private static string TruncateMessageToFitScreen(string message)
{
IntPtr stockObject = Microsoft.Win32.SafeNativeMethods.GetStockObject(0x11);
IntPtr dC = Microsoft.Win32.UnsafeNativeMethods.GetDC(IntPtr.Zero);
NativeMethods.TEXTMETRIC tm = new NativeMethods.TEXTMETRIC();
stockObject = Microsoft.Win32.UnsafeNativeMethods.SelectObject(dC, stockObject);
Microsoft.Win32.SafeNativeMethods.GetTextMetrics(dC, tm);
Microsoft.Win32.UnsafeNativeMethods.SelectObject(dC, stockObject);
Microsoft.Win32.UnsafeNativeMethods.ReleaseDC(IntPtr.Zero, dC);
dC = IntPtr.Zero;
int num2 = (Microsoft.Win32.UnsafeNativeMethods.GetSystemMetrics(1) / tm.tmHeight) - 15;
int num3 = 0;
int num4 = 0;
int length = 0;
while ((num3 < num2) && (length < (message.Length - 1)))
{
char ch = message[length];
num4++;
if (((ch == '\n') || (ch == '\r')) || (num4 > 80))
{
num3++;
num4 = 0;
}
if ((ch == '\r') && (message[length + 1] == '\n'))
{
length += 2;
}
else
{
if ((ch == '\n') && (message[length + 1] == '\r'))
{
length += 2;
continue;
}
length++;
}
}
if (length < (message.Length - 1))
{
message = SR.GetString("DebugMessageTruncated", new object[] { message.Substring(0, length) });
}
return message;
}
public static extern bool GetTextMetrics(IntPtr hDC, [In, Out] NativeMethods.TEXTMETRIC tm);
public static extern bool GetTextMetrics(HandleRef hDC, [In, Out] NativeMethods.TEXTMETRIC tm);
