本文介绍了如何在c#中将富文本框的背景颜色设置为透明的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想在c#中将richtextbox的背景色设置为透明你能帮我吗它是一个 winform 应用程序
I want to set the background color of the richtextbox to transparent In c# can you help me please Its a winform application
推荐答案 public class TransparentLabel : RichTextBox { public TransparentLabel() { this.SetStyle(ControlStyles.Opaque, true); this.SetStyle(ControlStyles.OptimizedDoubleBuffer, false); this.TextChanged += TransparentLabel_TextChanged; this.VScroll += TransparentLabel_TextChanged; this.HScroll += TransparentLabel_TextChanged; } void TransparentLabel_TextChanged(object sender, System.EventArgs e) { this.ForceRefresh(); } protected override CreateParams CreateParams { get { CreateParams parms = base.CreateParams; parms.ExStyle |= 0x20; // Turn on WS_EX_TRANSPARENT return parms; } } public void ForceRefresh() { this.UpdateStyles(); } }答案是这样的:
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如何在c#中将富文本框的背景颜色设置为透明
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