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SplitContainer.SplitterWidth Property

Gets or sets the width of the splitter in pixels.

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

public int SplitterWidth { get; set; }

Property Value

Type: System.Int32
An System.Int32 representing the width of the splitter, in pixels. The default is four pixels.

ExceptionCondition
ArgumentOutOfRangeException

The value is less than one or is incompatible with the orientation.

Use the SplitterWidth property to change the width of the splitter itself, not the SplitContainer.

The following code example specifies that the initial width of the vertical splitter is 6 pixels (the default). Other basic properties of a vertical splitter are also shown. This example is part of a larger example provided for the SplitContainer class.

        // Basic SplitContainer properties. 
        // This is a vertical splitter that moves in 10-pixel increments. 
        // This splitter needs no explicit Orientation property because Vertical is the default.
        splitContainer1.Dock = System.Windows.Forms.DockStyle.Fill;
        splitContainer1.ForeColor = System.Drawing.SystemColors.Control;
        splitContainer1.Location = new System.Drawing.Point(0, 0);
        splitContainer1.Name = "splitContainer1";
        // You can drag the splitter no nearer than 30 pixels from the left edge of the container.
        splitContainer1.Panel1MinSize = 30;
        // You can drag the splitter no nearer than 20 pixels from the right edge of the container.
        splitContainer1.Panel2MinSize = 20;
        splitContainer1.Size = new System.Drawing.Size(292, 273);
        splitContainer1.SplitterDistance = 79;
        // This splitter moves in 10-pixel increments.
        splitContainer1.SplitterIncrement = 10;
        splitContainer1.SplitterWidth = 6;
        // splitContainer1 is the first control in the tab order.
        splitContainer1.TabIndex = 0;
        splitContainer1.Text = "splitContainer1";
        // When the splitter moves, the cursor changes shape.
        splitContainer1.SplitterMoved += new System.Windows.Forms.SplitterEventHandler(splitContainer1_SplitterMoved);
        splitContainer1.SplitterMoving += new System.Windows.Forms.SplitterCancelEventHandler(splitContainer1_SplitterMoving);

        // Add a TreeView control to the left panel.
        splitContainer1.Panel1.BackColor = System.Drawing.SystemColors.Control;
        // Add a TreeView control to Panel1.
        splitContainer1.Panel1.Controls.Add(treeView1);
        splitContainer1.Panel1.Name = "splitterPanel1";
        // Controls placed on Panel1 support right-to-left fonts.
        splitContainer1.Panel1.RightToLeft = System.Windows.Forms.RightToLeft.Yes;

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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