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Declare Function SetConsoleScreenBufferInfoEx Lib "kernel32.dll" (TODO) As TODO
User-Defined Types:
[StructLayout(LayoutKind.Sequential)]
public struct CONSOLE_SCREEN_BUFFER_INFO_EX
{
public uint cbSize;
public COORD dwSize;
public COORD dwCursorPosition;
public short wAttributes;
public SMALL_RECT srWindow;
public COORD dwMaximumWindowSize;
public ushort wPopupAttributes;
public bool bFullscreenSupported;
internal COLORREF black;
internal COLORREF darkBlue;
internal COLORREF darkGreen;
internal COLORREF darkCyan;
internal COLORREF darkRed;
internal COLORREF darkMagenta;
internal COLORREF darkYellow;
internal COLORREF gray;
internal COLORREF darkGray;
internal COLORREF blue;
internal COLORREF green;
internal COLORREF cyan;
internal COLORREF red;
internal COLORREF magenta;
internal COLORREF yellow;
internal COLORREF white;
}
// Hack Hack Hack
// Too lazy to figure out the array at the moment...
//public COLORREF[16] ColorTable;
public COLORREF color0;
public COLORREF color1;
public COLORREF color2;
public COLORREF color3;
public COLORREF color4;
public COLORREF color5;
public COLORREF color6;
public COLORREF color7;
Alternative Managed API:
Do you know one? Please contribute it!
public COLORREF color8;
public COLORREF color9;
public COLORREF colorA;
public COLORREF colorB;
Notes:
// Untested, added during 1-pass copy & paste of windows console fuctions
public COLORREF colorC;
public COLORREF colorD;
public COLORREF colorE;
public COLORREF colorF;
}
Tips & Tricks:
Please add some!
Sample Code:
// Copyright Alex Shvedov
// Modified by MercuryP with color specifications
// Use this code in any way you want
Alternative Managed API:
Do you know one? Please contribute it!
using System;
using System.Diagnostics; // for Debug
using System.Drawing; // for Color (add reference to System.Drawing assembly)
using System.Runtime.InteropServices; // for StructLayout
Notes:
// Untested, added during 1-pass copy & paste of windows console fuctions
internal class SetScreenColorsDemo
{
[StructLayout(LayoutKind.Sequential)]
internal struct COORD
{
internal short X;
internal short Y;
}
[StructLayout(LayoutKind.Sequential)]
internal struct SMALL_RECT
{
internal short Left;
internal short Top;
internal short Right;
internal short Bottom;
}
[StructLayout(LayoutKind.Sequential)]
internal struct COLORREF
{
internal uint ColorDWORD;
/*** C prototype:
#include <Windows.h>
#include <stdio.h>
//#include <conio.h> // for _getch()
int wmain() {
CONSOLE_SCREEN_BUFFER_INFOEX info;
info.cbSize = sizeof(info);
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfoEx(hConsole, &info);
// info.ColorTable[0] - "Screen Background" color
// info.ColorTable[7] - "Screen Text" color
info.ColorTable[0] = RGB(0, 0, 200);
info.ColorTable[7] = RGB(200, 200, 0);
++info.srWindow.Bottom; // reasons for these is unknown
++info.srWindow.Right;
SetConsoleScreenBufferInfoEx(hConsole, &info);
puts("Press ENTER to exit...");
char bbb[100];
gets_s(bbb);
return 0;
} */
// Set a specific console color to an RGB color
// The default console colors used are gray (foreground) and black (background)
public static int SetColor(ConsoleColor consoleColor, Color targetColor)
{
return SetColor(consoleColor, targetColor.R, targetColor.G, targetColor.B);
int wmain() {
CONSOLE_SCREEN_BUFFER_INFOEX info;
info.cbSize = sizeof(info);
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfoEx(hConsole, &info);
// info.ColorTable[0] - "Screen Background" color
// info.ColorTable[7] - "Screen Text" color
info.ColorTable[0] = RGB(0, 0, 200);
info.ColorTable[7] = RGB(200, 200, 0);
++info.srWindow.Bottom; // reasons for these is unknown
++info.srWindow.Right;
SetConsoleScreenBufferInfoEx(hConsole, &info);
puts("Press ENTER to exit...");
char bbb[100];
gets_s(bbb);
return 0;
} */
public static int SetColor(ConsoleColor color, uint r, uint g, uint b)
{
public static int SetScreenColors(Color screenTextColor, Color screenBackgroundColor) {
