DataGridViewColumnCollection.GetPreviousColumn Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Important

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Gets the last column prior to the given column in display order that meets the given filter requirements.

public:
 System::Windows::Forms::DataGridViewColumn ^ GetPreviousColumn(System::Windows::Forms::DataGridViewColumn ^ dataGridViewColumnStart, System::Windows::Forms::DataGridViewElementStates includeFilter, System::Windows::Forms::DataGridViewElementStates excludeFilter);

public System.Windows.Forms.DataGridViewColumn GetPreviousColumn (System.Windows.Forms.DataGridViewColumn dataGridViewColumnStart, System.Windows.Forms.DataGridViewElementStates includeFilter, System.Windows.Forms.DataGridViewElementStates excludeFilter);

public System.Windows.Forms.DataGridViewColumn? GetPreviousColumn (System.Windows.Forms.DataGridViewColumn dataGridViewColumnStart, System.Windows.Forms.DataGridViewElementStates includeFilter, System.Windows.Forms.DataGridViewElementStates excludeFilter);

member this.GetPreviousColumn : System.Windows.Forms.DataGridViewColumn * System.Windows.Forms.DataGridViewElementStates * System.Windows.Forms.DataGridViewElementStates -> System.Windows.Forms.DataGridViewColumn

Public Function GetPreviousColumn (dataGridViewColumnStart As DataGridViewColumn, includeFilter As DataGridViewElementStates, excludeFilter As DataGridViewElementStates) As DataGridViewColumn

Parameters

dataGridViewColumnStart: DataGridViewColumn

The column from which to start searching for the previous column.

includeFilter: DataGridViewElementStates

A bitwise combination of the DataGridViewElementStates values that represent the filter to apply for inclusion.

excludeFilter: DataGridViewElementStates

A bitwise combination of the DataGridViewElementStates values that represent the filter to apply for exclusion.

Returns

DataGridViewColumn

The previous column that meets the given filter requirements, or null if no column is found.

Exceptions

ArgumentNullException

dataGridViewColumnStart is null.

ArgumentException

At least one of the filter values is not a valid bitwise combination of DataGridViewElementStates values.

Remarks

The previous column in display order is the column with the highest DisplayIndex value lower than the DisplayIndex value of the specified column, regardless of whether the column is actually visible on the screen.

This method lets you determine the first column before the current column that fits the given criteria without having to compare index values directly.

Applies to