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How to preset Custom Colors in UltraColorPicker?
posted

The CustomColors property claims to be a fixed array of 16 Colours, that you can preset in FormLoad, as defined here:

https://www.infragistics.com/help/winforms/infragistics.win.ultrawineditors~infragistics.win.ultrawineditors.ultracolorpicker~customcolors

private void Form1_Load(object sender, System.EventArgs e)
{

	this.ultraColorPicker1.BorderStyle = Infragistics.Win.UIElementBorderStyle.Solid ;
	this.ultraColorPicker1.ButtonAppearance.BackColor = Color.Blue;
	
	// Display varying shades of yellow in custom area.
	for(int i = 0; i < 16; i++)
		this.ultraColorPicker1.CustomColors[i].Color = Color.FromArgb(255,255,15*i);

}

This simply doesn't work, no custom colours are shown in the Palette dropdown when the form is displayed, all custom colours are empty.

How do I get them to display?

I'm using v17.2.20172.20139 of WinForms