CONSOLE_SCREEN_BUFFER_INFO_EX csbe = new CONSOLE_SCREEN_BUFFER_INFO_EX();
csbe.cbSize = (int)Marshal.SizeOf(csbe); // 96 = 0x60
IntPtr hConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE); // 7
if (hConsoleOutput == INVALID_HANDLE_VALUE)
{
if(hConsoleOutput == INVALID_HANDLE_VALUE) {
return Marshal.GetLastWin32Error();
}
bool brc = GetConsoleScreenBufferInfoEx(hConsoleOutput, ref csbe);
if (!brc)
{
if(!brc) {
return Marshal.GetLastWin32Error();
}
csbe.screenTextColor.SetColor(screenTextColor);
csbe.screenBackgroundColor.SetColor(screenBackgroundColor);
++csbe.srWindow.Bottom;
++csbe.srWindow.Right;
brc = SetConsoleScreenBufferInfoEx(hConsoleOutput, ref csbe);
if(!brc) {
return Marshal.GetLastWin32Error();
}
return 0;
}
switch (color)
{
case ConsoleColor.Black:
csbe.black = new COLORREF(r, g, b);
break;
case ConsoleColor.DarkBlue:
csbe.darkBlue = new COLORREF(r, g, b);
break;
case ConsoleColor.DarkGreen:
csbe.darkGreen = new COLORREF(r, g, b);
break;
case ConsoleColor.DarkCyan:
csbe.darkCyan = new COLORREF(r, g, b);
break;
case ConsoleColor.DarkRed:
csbe.darkRed = new COLORREF(r, g, b);
break;
case ConsoleColor.DarkMagenta:
csbe.darkMagenta = new COLORREF(r, g, b);
break;
case ConsoleColor.DarkYellow:
csbe.darkYellow = new COLORREF(r, g, b);
break;
case ConsoleColor.Gray:
csbe.gray = new COLORREF(r, g, b);
break;
case ConsoleColor.DarkGray:
csbe.darkGray = new COLORREF(r, g, b);
break;
case ConsoleColor.Blue:
csbe.blue = new COLORREF(r, g, b);
break;
case ConsoleColor.Green:
csbe.green = new COLORREF(r, g, b);
break;
case ConsoleColor.Cyan:
csbe.cyan = new COLORREF(r, g, b);
break;
case ConsoleColor.Red:
csbe.red = new COLORREF(r, g, b);
break;
case ConsoleColor.Magenta:
csbe.magenta = new COLORREF(r, g, b);
break;
case ConsoleColor.Yellow:
csbe.yellow = new COLORREF(r, g, b);
break;
case ConsoleColor.White:
csbe.white = new COLORREF(r, g, b);
break;
}
++csbe.srWindow.Bottom;
++csbe.srWindow.Right;
brc = SetConsoleScreenBufferInfoEx(hConsoleOutput, ref csbe);
if (!brc)
{
return Marshal.GetLastWin32Error();
}
return 0;
}
public static int SetScreenColors(Color foregroundColor, Color backgroundColor)
{
int irc;
irc = SetColor(ConsoleColor.Gray, foregroundColor);
if (irc != 0) return irc;
irc = SetColor(ConsoleColor.Black, backgroundColor);
if (irc != 0) return irc;
Debug.WriteLine("LargestWindowHeight=" + Console.LargestWindowHeight + " LargestWindowWidth=" + Console.LargestWindowWidth);
Debug.WriteLine("BufferHeight=" + Console.BufferHeight + " WindowHeight=" + Console.WindowHeight + " BufferWidth=" + Console.BufferWidth + " WindowWidth=" + Console.WindowWidth);
//// these are relative to the buffer, not the screen:
//Debug.WriteLine("WindowTop=" + Console.WindowTop + " WindowLeft=" + Console.WindowLeft);
Debug.WriteLine("ForegroundColor=" + Console.ForegroundColor + " BackgroundColor=" + Console.BackgroundColor);
Console.WriteLine("Some text in a console window");
Console.BackgroundColor = ConsoleColor.Cyan;
Console.ForegroundColor = ConsoleColor.Yellow;
Debug.WriteLine("ForegroundColor=" + Console.ForegroundColor + " BackgroundColor=" + Console.BackgroundColor);
Console.Write("Press ENTER to exit...");
Console.ReadLine();
// Note: If you use SetScreenColors, the RGB values of gray and black are changed permanently for the console window.
// Using i.e. Console.ForegroundColor = ConsoleColor.Gray afterwards will switch the color to whatever you changed gray to
// It's best to use SetColor for the purpose of choosing the 16 colors you want the console to be able to display, then use
// Console.BackgroundColor and Console.ForegrondColor to choose among them.
}
}
}
Please edit this page!
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helpful tips or sample code to share for using this API in managed code?
corrections to the existing content?
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Alex Shvedov
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