All standard file and directory operations are supported in wxWidgets. Below are two sample programs – the first writes and reads a text file while the second does directory functions.<\/p>\n\n\n\n
SAMPLE CODE<\/p>\n\n\n\n
filereadwrite.cpp<\/pre>\n\n\n\n#include <wx\/wxprec.h>\n#ifndef WX_PRECOMP\n\t#include <wx\/wx.h>\n#endif\n#include <wx\/string.h>\n#include <wx\/file.h>\n#include <wx\/textfile.h>\n\nint main(int argc, char **argv) {\n\twxInitialize();\n\n\twxString line = wxT("This is a line of text\\nThis is second line.\\nThis is last line.\\n");\n\twxFile file;\n\tfile.Create(wxT("file.dat"), true);\n\tif (file.IsOpened()) {\n\t\tfile.Write(line);\n\t\tfile.Close();\n\t} else {\n\t\twxPuts(wxT("Could not open file"));\n\t\treturn -1;\n\t}\n\t\n\t\n\twxTextFile tfile;\n\ttfile.Open(wxT("file.dat"));\n\tif (!tfile.IsOpened()) {\n\t\twxPuts("File could not be read");\n\t\treturn -1;\n\t}\n\twxPrintf(wxT("Line count: %ld\\n"), tfile.GetLineCount());\n\n\twxString data;\n\tdata = tfile.GetFirstLine();\n\twhile (!tfile.Eof()) {\n\t wxPuts(data);\n\t data = tfile.GetNextLine();\n\n\t}\n\ttfile.Close();\n\n\twxUninitialize();\n}\n\n<\/pre><\/div>\n\n\nThe output is given below:<\/p>\n\n\n\n
Line count: 3\n This is a line of text\n This is second line.\n This is last line.\n\n<\/pre>\n\n\n\ndirectory.cpp<\/pre>\n\n\n\n#include <wx\/wxprec.h>\n#ifndef WX_PRECOMP\n\t#include <wx\/wx.h>\n#endif\n#include <wx\/string.h>\n#include <wx\/filefn.h>\n#include <wx\/dir.h>\n\nint main(int argc, char **argv) {\n\twxInitialize();\n\n\twxDir curr(wxGetCwd());\n\t\n\twxString f;\n\tbool flag = curr.GetFirst(&f, wxEmptyString, wxDIR_FILES | wxDIR_DIRS);\n\twhile (flag) {\n\t\twxPuts(f);\n\t\tflag = curr.GetNext(&f);\n\t}\t\n\n\twxPuts("========================");\n\tflag = curr.GetFirst(&f, wxT("*.cpp"), wxDIR_FILES | wxDIR_DIRS);\n\twhile (flag) {\n\t\twxPuts(f);\n\t\tflag = curr.GetNext(&f);\n\t}\t\n\n\twxPuts("========================");\n\tbool ret = wxMkdir(wxT("tempdir"));\n\tif (!ret) {\n\t wxPuts("Could not create tempdir");\n\t} else {\n\t wxPuts("tempdir created");\n\t ret = wxRmdir(wxT("tempdir"));\n\t if (ret)\n\t\t wxPuts("tempdir deleted");\n\t}\n\n\twxUninitialize();\n}\n\n<\/pre><\/div>\n\n\nThe output is given below:<\/p>\n\n\n\n
file.dat\n platform.cpp\n platform\n directory\n filereadwrite\n directory.cpp\n console\n datetime\n pcontrol\n pcontrol.cpp\n strings\n datetime.cpp\n filereadwrite.cpp\n strings.cpp\n console.cpp\n platform.cpp\n directory.cpp\n pcontrol.cpp\n datetime.cpp\n filereadwrite.cpp\n strings.cpp\n console.cpp\n tempdir created\n tempdir deleted<\/pre>\n","protected":false},"excerpt":{"rendered":"