RichtextBox去除闪烁光标

https://files.cnblogs.com/xe2011/CustomRichTextBox_HideCaret.rar
RichtextBox去除闪烁光标

richTextBox能高亮选择，光标仍在，没有光标闪烁

把重RichTextBox类

去除闪烁光标 http://msdn.microsoft.com/en-us/library/windows/desktop/ms648403%28v=vs.85%29.aspx

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace WindowsFormsApplication1
{
    public class CustomRichTextBox:  RichTextBox
    {
        [DllImport("user32.dll")]
        static extern bool HideCaret(IntPtr hWnd);

        protected override void WndProc(ref Message m)
        {
            base.WndProc(ref m);
            HideCaret(Handle);
        }
    }  
}

完整代码

CustomRichTextBox.CS

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace WindowsFormsApplication1
{
    public class CustomRichTextBox : RichTextBox
    {
        [DllImport("user32.dll")]
        static extern bool HideCaret(IntPtr hWnd);

        private bool bReadOnly = false;
        public void SetReadMode()
        {
            ReadOnly = true;
            bReadOnly = true;
        }

        public void SetEditMode()
        {
            ReadOnly = false;
            bReadOnly = false;
            Focus();
        }

        protected override void WndProc(ref Message m)
        {
            base.WndProc(ref m);
            if (bReadOnly)
                HideCaret(Handle);
        }
    }  
}

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