In first sight you will not see PasswordChar property in ToolStripTextBox.
If you want Password char in ToolStripTextBox and To allow ToolStripTextBox to act as Password textbox like * do following
ToolStripTextBox1.TextBox.PasswordChar = '*';
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Usually ToolStripTextBox.Focus() doesn't focus to ToolStripTextBox when opening form or on form load.
To set focus on ToolStripTextBox when opening form or form load, do following
In FOrm1_Activated event
private void Form1_Activated(object sender, EventArgs e)
{
ToolStripTextBox1.Focus();
}
Or
on Form1_Load event
this.ActiveControl = ToolStripTextBox1.Control;