16 references to MdiClient
System.Windows.Forms (16)
System\Windows\Forms\Form.cs (16)
1091[MemberNotNullWhen(true, nameof(MdiClient))] 1501ParentInternal = value.MdiClient; 2133MdiParentInternal.MdiClient?.PerformLayout(); 2763if (MdiParentInternal.MdiClient is not null) 2765PInvokeCore.SendMessage(MdiParentInternal.MdiClient, PInvokeCore.WM_MDIACTIVATE, (WPARAM)HWND); 3098if (Properties.TryGetValue(s_propFormMdiParent, out Form? formMdiParent) && formMdiParent.MdiClient != value) 3294MdiClient? mdiClient = MdiParentInternal.MdiClient; 3649Control? mdiclient = MdiParentInternal.MdiClient; 3712if (MdiParentInternal.MdiClient is not null) 3714PInvokeCore.SendMessage(MdiParentInternal.MdiClient, PInvokeCore.WM_MDIACTIVATE, this); 3964MdiClient.BackgroundImage = BackgroundImage; 3966MdiClient.Invalidate(); 3975MdiClient.BackgroundImageLayout = BackgroundImageLayout; 3977MdiClient.Invalidate(); 5058if (MdiParentInternal.MdiClient is not null) 5060PInvokeCore.SendMessage(MdiParentInternal.MdiClient, PInvokeCore.WM_MDIACTIVATE, (WPARAM)HWND);