'Declaration Public Function GetHeaderCheckedState( _ ByVal rows As RowsCollection _ ) As CheckState
public CheckState GetHeaderCheckedState( RowsCollection rows )
Private Sub ToggleHeaderCheckBox(ByRef column As UltraGridColumn, ByRef rows As RowsCollection) ' Return if no UltraGridColumn is supplied ' If column Is Nothing Then Exit Sub End If ' Flag to indicate the current check state ' Dim isChecked As Boolean = False ' Retrieve the current CheckState of the Header CheckBox for the provided RowsCollection, ' and set the isChecked flag ' Select Case column.GetHeaderCheckedState(rows) Case CheckState.Checked isChecked = True Exit Select Case CheckState.Unchecked isChecked = False Exit Select Case Else Exit Sub ' Do nothing if Indeterminate End Select ' Set the CheckState of the Header CheckBox ' column.SetHeaderCheckedState(rows, Not isChecked) End Sub
private void ToggleHeaderCheckBox(UltraGridColumn column, RowsCollection rows) { // Return if no UltraGridColumn is supplied // if (column == null) return; // Flag to indicate the current check state // bool isChecked = false; // Retrieve the current CheckState of the Header CheckBox for the provided RowsCollection, // and set the isChecked flag // switch (column.GetHeaderCheckedState(rows)) { case CheckState.Checked: isChecked = true; break; case CheckState.Unchecked: isChecked = false; break; default: // Do nothing if Indeterminate return; } // Set the CheckState of the Header CheckBox // column.SetHeaderCheckedState(rows, !isChecked); }
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2