documentation). Using RichTextBox instead will get around the problem.
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