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DataGridViewTriState Enumeration

Defines values for specifying one of three possible states.

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

public enum DataGridViewTriState

Member nameDescription
FalseThe property's state is false.
NotSetThe property is not set and will behave in a default manner.
TrueThe property's state is true.

The DataGridViewTriState enumeration is useful whenever a third state is needed in addition to the two states of the Boolean type. For example, the DataGridViewCellStyle.WrapMode property is of type DataGridViewTriState so that a DataGridViewCellStyle object can indicate no preference in regards to the text wrapping of a cell value, and can instead indicate that the WrapMode value of a different DataGridViewCellStyle object should be used.

The following code example illustrates the use of this type.

this.dataGridView1.DefaultCellStyle.WrapMode =
    DataGridViewTriState.True;

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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