/// <include file="../../docs/Microsoft.Maui.Controls/RowDefinitionCollectionTypeConverter.xml" path="//Member[@MemberName='ConvertTo']/Docs" />
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (value is not RowDefinitionCollection rdc)
{
throw new NotSupportedException();
}
var converter = new GridLengthTypeConverter();
return(string.Join(", ", rdc.Select(rd => converter.ConvertToInvariantString(rd.Height))));
}
public override string ConvertToInvariantString(object value)
{
if (!(value is ColumnDefinitionCollection cdc))
{
throw new NotSupportedException();
}
var converter = new GridLengthTypeConverter();
return(string.Join(", ", cdc.Select(cd => converter.ConvertToInvariantString(cd.Width))));
}
public override string ConvertToInvariantString(object value)
{
if (!(value is RowDefinitionCollection rdc))
{
throw new NotSupportedException();
}
var converter = new GridLengthTypeConverter();
return(string.Join(", ", rdc.Select(rd => converter.ConvertToInvariantString(rd.Height))));
}
public override object ConvertFromInvariantString(string value)
{
if (value != null)
{
var lengths = value.Split(',');
var coldefs = new ColumnDefinitionCollection();
var converter = new GridLengthTypeConverter();
foreach (var length in lengths)
{
coldefs.Add(new ColumnDefinition {
Width = (GridLength)converter.ConvertFromInvariantString(length)
});
}
return(coldefs);
}
throw new InvalidOperationException(string.Format("Cannot convert \"{0}\" into {1}", value, typeof(ColumnDefinitionCollection)));
}
/// <include file="../../docs/Microsoft.Maui.Controls/RowDefinitionCollectionTypeConverter.xml" path="//Member[@MemberName='ConvertFrom']/Docs" />
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
var strValue = value?.ToString();
if (strValue != null)
{
var lengths = strValue.Split(',');
var coldefs = new RowDefinitionCollection();
var converter = new GridLengthTypeConverter();
foreach (var length in lengths)
{
coldefs.Add(new RowDefinition {
Height = (GridLength)converter.ConvertFromInvariantString(length)
});
}
return(coldefs);
}
throw new InvalidOperationException(string.Format("Cannot convert \"{0}\" into {1}", strValue, typeof(RowDefinitionCollection)));
}
/// <include file="../../docs/Microsoft.Maui.Controls/ColumnDefinitionCollectionTypeConverter.xml" path="//Member[@MemberName='ConvertFrom']/Docs" />
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
var strValue = value?.ToString();
if (strValue != null)
{
var lengths = strValue.Split(',');
var converter = new GridLengthTypeConverter();
var definitions = new ColumnDefinition[lengths.Length];
for (var i = 0; i < lengths.Length; i++)
{
definitions[i] = new ColumnDefinition {
Width = (GridLength)converter.ConvertFromInvariantString(lengths[i])
}
}
;
return(new ColumnDefinitionCollection(definitions));
}
throw new InvalidOperationException(string.Format("Cannot convert \"{0}\" into {1}", strValue, typeof(ColumnDefinitionCollection)));
}
