Properties of Color Dialog Control

• Forms and Dialog WinForms Control
• Forms Control Overview
• C# Ribbon Form for Windows Forms
• Shaped Form WinForm Controls
• WinForm Color Dialog Controls
• Color Tabs of Dialog Controls
• Color Dialog C# Tutorial for WinForms
• Localization of Color Dialog in C#
• Windows Forms Message Box Controls
• WinForms Status Strip Controls
• Title Bar Control for Windows Forms

Color Dialog Key Properties

• ActiveMode, this is a property used to configure the tab that is selected currently, whose valid values include Basic Color, System Color, Web Color and Professional Color.
• BackColor, the property is able to set the background color of the color selector. The Transparent property will blend in the color with UI elements.
• ForeColor, this property is used to determine the fore color of labels and text entry.
• AllowColorPickFromScreen, this is a property used to display the eye dropper tool
• AllowColorSaving, this is a property used to visualize the add a custom color button
• SelectedColor, this property is used to label the color that users selected
• OldColor, this property is used to label the color that users used.
• DisplayEditHEXValue, the hexadecimal entry of color values will be enabled when set the value as true.
• To display the color tabs, enable the properties, DispalyBasicColors, DispalySystemColors, DispalyWebColors, and DispalyProfessionalColors.
• DisplayHEXColorValue, the hexadecimal entry of color values will be displayed when set the values as true.

private void button_Click(object sender, EventArgs e)
{
    StringBuilder sb = new StringBuilder();
    foreach (Color color in colorDialog.CustomColors)
    {
        sb.Append(color.ToString());
        sb.Append(System.Environment.NewLine);
    }
    MessageBox.Display(sb.ToString());

}

How to Get Selected Colors

if (colorDialog.DisplayDialog() == DialogResult.OK)
{
    Color color = colorDialog.SelectedColor;
    HslColor hslColor = colorDialog.SelectedHslColor;
}