public unsafe static void MoveBufferArea(int sourceLeft, int sourceTop,
int sourceWidth, int sourceHeight, int targetLeft, int targetTop,
char sourceChar, ConsoleColor sourceForeColor,
ConsoleColor sourceBackColor)
{
if (sourceForeColor < ConsoleColor.Black || sourceForeColor > ConsoleColor.White)
throw new ArgumentException(Environment.GetResourceString("Arg_InvalidConsoleColor"), "sourceForeColor");
if (sourceBackColor < ConsoleColor.Black || sourceBackColor > ConsoleColor.White)
throw new ArgumentException(Environment.GetResourceString("Arg_InvalidConsoleColor"), "sourceBackColor");
Contract.EndContractBlock();
Win32Native.CONSOLE_SCREEN_BUFFER_INFO csbi = GetBufferInfo();
Win32Native.COORD bufferSize = csbi.dwSize;
if (sourceLeft < 0 || sourceLeft > bufferSize.X)
throw new ArgumentOutOfRangeException("sourceLeft", sourceLeft, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
if (sourceTop < 0 || sourceTop > bufferSize.Y)
throw new ArgumentOutOfRangeException("sourceTop", sourceTop, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
if (sourceWidth < 0 || sourceWidth > bufferSize.X - sourceLeft)
throw new ArgumentOutOfRangeException("sourceWidth", sourceWidth, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
if (sourceHeight < 0 || sourceTop > bufferSize.Y - sourceHeight)
throw new ArgumentOutOfRangeException("sourceHeight", sourceHeight, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
// Note: if the target range is partially in and partially out
// of the buffer, then we let the OS clip it for us.
if (targetLeft < 0 || targetLeft > bufferSize.X)
throw new ArgumentOutOfRangeException("targetLeft", targetLeft, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
if (targetTop < 0 || targetTop > bufferSize.Y)
throw new ArgumentOutOfRangeException("targetTop", targetTop, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
// If we're not doing any work, bail out now (Windows will return
// an error otherwise)
if (sourceWidth == 0 || sourceHeight == 0)
return;
new UIPermission(UIPermissionWindow.SafeTopLevelWindows).Demand();
// Read data from the original location, blank it out, then write
// it to the new location. This will handle overlapping source and
// destination regions correctly.
// See the "Reading and Writing Blocks of Characters and Attributes"
// sample for help
// Read the old data
Win32Native.CHAR_INFO[] data = new Win32Native.CHAR_INFO[sourceWidth * sourceHeight];
bufferSize.X = (short) sourceWidth;
bufferSize.Y = (short) sourceHeight;
Win32Native.COORD bufferCoord = new Win32Native.COORD();
Win32Native.SMALL_RECT readRegion = new Win32Native.SMALL_RECT();
readRegion.Left = (short) sourceLeft;
readRegion.Right = (short) (sourceLeft + sourceWidth - 1);
readRegion.Top = (short) sourceTop;
readRegion.Bottom = (short) (sourceTop + sourceHeight - 1);
bool r;
fixed(Win32Native.CHAR_INFO* pCharInfo = data)
r = Win32Native.ReadConsoleOutput(ConsoleOutputHandle, pCharInfo, bufferSize, bufferCoord, ref readRegion);
if (!r)
__Error.WinIOError();
// Overwrite old section
// I don't have a good function to blank out a rectangle.
