有人知道如何在WPF中将表示颜色的字符串转换为SolidColorBrush
吗?
例如:
string colorRed = "Red";
SolidColorBrush fromStringToColor = new SolidColorBrush(colorRed);
这差不多是我想要实现的目标。有什么想法吗?谢谢提前帮助。
你需要将字符串转换为System.Windows.Media.Color,可以使用静态的ColorConverter.ConvertFromString方法完成:
string colorRed = "Red";
Color c = (Color)ColorConverter.ConvertFromString(colorRed);
SolidColorBrush fromStringToColor = new SolidColorBrush(c);
private SolidColorBrush GetColorFromString(string color)
{
if (color.StartsWith("#"))
{
if (color.Length == 9)
return new SolidColorBrush(
Color.FromArgb(
Convert.ToByte(color.Substring(1, 2), 16),
Convert.ToByte(color.Substring(3, 2), 16),
Convert.ToByte(color.Substring(5, 2), 16),
Convert.ToByte(color.Substring(7, 2), 16)
)
);
else
if (color.Length == 7)
return new SolidColorBrush(
Color.FromArgb(
0xff,
Convert.ToByte(color.Substring(1, 2), 16),
Convert.ToByte(color.Substring(3, 2), 16),
Convert.ToByte(color.Substring(5, 2), 16)
)
);
}
else
{
Type colorType = (typeof(System.Windows.Media.Colors));
if (colorType.GetProperty(color) != null)
{
object o = colorType.InvokeMember(color,
System.Reflection.BindingFlags.GetProperty, null, null, null); if (o != null)
{
return new SolidColorBrush((Color)o);
}
}
}
return new SolidColorBrush(Colors.Transparent);
}
SolidColorBrush c1 = GetColorFromString("Red");
SolidColorBrush c2 = GetColorFromString("#ffff0000");
SolidColorBrush c3 = GetColorFromString("#ff0000");