// TODO: 能方便设置白色和透明色
private void button_setBackColor_Click(object sender, EventArgs e)
{
Color trans_color = Color.Transparent; // Color.FromArgb(192, 192, 193); // 使用一个罕见颜色
Color old_color = trans_color;
if (string.IsNullOrEmpty(this.textBox_backColor.Text) == false)
{
old_color = PrintLabelDocument.GetColor(this.textBox_backColor.Text);
}
ColorDialog dlg = new ColorDialog();
dlg.Color = old_color;
if (dlg.ShowDialog(this) == System.Windows.Forms.DialogResult.Cancel)
{
return;
}
if (dlg.Color == trans_color)
{
this.textBox_backColor.Text = "";
}
else
{
this.textBox_backColor.Text = PrintLabelDocument.GetColorString(dlg.Color);
}
}
private void button_setForeColor_Click(object sender, EventArgs e)
{
Color old_color = Color.Black;
if (string.IsNullOrEmpty(this.textBox_foreColor.Text) == false)
{
old_color = PrintLabelDocument.GetColor(this.textBox_foreColor.Text);
}
ColorDialog dlg = new ColorDialog();
dlg.Color = old_color;
if (dlg.ShowDialog(this) == System.Windows.Forms.DialogResult.Cancel)
{
return;
}
if (dlg.Color == Color.Black)
{
this.textBox_foreColor.Text = "";
}
else
{
this.textBox_foreColor.Text = PrintLabelDocument.GetColorString(dlg.Color);
}
}