bool GetPathViaOpenDialog(out string filePath, string szFilter, string szDefaultExt, string szInitialDir)
Prompts the user to select a file with an Open File Dialog
Parameters
| Name | Description |
| filePath | If OK was selected, returns the path. |
| szFilter | A file filter limiting matches. See https://msdn.microsoft.com/en-us/library/system.windows.controls.openfiledialog.filter.aspx for more information. |
| szDefaultExt | The default file extension to select. |
| szInitialDir | The initial directory that the File Open Dialog should be opened to. |
Return
True if user clicked OK, False if user clicked Cancel.