Win32Native.COORD writeCoord = new Win32Native.COORD();
writeCoord.X = (short) sourceLeft;
Win32Native.Color c = ConsoleColorToColorAttribute(sourceBackColor, true);
c |= ConsoleColorToColorAttribute(sourceForeColor, false);
short attr = (short) c;
int numWritten;
for(int i = sourceTop; i<sourceTop + sourceHeight; i++) {
writeCoord.Y = (short) i;
r = Win32Native.FillConsoleOutputCharacter(ConsoleOutputHandle, sourceChar, sourceWidth, writeCoord, out numWritten);
Contract.Assert(numWritten == sourceWidth, "FillConsoleOutputCharacter wrote the wrong number of chars!");
if (!r)
__Error.WinIOError();
r = Win32Native.FillConsoleOutputAttribute(ConsoleOutputHandle, attr, sourceWidth, writeCoord, out numWritten);
if (!r)
__Error.WinIOError();
}
// Write text to new location
Win32Native.SMALL_RECT writeRegion = new Win32Native.SMALL_RECT();
writeRegion.Left = (short) targetLeft;
writeRegion.Right = (short) (targetLeft + sourceWidth);
writeRegion.Top = (short) targetTop;
writeRegion.Bottom = (short) (targetTop + sourceHeight);
fixed(Win32Native.CHAR_INFO* pCharInfo = data)
r = Win32Native.WriteConsoleOutput(ConsoleOutputHandle, pCharInfo, bufferSize, bufferCoord, ref writeRegion);
}
public static unsafe void MoveBufferArea(int sourceLeft, int sourceTop, int sourceWidth, int sourceHeight, int targetLeft, int targetTop, char sourceChar, ConsoleColor sourceForeColor, ConsoleColor sourceBackColor)
{
if ((sourceForeColor < ConsoleColor.Black) || (sourceForeColor > ConsoleColor.White))
{
throw new ArgumentException(Environment.GetResourceString("Arg_InvalidConsoleColor"), "sourceForeColor");
}
if ((sourceBackColor < ConsoleColor.Black) || (sourceBackColor > ConsoleColor.White))
{
throw new ArgumentException(Environment.GetResourceString("Arg_InvalidConsoleColor"), "sourceBackColor");
}
Win32Native.COORD dwSize = GetBufferInfo().dwSize;
if ((sourceLeft < 0) || (sourceLeft > dwSize.X))
{
throw new ArgumentOutOfRangeException("sourceLeft", sourceLeft, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
}
if ((sourceTop < 0) || (sourceTop > dwSize.Y))
{
throw new ArgumentOutOfRangeException("sourceTop", sourceTop, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
}
if ((sourceWidth < 0) || (sourceWidth > (dwSize.X - sourceLeft)))
{
throw new ArgumentOutOfRangeException("sourceWidth", sourceWidth, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
}
if ((sourceHeight < 0) || (sourceTop > (dwSize.Y - sourceHeight)))
{
throw new ArgumentOutOfRangeException("sourceHeight", sourceHeight, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
}
if ((targetLeft < 0) || (targetLeft > dwSize.X))
{
throw new ArgumentOutOfRangeException("targetLeft", targetLeft, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
}
if ((targetTop < 0) || (targetTop > dwSize.Y))
{
throw new ArgumentOutOfRangeException("targetTop", targetTop, Environment.GetResourceString("ArgumentOutOfRange_ConsoleBufferBoundaries"));
}
if ((sourceWidth != 0) && (sourceHeight != 0))
{
bool flag;
Win32Native.CHAR_INFO[] char_infoArray3;
new UIPermission(UIPermissionWindow.SafeTopLevelWindows).Demand();
Win32Native.CHAR_INFO[] char_infoArray = new Win32Native.CHAR_INFO[sourceWidth * sourceHeight];
dwSize.X = (short) sourceWidth;
dwSize.Y = (short) sourceHeight;
Win32Native.COORD bufferCoord = new Win32Native.COORD();
Win32Native.SMALL_RECT readRegion = new Win32Native.SMALL_RECT {
Left = (short) sourceLeft,
Right = (short) ((sourceLeft + sourceWidth) - 1),
Top = (short) sourceTop,
Bottom = (short) ((sourceTop + sourceHeight) - 1)
};
fixed (Win32Native.CHAR_INFO* char_infoRef = char_infoArray)
{
flag = Win32Native.ReadConsoleOutput(ConsoleOutputHandle, char_infoRef, dwSize, bufferCoord, ref readRegion);
}
if (!flag)
{
__Error.WinIOError();
}
Win32Native.COORD dwWriteCoord = new Win32Native.COORD {
X = (short) sourceLeft
};
Win32Native.Color color = (Win32Native.Color) ((short) (ConsoleColorToColorAttribute(sourceBackColor, true) | ConsoleColorToColorAttribute(sourceForeColor, false)));
short wColorAttribute = (short) color;
for (int i = sourceTop; i < (sourceTop + sourceHeight); i++)
{
int num2;
dwWriteCoord.Y = (short) i;
if (!Win32Native.FillConsoleOutputCharacter(ConsoleOutputHandle, sourceChar, sourceWidth, dwWriteCoord, out num2))
{
__Error.WinIOError();
}
if (!Win32Native.FillConsoleOutputAttribute(ConsoleOutputHandle, wColorAttribute, sourceWidth, dwWriteCoord, out num2))
{
__Error.WinIOError();
}
}
Win32Native.SMALL_RECT writeRegion = new Win32Native.SMALL_RECT {
Left = (short) targetLeft,
Right = (short) (targetLeft + sourceWidth),
Top = (short) targetTop,
Bottom = (short) (targetTop + sourceHeight)
};
if (((char_infoArray3 = char_infoArray) == null) || (char_infoArray3.Length == 0))
{
char_infoRef2 = null;
goto Label_02C4;
}
fixed (Win32Native.CHAR_INFO* char_infoRef2 = char_infoArray3)
{
Label_02C4:
flag = Win32Native.WriteConsoleOutput(ConsoleOutputHandle, char_infoRef2, dwSize, bufferCoord, ref writeRegion);
}
}
}
