ConvertFrom
(
ITypeDescriptorContext context,
CultureInfo culture,
Object value
)
{
Debug.Assert(value != null);
Debug.Assert(value is String);
AssertValid();
LabelUserSettings oLabelUserSettings = new LabelUserSettings();
String [] asStrings = ((String)value).Split(new Char[] { '\t' });
Debug.Assert(asStrings.Length == 5);
oLabelUserSettings.Font = (Font)
(new FontConverter()).ConvertFromInvariantString(asStrings[0]);
oLabelUserSettings.VertexLabelFillColor = (Color)
(new ColorConverter()).ConvertFromString(asStrings[1]);
oLabelUserSettings.VertexLabelPosition = (VertexLabelPosition)
Enum.Parse(typeof(VertexLabelPosition), asStrings[2]);
oLabelUserSettings.VertexLabelMaximumLength =
Int32.Parse(asStrings[3]);
oLabelUserSettings.EdgeLabelMaximumLength =
Int32.Parse(asStrings[4]);
return(oLabelUserSettings);
}
ConvertTo
(
ITypeDescriptorContext context,
CultureInfo culture,
Object value,
Type destinationType
)
{
Debug.Assert(value != null);
Debug.Assert(value is LabelUserSettings);
Debug.Assert(destinationType == typeof(String));
AssertValid();
LabelUserSettings oLabelUserSettings = (LabelUserSettings)value;
// Use a simple tab-delimited format. Sample string:
//
// "Microsoft Sans Serif, 8.25pt\tWhite\tBottomCenter\t2147483647\t
// 4294967295";
return(String.Format(CultureInfo.InvariantCulture,
"{0}\t{1}\t{2}\t{3}\t{4}"
,
(new FontConverter()).ConvertToInvariantString(
oLabelUserSettings.Font),
(new ColorConverter()).ConvertToString(
oLabelUserSettings.VertexLabelFillColor),
oLabelUserSettings.VertexLabelPosition,
oLabelUserSettings.VertexLabelMaximumLength,
oLabelUserSettings.EdgeLabelMaximumLength
));
}
//*************************************************************************
// Constructor: LabelUserSettingsDialog()
//
/// <summary>
/// Initializes a new instance of the <see
/// cref="LabelUserSettingsDialog" /> class.
/// </summary>
///
/// <param name="labelUserSettings">
/// The object being edited.
/// </param>
//*************************************************************************
public LabelUserSettingsDialog
(
LabelUserSettings labelUserSettings
)
{
Debug.Assert(labelUserSettings != null);
labelUserSettings.AssertValid();
m_oLabelUserSettings = labelUserSettings;
m_oFont = m_oLabelUserSettings.Font;
// Instantiate an object that saves and retrieves the position of this
// dialog. Note that the object automatically saves the settings when
// the form closes.
m_oLabelUserSettingsDialogUserSettings =
new LabelUserSettingsDialogUserSettings(this);
InitializeComponent();
usrVertexLabelMaximumLength.AccessKey = 'T';
usrEdgeLabelMaximumLength.AccessKey = 'c';
(new VertexLabelPositionConverter()).PopulateComboBox(
cbxVertexLabelPosition, false);
DoDataExchange(false);
AssertValid();
}
Copy()
{
AssertValid();
LabelUserSettings oCopy = new LabelUserSettings();
oCopy.Font = this.Font;
oCopy.VertexLabelFillColor = this.VertexLabelFillColor;
oCopy.VertexLabelPosition = this.VertexLabelPosition;
oCopy.VertexLabelMaximumLength = this.VertexLabelMaximumLength;
oCopy.EdgeLabelMaximumLength = this.EdgeLabelMaximumLength;
return(oCopy);
}
