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UpDownBase.BorderStyle Property

Gets or sets the border style for the spin box (also known as an up-down control).

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

public BorderStyle BorderStyle { get; set; }
/** @property */
public BorderStyle get_BorderStyle ()

/** @property */
public void set_BorderStyle (BorderStyle value)

public function get BorderStyle () : BorderStyle

public function set BorderStyle (value : BorderStyle)

Property Value

One of the BorderStyle values. The default value is Fixed3D.
Exception typeCondition

InvalidEnumArgumentException

The value assigned is not one of the BorderStyle values.

You can use the BorderStyle property to create borderless and flat controls in addition to the default three-dimensional control.

The following code example uses the derived class NumericUpDown and sets some of its properties derived from UpDownBase. This code requires that you have a NumericUpDown control named numericUpDown1, two ComboBox controls named comboBox1 and comboBox2, and three CheckBox controls named checkBox1, checkBox2, and checkBox2 created on a form. Add the following items to comboBox1: None, Fixed3D, and FixedSingle. Add the following items to comboBox2: Left, Right, and Center.

The code allows you to change the property values at run time and see how each affects the appearance and behavior of the spin box.

private void comboBox1_SelectedIndexChanged(Object sender, 
                                             EventArgs e)
 {
      // Set the BorderStyle property.
     switch(comboBox1.Text)
     {
         case "Fixed3D":
             numericUpDown1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
             break;
         case "None":
             numericUpDown1.BorderStyle = System.Windows.Forms.BorderStyle.None;
             break;
         case "FixedSingle":
             numericUpDown1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
             break;
     }
 }
 
 private void comboBox2_SelectedIndexChanged(Object sender, 
                                             EventArgs e)
 {
      // Set the TextAlign property.    
     switch (comboBox2.Text)
     {
         case "Right":
             numericUpDown1.TextAlign = HorizontalAlignment.Right;
             break;
         case "Left":
             numericUpDown1.TextAlign = HorizontalAlignment.Left;
             break;
         case "Center":
             numericUpDown1.TextAlign = HorizontalAlignment.Center;
             break;
     }
 }
 
 private void checkBox1_Click(Object sender, 
                              EventArgs e)
 {
      // Evaluate and toggle the ReadOnly property.
     if (numericUpDown1.ReadOnly)
     {
         numericUpDown1.ReadOnly = false;
     }
     else
     {
         numericUpDown1.ReadOnly = true;
     }
 }
 
 private void checkBox2_Click(Object sender, 
                              EventArgs e)
 {
      // Evaluate and toggle the InterceptArrowKeys property.
     if (numericUpDown1.InterceptArrowKeys)
     {  
         numericUpDown1.InterceptArrowKeys = false;
     }
     else
     {
         numericUpDown1.InterceptArrowKeys = true;
     }
 }
 
 private void checkBox3_Click(Object sender, 
                              EventArgs e)
 {
      // Evaluate and toggle the UpDownAlign property.
     if (numericUpDown1.UpDownAlign == LeftRightAlignment.Left)
     {
         numericUpDown1.UpDownAlign = LeftRightAlignment.Right;
     }
     else
     {
         numericUpDown1.UpDownAlign = LeftRightAlignment.Left;
     }
 }
 

    private void comboBox1_SelectedIndexChanged(Object sender, EventArgs e)
    {
        // Set the BorderStyle property.
        if (comboBox1.get_Text().Equals("Fixed3D")) {
            numericUpDown1.set_BorderStyle(BorderStyle.Fixed3D);
        }
        else {
            if (comboBox1.get_Text().Equals("None")) {
                numericUpDown1.set_BorderStyle(BorderStyle.None);
            }
            else {
                if (comboBox1.get_Text().Equals("FixedSingle")) {
                    numericUpDown1.set_BorderStyle(BorderStyle.FixedSingle);
                }
            }
        }        
    }//comboBox1_SelectedIndexChanged
    
    private void comboBox2_SelectedIndexChanged(Object sender, EventArgs e)
    {
        // Set the TextAlign property.    
        if (comboBox2.get_Text().Equals("Right")) {
            numericUpDown1.set_TextAlign(HorizontalAlignment.Right);
        }
        else {
            if (comboBox2.get_Text().Equals("Left")) {
                numericUpDown1.set_TextAlign(HorizontalAlignment.Left);
            }
            else {
                if (comboBox2.get_Text().Equals("Center")) {
                    numericUpDown1.set_TextAlign(HorizontalAlignment.Center);
                }
            }
        }
    } //comboBox2_SelectedIndexChanged

    private void checkBox1_Click(Object sender, EventArgs e)
    {
        // Evaluate and toggle the ReadOnly property.
        if (numericUpDown1.get_ReadOnly()) {
            numericUpDown1.set_ReadOnly(false);
        }
        else {
            numericUpDown1.set_ReadOnly(true);
        }
    } //checkBox1_Click

    private void checkBox2_Click(Object sender, EventArgs e)
    {
        // Evaluate and toggle the InterceptArrowKeys property.
        if (numericUpDown1.get_InterceptArrowKeys()) {
            numericUpDown1.set_InterceptArrowKeys(false);
        }
        else {
            numericUpDown1.set_InterceptArrowKeys(true);
        }
    } //checkBox2_Click

    private void checkBox3_Click(Object sender, EventArgs e)
    {
        // Evaluate and toggle the UpDownAlign property.
        if (numericUpDown1.get_UpDownAlign().Equals(LeftRightAlignment.Left)) {
            numericUpDown1.set_UpDownAlign(LeftRightAlignment.Right);
        }
        else {
            numericUpDown1.set_UpDownAlign(LeftRightAlignment.Left );
        }
    } //checkBox3_Click
} //Form1 

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0
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