本文整理匯總了C#中System.Drawing.PointF.ThrowIfNull方法的典型用法代碼示例。如果您正苦於以下問題：C# PointF.ThrowIfNull方法的具體用法？C# PointF.ThrowIfNull怎麽用？C# PointF.ThrowIfNull使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Drawing.PointF的用法示例。
在下文中一共展示了PointF.ThrowIfNull方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: Contains
/// <summary>
/// Checks if given <c>PointF</c> is contained within quadrilateral
/// defined by <c>cornerPoints</c> provided.
/// </summary>
/// <param name="point"><c>PointF</c> to check.</param>
/// <param name="cornerPoints">Array of <c>PointF</c> structures defining corners of the
/// quadrilateral.</param>
/// <returns>
/// <c>true</c> if the point is contained within the quadrilateral.
/// </returns>
/// <exception cref="System.ArgumentNullException">point or cornerPoints</exception>
public static bool Contains(PointF point, PointF[] cornerPoints)
{
point.ThrowIfNull(nameof(point));
cornerPoints.ThrowIfNull(nameof(cornerPoints));
int intersections = 0;
for (int i = 1; i < cornerPoints.Length; ++i)
{
if (DoesIntersect(point, cornerPoints[i], cornerPoints[i - 1]))
++intersections;
}
if (DoesIntersect(point, cornerPoints[cornerPoints.Length - 1], cornerPoints[0]))
++intersections;
return intersections % 2 != 0;
}