How to save files using SaveFileDialog in C#
By FoxLearn 3/4/2025 4:06:28 AM 7.96K
To save the contents of a RichTextBox using a SaveFileDialog in C#, you can follow these steps.
Open Visual Studio, then click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "SaveFile" and then click OK
Drag and drop the RichTextBox, Button controls from Visual Toolbox onto your form designer, then design your form as below.
Add a SaveFileDialog, OpenFileDialog controls to your form, then add "Rich Text Format|*.rtf" to Filter property of SaveFileDialog, OpenFileDialog.
To handle the button click event in C#, you need to add an event handler method for the button’s Click
event.
private void btnOpen_Click(object sender, EventArgs e) { // c# read rtf file if (openFileDialog.ShowDialog() == DialogResult.OK) richTextBox.LoadFile(openFileDialog.FileName); } // c# file save dialog private void btnSave_Click(object sender, EventArgs e) { // using save file dialog c# save the content of the RichTextBox to file if (saveFileDialog.ShowDialog() == DialogResult.OK) // save a file c# richTextBox.SaveFile(saveFileDialog.FileName); }
In this example:
- Use the
RichTextBox.SaveFile
method to save the contents to the selected file. - The
SaveFileDialog
allows the user to select a file location and specify the file name for saving. - The
OpenFileDialog
in C# is used to display a dialog that allows the user to select a file from the file system to open. - The
Filter
property defines the types of files that can be saved (e.g., RTF or TXT files).
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