how do I open the default Image editor???

[Megatron]

ShellExecute will open a file with its default application.

Private Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hwnd As Long, ByVal lpOperation As String, ByVal lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long
 
'Usage
strFileName = "MyFile.jpg"
ShellExecute hwnd, "open", strFileName, "", "", 1