代码中控件的属性我没有全部定义出来，如果需要可以加入，事件也是一样的，有需要的话就添加进来。
代码中的注释内容比较少嘿嘿，这些还是比较简单的，所以呢看不懂就去研究研究，看得懂的帮我想想看“如果这样做的话可能会更好”以这个话题展开讨论吧，不要看了下就默默的走开了，多少留点东西进来也好呀。
最后原创博文转载请注明出处谢谢http://blog.csdn.net/jsjyyjs07/article/details/18564099
UserControl自定义控件系列一：Label+TextBox组合控件(二)
tArgs e)
{
try
{
UTextChanged(sender, e);
}
catch { }
}
public delegate void DoubleClickHandler(object sender, System.EventArgs e);
public event DoubleClickHandler UDoubleClick;
private void txtValue_DoubleClick(object sender, EventArgs e)
{
try
{
UDoubleClick(sender, e);
}
catch { }
}
private Color color = Color.Black;
private void TxtPlusLblLine_Paint(object sender, PaintEventArgs e)
{
g = this.CreateGraphics();
Pen Pen = new Pen(LineColor);
if (lblFiled.Text.Trim() != "")
{
lblFiled.Visible = true;
lblValue.Location = new Point(lblFiled.Location.X + lblFiled.Width + 1, 3);
lblValue.Width = this.Width - lblFiled.Location.X - lblFiled.Width;
txtValue.Location = new Point(lblFiled.Location.X + lblFiled.Width, 0);
txtValue.Width = this.Width - lblFiled.Location.X - lblFiled.Width;
g.DrawLine(Pen, lblFiled.Location.X + lblFiled.Width, 20, this.Width, 20);
}
else
{
lblFiled.Visible = false;
lblValue.Location = new Point(1, 3);
lblValue.Width = this.Width;
txtValue.Location = new Point(0, 0);
txtValue.Width = this.Width;
g.DrawLine(Pen, 0, 20, this.Width, 20);
}
}
public Color LineColor
{
get { return color; }
set { color = value; }
}
public string LBLText
{
get { return lblFiled.Text; }
set { lblFiled.Text = value; }
}
public ContentAlignment LBLTextAlign
{
get { return lblFiled.TextAlign; }
set { lblFiled.TextAlign = value; }
}
public bool UEnabled
{
get { return txtValue.Enabled; }
set { txtValue.Enabled = value; }
}
private void timer1_Tick(object sender, EventArgs e)
{
if (txtValue.Visible)
{
txtValue.Focus();
}
}
}
}