4 references to SetWindowRgn
System.Windows.Forms (4)
System\Windows\Forms\Control.cs (2)
2834PInvoke.SetWindowRgn(this, default, PInvoke.IsWindowVisible(this)); 2842if (PInvoke.SetWindowRgn(this, regionHandle, PInvoke.IsWindowVisible(this)) != 0)
System\Windows\Forms\ErrorProvider\ErrorProvider.ErrorWindow.cs (1)
372if (PInvoke.SetWindowRgn(this, windowRegionHandle, fRedraw: true) != 0)
System\Windows\Forms\MDI\MDIClient.cs (1)
303if (PInvoke.SetWindowRgn(this, rgn1, true) == 0)