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);
}
