If I have a Xaml Window, how does one open it as a child window, and then have the parent window wait for the child to close before the parent window continues executing?
4 Answers
Did you try showing your window using the ShowDialog method?
Don't forget to set the Owner property on the dialog window to the main window. This will avoid weird behavior when Alt+Tabbing, etc.
Window.Show will show the window, and continue execution -- it's a non-blocking call.
Window.ShowDialog will block the calling thread (kinda [1]), and show the dialog. It will also block interaction with the parent/owning window. When the dialog is dismissed (for whatever reason), ShowDialog will return to the caller, and will allow you to access DialogResult (if you want it).
[1] It will keep the dispatcher pumping by pushing a dispatcher frame onto the WPF dispatcher. This will cause the message pump to keep pumping.
Given a Window object myWindow, myWindow.Show() will open it modelessly and myWindow.ShowDialog() will open it modally. However, even the latter doesn't block, from what I remember.
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