using System;using System.Collections.Generic;using System.Text;using System.Runtime.InteropServices;using System.Windows.Forms;namespace Controls{ public class RichEdit50 : RichTextBox { [DllImport("kernel32.dll", CharSet = CharSet.Auto)] static extern IntPtr LoadLibrary(string lpFileName); protected override CreateParams CreateParams { get { CreateParams prams = base.CreateParams; if (LoadLibrary("msftedit.dll") != IntPtr.Zero) { prams.ExStyle |= 0x020; // transparent prams.ClassName = "RICHEDIT50W"; } return prams; } } }}
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原文鏈接http://topic.csdn.net/u/20080915/18/8a8d5141-59a0-444d-afb8-179e805eb7a3.html其中加載的dll名稱是怎么知道的，如果把RichBox換成TextBox為何不行？不要if判斷直接
CreateParams prams = base.CreateParams; prams.ExStyle |= 0x020; // transparent prams.ClassName = "RICHEDIT50W"; 為何不行？
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