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FontDialog.MaxSize Property

Gets or sets the maximum point size a user can select.

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

public int MaxSize { get; set; }

Property Value

Type: System.Int32
The maximum point size a user can select. The default is 0.

In order for the maximum and minimum size settings to take effect, MaxSize must be greater than MinSize, and both must be greater than 0.

Attempts to set this property to values less than 0 will result in a value of 0 being used. If you set MaxSize to a value less than MinSize, MinSize is set to MaxSize. The effect of setting MinSize and MaxSize to the same values is to limit the size selection to a single font size.

When the point size is 0, there are no font size limits.

The following code example demonstrates using the MinSize, MaxSize, ShowEffects and FontMustExist members and handling the Apply event. To run this example paste the following code in a form containing a FontDialog named FontDialog1 and a Button named Button1.

	private void Button1_Click(System.Object sender, System.EventArgs e)
	{
		// Set FontMustExist to true, which causes message box error 
		// if the user enters a font that does not exist. 
		FontDialog1.FontMustExist = true;
		
		// Associate the method handling the Apply event with the event.
		FontDialog1.Apply += new System.EventHandler(FontDialog1_Apply);

		// Set a minimum and maximum size to be 
		// shown in the FontDialog.
		FontDialog1.MaxSize = 32;
		FontDialog1.MinSize = 18;

		// Show the Apply button in the dialog.
		FontDialog1.ShowApply = true;

		// Do not show effects such as Underline 
		// and Bold.
		FontDialog1.ShowEffects = false;
		
		// Save the existing font.
		System.Drawing.Font oldFont = this.Font;

		//Show the dialog, and get the result
		DialogResult result = FontDialog1.ShowDialog();

		// If the OK button in the Font dialog box is clicked,  
		// set all the controls' fonts to the chosen font by calling 
		// the FontDialog1_Apply method. 
		if (result == DialogResult.OK)
		{
			FontDialog1_Apply(this.Button1, new System.EventArgs());
		}
			// If Cancel is clicked, set the font back to 
			// the original font. 
		else if (result == DialogResult.Cancel)
		{
			this.Font = oldFont;
			foreach ( Control containedControl in this.Controls)
			{
				containedControl.Font = oldFont;
			}
		}
	}

	// Handle the Apply event by setting all controls' fonts to  
	// the chosen font.  
	private void FontDialog1_Apply(object sender, System.EventArgs e)
	{

		this.Font = FontDialog1.Font;
		foreach ( Control containedControl in this.Controls )
		{
			containedControl.Font = FontDialog1.Font;
		}
	}
FontDialog.MaxSize, FontDialog.ShowEffects and FontDialog.FontMustExist members and handling the Apply event. To run this example paste the following code in a form 

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

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