DataGridViewCheckBoxCell.MouseUpUnsharesRow Method (DataGridViewCellMouseEventArgs)
Indicates whether the row containing the cell will be unshared when the mouse button is released while the pointer is over the cell.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
For this cell type, releasing the mouse while the pointer is over the cell always unshares the row containing the cell.
For more information about row sharing, see Best Practices for Scaling the Windows Forms DataGridView Control.
Available since 2.0