DataGridViewColumnCollection::GetPreviousColumn Method (DataGridViewColumn^, DataGridViewElementStates, DataGridViewElementStates)
Gets the last column prior to the given column in display order that meets the given filter requirements.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
public:
DataGridViewColumn^ GetPreviousColumn(
DataGridViewColumn^ dataGridViewColumnStart,
DataGridViewElementStates includeFilter,
DataGridViewElementStates excludeFilter
)
Parameters
- dataGridViewColumnStart
-
Type:
System.Windows.Forms::DataGridViewColumn^
The column from which to start searching for the previous column.
- includeFilter
-
Type:
System.Windows.Forms::DataGridViewElementStates
A bitwise combination of the DataGridViewElementStates values that represent the filter to apply for inclusion.
- excludeFilter
-
Type:
System.Windows.Forms::DataGridViewElementStates
A bitwise combination of the DataGridViewElementStates values that represent the filter to apply for exclusion.
Return Value
Type: System.Windows.Forms::DataGridViewColumn^The previous column that meets the given filter requirements, or null if no column is found.
| Exception | Condition |
|---|---|
| ArgumentNullException | dataGridViewColumnStart is null. |
| ArgumentException | At least one of the filter values is not a valid bitwise combination of DataGridViewElementStates values. |
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.
Available since 2.0