后端开发|C#.Net教程
C# ，滚动条，Label控件
后端开发-C#.Net教程
C# 带滚动条的Label控件，用鼠标选的时候还是有点闪烁：
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namespace 带滚动条的Label控件{ public class TextBoxLabel : System.Windows.Forms.TextBox { [DllImport("user32", EntryPoint = "HideCaret")] private static extern bool HideCaret(IntPtr hWnd); [DllImport("user32", EntryPoint = "ShowCaret")] private static extern bool ShowCaret(IntPtr hWnd); public TextBoxLabel():base(){ this.TabStop = false; this.SetStyle(ControlStyles.Selectable, false); this.Cursor = Cursors.Default; this.ReadOnly = true; this.ShortcutsEnabled = false; this.HideSelection = true; this.GotFocus += new EventHandler(TextBoxLabel_GotFocus); this.MouseMove += new MouseEventHandler(TextBoxLabel_MouseMove); } private void TextBoxLabel_GotFocus(Object sender, System.EventArgs e){ if (ShowCaret(((TextBox)sender).Handle)){HideCaret(((TextBox)sender).Handle); } } private void TextBoxLabel_MouseMove(Object sender, MouseEventArgs e){ if (((TextBox)sender).SelectedText.Length > 0){((TextBox)sender).SelectionLength = 0; } } }}
效果：
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