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How do I use the CSV clipboard format supported by Excel

Platform: WinForms| Category: Strings

In this case, the dataobject is a memory stream. Here are code snippets that allow you to get/set CSV values from/to the clipboard in a manner compatible with Excel.

[C#]
private void GetCSVFromClipBoard_Click(object sender, System.EventArgs e)
{
	IDataObject o = Clipboard.GetDataObject();
	if(o.GetDataPresent(DataFormats.CommaSeparatedValue)) 
	{
		StreamReader sr = new StreamReader((Stream) o.GetData(DataFormats.CommaSeparatedValue));
		string s = sr.ReadToEnd();
		sr.Close();
		Console.WriteLine(s);
	}
}

private void CopyCSVToClipBoard_Click(object sender, System.EventArgs e)
{
	String csv = '1,2,3' + Environment.NewLine + '6,8,3';
	byte[] blob = System.Text.Encoding.UTF8.GetBytes(csv);
	MemoryStream s = new MemoryStream(blob);
	DataObject data = new DataObject();
	data.SetData(DataFormats.CommaSeparatedValue, s);
	Clipboard.SetDataObject(data, true);
}

[VB.NET]
Private Sub GetCSVFromClipBoard_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
	Dim o As IDataObject = Clipboard.GetDataObject()
	If Not o Is Nothing Then
		If (o.GetDataPresent(DataFormats.CommaSeparatedValue)) Then
			Dim sr As New StreamReader(CType(o.GetData(DataFormats.CommaSeparatedValue), Stream))
			Dim s As String = sr.ReadToEnd()
			sr.Close()
			Console.WriteLine(s)
		End If
	End If
End Sub ’GetCSVFromClipBoard_Click

Private Sub CopyCSVToClipBoard_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
	Dim csv As String = '1,2,3' + Environment.NewLine + '6,8,3'
	Dim blob As Byte() = System.Text.Encoding.UTF8.GetBytes(csv)
	Dim s As New MemoryStream(blob)
	Dim data As New DataObject()
	data.SetData(DataFormats.CommaSeparatedValue, s)
	Clipboard.SetDataObject(data, True)
End Sub ’CopyCSVToClipBoard_Click

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