本文整理汇总了C#中System.Windows.DragDrop.DragEnter Attached事件的典型用法代码示例。如果您正苦于以下问题:C# DragDrop.DragEnter Attached事件的具体用法?C# DragDrop.DragEnter Attached怎么用?C# DragDrop.DragEnter Attached使用的例子?那么, 这里精选的事件代码示例或许可以为您提供帮助。
在下文中一共展示了DragDrop.DragEnter Attached事件的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ellipse_DragEnter
private Brush _previousFill = null;
private void ellipse_DragEnter(object sender, DragEventArgs e)
{
Ellipse ellipse = sender as Ellipse;
if (ellipse != null)
{
// Save the current Fill brush so that you can revert back to this value in DragLeave.
_previousFill = ellipse.Fill;
// If the DataObject contains string data, extract it.
if (e.Data.GetDataPresent(DataFormats.StringFormat))
{
string dataString = (string)e.Data.GetData(DataFormats.StringFormat);
// If the string can be converted into a Brush, convert it.
BrushConverter converter = new BrushConverter();
if (converter.IsValid(dataString))
{
Brush newFill = (Brush)converter.ConvertFromString(dataString);
ellipse.Fill = newFill;
}
}
}
}