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C # display the list control, select the file to obtain the file path and filter the file extension, and RichTextBox displays the data
2022-07-06 07:27:00 【weixin_ forty million nine hundred and thirty-eight thousand th】
https://www.cnblogs.com/wllhq/p/4330766.htmllistview Show database data articles
https://www.cnblogs.com/qc-id-01/p/7489021.html Select file and filter file extensions
private void button2_Click(object sender, EventArgs e)
{
OpenFileDialog P_File_Folder = new OpenFileDialog();
P_File_Folder.Multiselect = true;// This value determines whether multiple files can be selected
P_File_Folder.Title = " Please select a folder ";
P_File_Folder.Filter = "QQ.db(QQ.db)|QQ.db";
if (P_File_Folder.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string file = P_File_Folder.FileName;
wenpath = file;
Console.Write(file);
}
https://www.cnblogs.com/arxive/p/5725570.htmlrichtextbox use
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