AnswerList of Questions

Make an Image Browser

As an example, we will create an application that has the user select a folder on his drive, and then populates a listbox object with all of the *.png and *.jpg files within that directory. The user clicks on a file in the listbox object, and clicks the "Open" button to load the selected image into the image object.

--Disable listbox Updating

ListBox.SetUpdate("ListBox1", false);

 

--Get the desired folder to browse

folder = Dialog.FolderBrowse("Open Folder", "C:\\");

 

--populate tables with all the .jpg and .png files

file_jpg = File.Find(folder, "*.jpg", false, false, nil);

file_png = File.Find(folder, "*.png", false, false, nil);

 

images = {file_jpg, file_png};

 

--do the following for each file:

for k in pairs(images) do --loops through the different image types

   for j,file_path in pairs(images[k]) do --loops through each image file

       --add the item to the listbox, with the name visible and path as data

       ListBox.AddItem("ListBox1", String.SplitPath(file_path).Filename, file_path);

   end

end

 

--Allow the listbox to display the updated content

ListBox.SetUpdate("ListBox1", true);

selected = ListBox.GetSelected("ListBox1");

for j,k in pairs(selected) do

   Image.Load("Image1", ListBox.GetItemData("ListBox1", k));

end

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