本文整理匯總了C#中System.Windows.DragDrop.DragEnter Attached事件的典型用法代碼示例。如果您正苦於以下問題:C# DragDrop.DragEnter Attached事件的具體用法?C# DragDrop.DragEnter Attached怎麽用?C# DragDrop.DragEnter Attached使用的例子?那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。
在下文中一共展示了DragDrop.DragEnter Attached事件的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: 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;
}
}
}
}