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After installation, let's open RisohEditor.exe with RisohEditor.exe.
When you start RisohEditor.exe, the following window should be open.
![[empty window]](images/image-21.png "[empty window]")
Try dropping RisohEditor.exe there. A lot of resource data is displayed.
![[RisohEditor opened in RisohEditor]](images/image-22.png "[RisohEditor opened in RisohEditor]")
The box on the left side of the window is called a tree view and represents tree-structured data. You can expand branch of resource data by clicking the item in the tree view. Items are branched, and you can expand the contents by clicking [>]/[V] or [+]/[-] on the left side of the item.
A window called "List of resource IDs" is also displayed, which is the data corresponding to the "resource.h" file.
Let's try expanding "RT_DIALOG (5)" → "IDD_REPLACERES (100)" → "Japanese (Japan) (1041)" in order from the tree view. This is Japanese dialog resource data. Double-click "Japanese (Japan) (1041)" to display "Edit Dialog", where you can actually view or edit the dialog.
![[Opened a dialog resource]](images/image-23.png "[Opened a dialog resource]")
Next, let's look at the icon. Find "RT_GROUP_ICON (14)" from the top level, and expand "RT_GROUP_ICON (14)" → "IDI_MAIN (100)" → "Neutral (0)" in that order. You will see multiple images of the icon. This is called an icon group, and consists of one or more icon images (RT_ICON). An icon file can contain multiple icon images. The first icon group in the EXE will be the image displayed as the file icon.
![[Opened icon resource]](images/image-24.png "[Opened icon resource]")
In this way, the tree structure of the tree view becomes deeper in the order of "Resource type" → "Resource name" → "Language". However, the exceptions are the character string table (RT_STRING) and message table (RT_MESSAGETABLE), which may be "Resource type" → "Language". The resource type usually starts with the predefined "RT_" and the resource name can be an integer or a string.
Refer to the table below and operate the tree view appropriately.
| Operation | Action for operation |
|---|---|
| Click an item | Select an item. |
| Up | Moves the selection of an item up. |
| Down | Moves the selection of an item down. |
| Mouse wheel | Move the display range up and down (scrolling). |
| Click or drag the scroll bar on the right side. | The display range scrolls. |
| PageUp | Move up a lot. |
| PageDown | Move down a lot. |
| Home | Move to the top. |
| End | Move to the bottom. |
| Click [＋] or [＞] | Expand that item. |
| Right | Expand that item. |
| Click [－] or [Ｖ] | Collapse that item. |
| Left | Collapse that item. |
| Right-click | Display the command menu of the selected item. |
| App | Same as right-click on the selected item. |
| Del | Delete the selected item. |
| F2 | Change the name (resource ID) or language of the selected item. |
| Ctrl+K | Expand all items of the tree view. |
| Ctrl+L | Collapse all items of the tree view. |
Finally, let's close RisohEditor.