public void MinimumHeight_Set_GetReturnsExpected(int value, int expectedHeight) { var dataGridView = new DataGridView { ColumnCount = 1, VirtualMode = true }; DataGridViewRow row = dataGridView.Rows[0]; row.Height = 10; int callCount = 0; DataGridViewRowHeightInfoNeededEventHandler handler = (sender, e) => { callCount++; e.MinimumHeight = value; Assert.Equal(value, e.MinimumHeight); Assert.Equal(expectedHeight, e.Height); }; dataGridView.RowHeightInfoNeeded += handler; Assert.Equal(value, row.MinimumHeight); Assert.Equal(1, callCount); }
/// <summary> /// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed. /// <example> /// datagridviewrowheightinfoneededeventhandler.BeginInvoke(sender, e, callback); /// </example> /// </summary> public static IAsyncResult BeginInvoke(this DataGridViewRowHeightInfoNeededEventHandler datagridviewrowheightinfoneededeventhandler, Object sender, DataGridViewRowHeightInfoNeededEventArgs e, AsyncCallback callback) { if (datagridviewrowheightinfoneededeventhandler == null) { throw new ArgumentNullException("datagridviewrowheightinfoneededeventhandler"); } return(datagridviewrowheightinfoneededeventhandler.BeginInvoke(sender, e, callback, null)); }
public void MinimumHeight_SetInvalid_ThrowsArgumentOutOfRangeException(int value) { var dataGridView = new DataGridView { ColumnCount = 1, VirtualMode = true }; DataGridViewRow row = dataGridView.Rows[0]; int callCount = 0; DataGridViewRowHeightInfoNeededEventHandler handler = (sender, e) => { callCount++; Assert.Throws <ArgumentOutOfRangeException>("value", () => e.MinimumHeight = value); }; dataGridView.RowHeightInfoNeeded += handler; Assert.Equal(3, row.MinimumHeight); Assert.Equal(1, callCount); }