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); 3095if (Properties.TryGetValue(s_propFormMdiParent, out Form? formMdiParent) && formMdiParent.MdiClient != value) 3291MdiClient? mdiClient = MdiParentInternal.MdiClient; 3646Control? mdiclient = MdiParentInternal.MdiClient; 3709if (MdiParentInternal.MdiClient is not null) 3711PInvokeCore.SendMessage(MdiParentInternal.MdiClient, PInvokeCore.WM_MDIACTIVATE, this); 3961MdiClient.BackgroundImage = BackgroundImage; 3963MdiClient.Invalidate(); 3972MdiClient.BackgroundImageLayout = BackgroundImageLayout; 3974MdiClient.Invalidate(); 5055if (MdiParentInternal.MdiClient is not null) 5057PInvokeCore.SendMessage(MdiParentInternal.MdiClient, PInvokeCore.WM_MDIACTIVATE, (WPARAM)HWND);