【发布时间】:2015-02-10 16:40:24
【问题描述】:
我正在尝试向我的 WPF 应用程序添加复制/粘贴功能。我有一个允许选择整行的 DataGrid。行是 AcquisitionParameters 类型的对象。选择没问题,也可以复制到剪贴板。复制到剪贴板后,我验证数据是否已经很好地序列化,是这样。但是当我尝试从剪贴板中检索对象时,我无法将其反序列化为其原始格式,而是以 CSV 格式。
private void dataGridAcquisitions_CopyingRowClipboardContent(object sender, DataGridRowClipboardEventArgs e)
{
System.Windows.Clipboard.Clear();
DataFormat format = System.Windows.DataFormats.GetDataFormat(typeof(AcquisitionParameters).FullName);
System.Windows.IDataObject dataObj = new System.Windows.DataObject();
dataObj.SetData(format.Name, (AcquisitionParameters)e.Item, false);
System.Windows.Clipboard.SetDataObject(dataObj, true);
bool ispresent = dataObj.GetDataPresent(format.Name); // ok
AcquisitionParameters parameters = dataObj.GetData(format.Name) as AcquisitionParameters; //ok
if(parameters != null && ispresent)
{
//enter here
}
}
private void dataGridAcquisitions_KeyDown(object sender, System.Windows.Input.KeyEventArgs e)
{
if (e.Key == Key.V && (Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
{
System.Windows.IDataObject dataObj = System.Windows.Clipboard.GetDataObject(); //type of AcquisitionParameters not available, only HTML, CSV, etc.
string format = typeof(AcquisitionParameters).FullName;
if(dataObj.GetDataPresent(format)) //false
{
AcquisitionParameters parameters = dataObj.GetData(format) as AcquisitionParameters;
if(parameters != null)
{
}
}
}
}
以及我的 AcquisitionParameters 类的声明
namespace App
{
[Serializable]
public class AcquisitionParameters
{
private double pulse;
public double Pulse
{
get { return pulse; }
set { pulse = value; }
}
private double range;
public double Range
{
get { return range; }
set { range = value; }
}
private double offset;
public double Offset
{
get { return offset; }
set { offset = value; }
}
}
}
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