{"id":4020,"date":"2022-01-03T05:14:52","date_gmt":"2022-01-03T05:14:52","guid":{"rendered":"http:\/\/truelogic.org\/wordpress\/?p=4020"},"modified":"2022-01-03T05:14:53","modified_gmt":"2022-01-03T05:14:53","slug":"7b-wxwidgets-wxfiledialog","status":"publish","type":"post","link":"https:\/\/truelogic.org\/wordpress\/2022\/01\/03\/7b-wxwidgets-wxfiledialog\/","title":{"rendered":"7b.wxWidgets – wxFileDialog"},"content":{"rendered":"\n

OVERVIEW<\/strong><\/p>\n\n\n\n

In the sample code below, we use the wxFileDialog to select a text file , whose contents are then shown in a textbox.<\/p>\n\n\n\n

SAMPLE CODE<\/strong><\/p>\n\n\n\n

dialog-file.h<\/pre>\n\n\n
\n#include &lt;wx\/wxprec.h>\n#ifndef WX_PRECOMP\n\t#include &lt;wx\/wx.h>\n#endif\n\n\nclass DialogFile: public wxFrame {\n\tpublic:\n\t\tDialogFile(const wxString&amp; title);\n\t\tvoid OnClick(wxCommandEvent &amp;event);\n\tprivate:\n\t\twxTextCtrl *mTxt;\n};\n\n\n<\/pre><\/div>\n\n\n
dialog-file.cpp<\/pre>\n\n\n
\n#include "dialog-file.h"\n\nDialogFile::DialogFile(const wxString& title):\n\twxFrame(NULL, -1, title, wxDefaultPosition, wxSize(500,400)) {\n\n\twxPanel *panelMain = new wxPanel(this, -1);\n\twxBoxSizer *vbox = new wxBoxSizer(wxVERTICAL);\n\tpanelMain->SetSizer(vbox);\n\t\n\twxButton *btn1 = new wxButton(panelMain, -1, wxT("Choose Text File"));\n\tmTxt = new wxTextCtrl(panelMain, -1, wxT(""), wxPoint(-1,-1), wxSize(-1,-1), wxTE_MULTILINE);\n\n\tvbox->Add(btn1, 0, wxALL | wxCENTER,5);\n\tvbox->Add(mTxt, 1, wxALL | wxEXPAND | wxCENTER, 5);\n\t\n\tbtn1->Bind(wxEVT_BUTTON, &DialogFile::OnClick, this);\n\tCenter();\n}\n\n\t\nvoid DialogFile::OnClick(wxCommandEvent &event) {\n\twxFileDialog *dlg = new wxFileDialog(this, wxT("Open Text File"), wxT(""), wxT(""), wxT("txt files (*.txt)|*.txt"),\n\t\t\t\t\t\twxFD_OPEN | wxFD_FILE_MUST_EXIST);\n\tint retVal = dlg->ShowModal();\t\n\tif (retVal == wxID_OK) {\n   \t\twxString path = dlg->GetPath();\n\t\tmTxt->LoadFile(path);\n\t}\n}\n\n\n<\/pre><\/div>\n\n\n
main.h\n<\/pre>\n\n\n
\n#include <wx\/wxprec.h>\n#ifndef WX_PRECOMP\n\t#include <wx\/wx.h>\n#endif\n\nclass Main: public wxApp {\n\n\tpublic:\n\t\tvirtual bool OnInit();\n};\n<\/pre><\/div>\n\n\n
\nmain.cpp<\/pre>\n\n\n
\n#include "main.h"\n#include "dialog-file.h"\n\nIMPLEMENT_APP(Main)\n\nbool Main::OnInit() {\n\tDialogFile *app = new DialogFile(wxT("File Open Dialog "));\n\tapp->Show(true);\n\n}\n\n<\/pre><\/div>\n\n\n
The output is shown below<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"
OVERVIEW In the sample code below, we use the wxFileDialog to select a text file , whose contents are then shown in a textbox. SAMPLE […]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":3595,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[302,365],"tags":[],"class_list":["post-4020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cc","category-wxwidgets"],"_links":{"self":[{"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/posts\/4020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/comments?post=4020"}],"version-history":[{"count":4,"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/posts\/4020\/revisions"}],"predecessor-version":[{"id":4027,"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/posts\/4020\/revisions\/4027"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/media\/3595"}],"wp:attachment":[{"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/media?parent=4020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/categories?post=4020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/truelogic.org\/wordpress\/wp-json\/wp\/v2\/tags?post=4020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}