バージョン

ThreeState プロパティ (UltraCheckEditor)

チェックボックスの不確定状態を選択できるかどうかを制御します。
シンタックス
'宣言
 
Public Property ThreeState As Boolean
public bool ThreeState {get; set;}
使用例
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    Me.UltraCheckEditor1.ThreeState = True
    Me.UltraCheckEditor1.CheckState = CheckState.Indeterminate
    Me.UltraCheckEditor1.IndeterminateAppearance.ForeColor = Color.Gray
    Me.UltraCheckEditor1.CheckedAppearance.ForeColor = Color.White

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

	this.ultraCheckEditor1.ThreeState = true;
	this.ultraCheckEditor1.CheckState = CheckState.Indeterminate;
	this.ultraCheckEditor1.IndeterminateAppearance.ForeColor = Color.Gray;
	this.ultraCheckEditor1.CheckedAppearance.ForeColor = Color.White;

}
参照