Data commit

Task/Terminal-control-Positional-read/C/terminal-control-positional-read.c

@@ -0,0 +1,33 @@
+#include <windows.h>
+#include <wchar.h>
+
+int
+main()
+{
+	CONSOLE_SCREEN_BUFFER_INFO info;
+	COORD pos;
+	HANDLE conout;
+	long len;
+	wchar_t c;
+
+	/* Create a handle to the console screen. */
+	conout = CreateFileW(L"CONOUT$", GENERIC_READ | GENERIC_WRITE,
+	    FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
+	    0, NULL);
+	if (conout == INVALID_HANDLE_VALUE)
+		return 1;
+
+	/* Where is the display window? */
+	if (GetConsoleScreenBufferInfo(conout, &info) == 0)
+		return 1;
+
+	/* c = character at position. */
+	pos.X = info.srWindow.Left + 3;  /* Column */
+	pos.Y = info.srWindow.Top  + 6;  /* Row */
+	if (ReadConsoleOutputCharacterW(conout, &c, 1, pos, &len) == 0 ||
+	    len <= 0)
+		return 1;
+
+	wprintf(L"Character at (3, 6) had been '%lc'\n", c);
+	return 0;
+}