private void copy_selection(bool unicode)
{
try
{
var selection_len = (int)(TextViewControl.SelectionEnd - TextViewControl.SelectionStart);
if (selection_len <= 0)
{
return;
}
var char_buffer = IntPtr.Zero;
var chars_filled = 0;
var eof = false;
try
{
text_provider.GetCharParagraph
(TextViewControl.SelectionStart,
selection_len,
false,
out char_buffer,
out chars_filled,
out eof);
var sel_string = string.Empty;
sel_string = Marshal.PtrToStringUni(char_buffer, chars_filled);
if (unicode)
{
Clipboard.SetText(sel_string, TextDataFormat.UnicodeText);
}
else
{
Clipboard.SetText(sel_string, TextDataFormat.Text);
}
}
finally
{
if (char_buffer != IntPtr.Zero)
{
//Marshal.FreeHGlobal(char_buffer);
//буфер не надо освобождать
}
}
}
catch (Exception ex)
{
Messages.ShowException(ex);
}
}
