Setting the filter to an openfiledialog to allow the typical image formats. The example requires a form with a button placed on it and the system. Clicking on the opensave button executes the opensave dialog. When the application runs, the open dialog and save dialog filters are initialized, so to open and save. The filter extension does not contain the wildcard character. I would like to set the filter to open files with different types of excel extensions like. I want to use an openfiledialog object to browse to an excel file. You could write your own class that extendsmimics the openfiledialog, have some regular expressions to do what you want, and simply run that match against all the files in the current folder might take some work, but if you really want it so bad, go for it. Open file dialog, one filter for multiple excel extensions. Filter property to the file filter you want you can do this in the object inspector. To open and read the selected files, you can use the openfiledialog. Openfiledialog component opens the windows dialog box for browsing and selecting files. Openfile method, or create an instance of the system.
The example uses the filter and filterindex properties to provide a list of filters for the user. Click in the filter property, and youll see a small button appear on the right edge with click that, and youll see a dialog appear. A filter string that specifies the file types and descriptions to display in the openfiledialog. A typical open file dialog looks like figure 1 where you can see windows explorer like. The following code example uses the openfiledialog implementation of filedialog and illustrates creating, setting of properties, and showing the dialog box. The following examples demonstrate several types of. The right side is the filter you want to use, as in. Gets or sets the filter string that determines what types of files are displayed from either the openfiledialog or savefiledialog. The filter string does not contain at least one vertical bar. An exception is raised when trying to open a file that does not exist, or when trying to overwrite a file using the save dialog. Silverlight 4 only if the filter property is empty, all files are. The default is empty, which means that no filter is applied and all file types are displayed.