/// <summary>
/// Locks the window so that no redrawing occurs.
/// </summary>
public void LockWindow()
{
if (miLockCount == 0)
{
mbSuspendPainting = true;
EnhTextBoxAPIFunctions.SendMessageLong(Handle, EnhTextBoxAPIFunctions.Messages.WM_SETREDRAW, 0, 0);
}
;
miLockCount++;
}
/// <summary>
/// Unlocks and invalidates the window to resume redrawing.
/// </summary>
public void UnlockWindow()
{
miLockCount--;
if (miLockCount == 0)
{
mbSuspendPainting = false;
EnhTextBoxAPIFunctions.SendMessageLong(Handle, EnhTextBoxAPIFunctions.Messages.WM_SETREDRAW, 1, 0);
Invalidate();
}
if (miLockCount < 0)
{
miLockCount = 0;
}
}
/// <summary>
/// Sets the selection start and length.
/// </summary>
/// <param name="start">The start of the selection.</param>
/// <param name="length">The length of the selection.</param>
public void SetSel(int start, int length)
{
EnhTextBoxAPIFunctions.SendMessageLong(Handle, EnhTextBoxAPIFunctions.Messages.EM_SETSEL, start, start + length);
}