[C#]使用ShowCaret amp; HideCaret控制元件上的插入符號

	[DllImport("user32.dll")]
	static extern bool HideCaret(IntPtr hWnd);</pre></div>

namespace WindowsFormsApplication22 { public partial class Form1 : Form { [DllImport(“user32.dll”)] static extern bool ShowCaret(IntPtr hWnd);

	[DllImport("user32.dll")]
	static extern bool HideCaret(IntPtr hWnd);

	public Form1()
	{
		InitializeComponent();
	}

	private void timer1_Tick(object sender, EventArgs e)
	{
		if (rbtnShowCaret.Checked)
		{
			ShowCaret(textBox1.Handle);
		}
		else
		{
			HideCaret(textBox1.Handle);
		}
	}
}

}

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