/// <summary>
/// Get properties from selected objects and fill GraphicsProperties instance
/// </summary>
/// <returns></returns>
private GraphicsProperties GetProperties()
{
GraphicsProperties properties = new GraphicsProperties();
bool bFirst = true;
int firstColor = 0;
int firstPenWidth = 1;
bool allColorsAreEqual = true;
bool allWidthAreEqual = true;
foreach (DrawObject o in Selection)
{
if (bFirst)
{
firstColor = o.Color.ToArgb();
firstPenWidth = o.PenWidth;
bFirst = false;
}
else
{
if (o.Color.ToArgb() != firstColor)
{
allColorsAreEqual = false;
}
if (o.PenWidth != firstPenWidth)
{
allWidthAreEqual = false;
}
}
}
if (allColorsAreEqual)
{
properties.Color = Color.FromArgb(firstColor);
}
if (allWidthAreEqual)
{
properties.PenWidth = firstPenWidth;
}
return(properties);
}