private void StreamOut(Stream data, int flags, bool includeCrLfs)
{
this.editStream = data;
try
{
int num = 0;
System.Windows.Forms.NativeMethods.EDITSTREAM es = new System.Windows.Forms.NativeMethods.EDITSTREAM();
if ((flags & 0x10) != 0)
{
num = 10;
}
else
{
num = 6;
}
if ((flags & 2) != 0)
{
num |= 0x40;
}
else if (includeCrLfs)
{
num |= 0x20;
}
else
{
num |= 0x10;
}
es.dwCookie = (IntPtr) num;
es.pfnCallback = new System.Windows.Forms.NativeMethods.EditStreamCallback(this.EditStreamProc);
if (IntPtr.Size == 8)
{
System.Windows.Forms.NativeMethods.EDITSTREAM64 lParam = this.ConvertToEDITSTREAM64(es);
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x44a, flags, lParam);
es.dwError = this.GetErrorValue64(lParam);
}
else
{
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x44a, flags, es);
}
if (es.dwError != 0)
{
throw new InvalidOperationException(System.Windows.Forms.SR.GetString("SaveTextError"));
}
}
finally
{
this.editStream = null;
}
}
private void StreamIn(Stream data, int flags)
{
if ((flags & 0x8000) == 0)
{
System.Windows.Forms.NativeMethods.CHARRANGE lParam = new System.Windows.Forms.NativeMethods.CHARRANGE();
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x437, 0, lParam);
}
try
{
this.editStream = data;
if ((flags & 2) != 0)
{
long position = this.editStream.Position;
byte[] buffer = new byte[SZ_RTF_TAG.Length];
this.editStream.Read(buffer, (int) position, SZ_RTF_TAG.Length);
string str = Encoding.Default.GetString(buffer);
if (!SZ_RTF_TAG.Equals(str))
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("InvalidFileFormat"));
}
this.editStream.Position = position;
}
int num2 = 0;
System.Windows.Forms.NativeMethods.EDITSTREAM es = new System.Windows.Forms.NativeMethods.EDITSTREAM();
if ((flags & 0x10) != 0)
{
num2 = 9;
}
else
{
num2 = 5;
}
if ((flags & 2) != 0)
{
num2 |= 0x40;
}
else
{
num2 |= 0x10;
}
es.dwCookie = (IntPtr) num2;
es.pfnCallback = new System.Windows.Forms.NativeMethods.EditStreamCallback(this.EditStreamProc);
base.SendMessage(0x435, 0, 0x7fffffff);
if (IntPtr.Size == 8)
{
System.Windows.Forms.NativeMethods.EDITSTREAM64 editstream2 = this.ConvertToEDITSTREAM64(es);
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x449, flags, editstream2);
es.dwError = this.GetErrorValue64(editstream2);
}
else
{
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x449, flags, es);
}
this.UpdateMaxLength();
if (!this.GetProtectedError())
{
if (es.dwError != 0)
{
throw new InvalidOperationException(System.Windows.Forms.SR.GetString("LoadTextError"));
}
base.SendMessage(0xb9, -1, 0);
base.SendMessage(0xba, 0, 0);
}
}
finally
{
this.editStream = null;
}
}
