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| Title | Programmatically adjust the position of the splitter in a SplitContainer control in Visual Basic .NET |
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| Description | This example shows how to programmatically adjust the position of the splitter in a SplitContainer control in Visual Basic .NET. |
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| Keywords | splitter, SplitContainer, adjust splitter, controls, programming, example, example program, Windows Forms programming, Visual Basic .NET, VB.NET |
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| Categories | Controls |
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You can use the SplitContainer's Panel1Collapsed and Panel2Collapsed properties to collapse one of the panels and make it disappear. While a panel is collapsed, the user cannot adjust the splitter.
The following code makes the left panel disappear in a horizontal SplitContainer.
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SplitContainer1.Panel1Collapsed = true;
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To set the splitter to a particular position, set the SplitContainer's SplitterDistance property. Be sure to un-collapse any panels that you may have collapsed.
The following code moves the splitter to 25% of the way through the SplitContainer.
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SplitContainer1.Panel1Collapsed = false;
SplitContainer1.Panel2Collapsed = false;
SplitContainer1.SplitterDistance = _
(int)(SplitContainer1.ClientSize.Width * 0.25);
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In the example program, click the buttons to collapse a panel or move the splitter to 25%, 50%, or 75% of the way through the SplitContainer.
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