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What is the difference between ShowDialog () and ShowDialog (IWin32Window) in C #?

Both ShowDialog();and ShowDialog(IWin32Window);seem to be doing the same for me. The documentation is also not very clear.

I was told that it ShowDialog(IWin32Window);ensures that the dialog box is on top of everything that is passed as the owner window.

The MSDN documentation does not mention this, so it feels like black magic.

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ShowDialog(), . , (ShowDialog (IWin32Window)).

MSDN.

http://msdn.microsoft.com/en-us/library/c7ykbedk.aspx

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ShowDialog() ShowDialog(IWin32Window) . null, . null, GetActiveWindow(), IntPtr . , ILSpy.

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(c) "Pro.NET 2.0 Windows Forms " .

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(c) "Windows Forms 2.0 Programming" by Chris Sales, Michael Weinhardt.

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frm2.ShowDialog () to make frm2 as a model dialog box, we cannot click anywhere on form1 unless we close the instance of frm2.

frm2.show () there is no such restriction.

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