简单的透明按钮控件

csc /target:library /out:myDll.DLL myDll.cs生成组件myDll.dll

完全透明的按钮，只在鼠标经过时显示边框线。 属性Button.Image设置图片按钮，可与背景完美结合。

///<summary>/// 设置透明按钮样式 ///</summary>private void SetBtnStyle(Button btn) {     btn.FlatStyle = FlatStyle.Flat;//样式    btn.ForeColor = Color.Transparent;//前景    btn.BackColor = Color.Transparent;//去背景    btn.FlatAppearance.BorderSize = 0;//去边线    btn.FlatAppearance.MouseOverBackColor = Color.Transparent;//鼠标经过    btn.FlatAppearance.MouseDownBackColor = Color.Transparent;//鼠标按下} private void btn_MouseHover(object sender, EventArgs e) {     Button btn = sender as Button;     btn.FlatAppearance.BorderSize = 1; }
private void btn_MouseLeave(object sender, EventArgs e) {     Button btn = sender as Button;     btn.FlatAppearance.BorderSize = 0; }