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ToolStripDropDown.DefaultDropDownDirection Property

Gets or sets the direction in which the ToolStripDropDown is displayed relative to the ToolStrip.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public override ToolStripDropDownDirection DefaultDropDownDirection { get; set; }

The following code example demonstrates how to assign the DefaultDropDownDirection property specified by a radio button setting.


// The following methods handle the CheckChanged event 
// for all the radio buttons. Each method calls a utility
// method to set the ToolStripDropDownDirection appropriately.

private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
    this.HandleRadioButton(sender, ToolStripDropDownDirection.AboveLeft);
}

private void radioButton2_CheckedChanged(object sender, EventArgs e)
{
    this.HandleRadioButton(sender, ToolStripDropDownDirection.AboveRight);
}

private void radioButton3_CheckedChanged(object sender, EventArgs e)
{
    this.HandleRadioButton(sender, ToolStripDropDownDirection.BelowLeft);
}

private void radioButton4_CheckedChanged(object sender, EventArgs e)
{
    this.HandleRadioButton(sender, ToolStripDropDownDirection.BelowRight);
}

private void radioButton5_CheckedChanged(object sender, EventArgs e)
{
    this.HandleRadioButton(sender, ToolStripDropDownDirection.Default);
}

private void radioButton6_CheckedChanged(object sender, EventArgs e)
{
    this.HandleRadioButton(sender, ToolStripDropDownDirection.Left);
}

private void radioButton7_CheckedChanged(object sender, EventArgs e)
{
    this.HandleRadioButton(sender, ToolStripDropDownDirection.Right);
}

// This utility method sets the DefaultDropDownDirection property.
private void HandleRadioButton(object sender, ToolStripDropDownDirection direction)
{
    RadioButton rb = sender as RadioButton;

    if (rb != null)
    {
        if (rb.Checked)
        {
            this.dropDownDirection = direction;
            this.contextMenuStrip1.DefaultDropDownDirection = direction;
        }
    }
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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