To setup Dolphin to a specific resolution in windowed mode do the following:
Go to your Dolphin configuration folder. This is in My Documents/Dolphin Emulator by default if you haven't changed it.
Enter the Config directory and open up Dolphin.ini.
Search for the following and set the resolution you want.
Go to your Dolphin configuration folder. This is in My Documents/Dolphin Emulator by default if you haven't changed it.
Enter the Config directory and open up Dolphin.ini.
Search for the following and set the resolution you want.
Code:
RenderWindowWidth = 1280
RenderWindowHeight = 720