public static void SetMdiContainerBorderStyle(this System.Windows.Forms.Form mdiMainForm, System.Windows.Forms.BorderStyle borderStyle)
{
System.Windows.Forms.MdiClient mdiClient = GetMdiClient(mdiMainForm);
if (mdiClient != null)
{
int style = GetWindowLong(mdiClient.Handle, GWL_STYLE);
int exStyle = GetWindowLong(mdiClient.Handle, GWL_EXSTYLE);
if (borderStyle == System.Windows.Forms.BorderStyle.Fixed3D)
{
style = 1442906112;
exStyle = 512;
}
else if (borderStyle == System.Windows.Forms.BorderStyle.FixedSingle)
{
style |= WS_BORDER;
exStyle &= ~WS_EX_CLIENTEDGE;
}
else if (borderStyle == System.Windows.Forms.BorderStyle.None)
{
style &= ~WS_BORDER;
exStyle &= ~WS_EX_CLIENTEDGE;
}
SetWindowLong(mdiClient.Handle, GWL_STYLE, style);
SetWindowLong(mdiClient.Handle, GWL_EXSTYLE, exStyle);
int flags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_FRAMECHANGED;
SetWindowPos(mdiClient.Handle, IntPtr.Zero, 0, 0, 0, 0, flags);
}
}
public static void SetMdiContainerBackColor(this System.Windows.Forms.Form mdiMainForm, System.Drawing.Color backColor)
{
System.Windows.Forms.MdiClient mdiClient = GetMdiClient(mdiMainForm);
if (mdiClient != null)
{
mdiClient.BackColor = backColor;
}
}
internal override void AfterControlRemoved(Control control, Control oldParent)
{
base.AfterControlRemoved(control, oldParent);
if (control == this.AcceptButton)
{
this.AcceptButton = null;
}
if (control == this.CancelButton)
{
this.CancelButton = null;
}
if (control == this.ctlClient)
{
this.ctlClient = null;
this.UpdateMenuHandles();
}
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
this.CalledOnLoad = false;
this.CalledMakeVisible = false;
this.CalledCreateControl = false;
if (base.Properties.ContainsObject(PropAcceptButton))
{
base.Properties.SetObject(PropAcceptButton, null);
}
if (base.Properties.ContainsObject(PropCancelButton))
{
base.Properties.SetObject(PropCancelButton, null);
}
if (base.Properties.ContainsObject(PropDefaultButton))
{
base.Properties.SetObject(PropDefaultButton, null);
}
if (base.Properties.ContainsObject(PropActiveMdiChild))
{
base.Properties.SetObject(PropActiveMdiChild, null);
}
if (this.MdiWindowListStrip != null)
{
this.MdiWindowListStrip.Dispose();
this.MdiWindowListStrip = null;
}
if (this.MdiControlStrip != null)
{
this.MdiControlStrip.Dispose();
this.MdiControlStrip = null;
}
if (this.MainMenuStrip != null)
{
this.MainMenuStrip = null;
}
Form form = (Form) base.Properties.GetObject(PropOwner);
if (form != null)
{
form.RemoveOwnedForm(this);
base.Properties.SetObject(PropOwner, null);
}
Form[] formArray = (Form[]) base.Properties.GetObject(PropOwnedForms);
for (int i = base.Properties.GetInteger(PropOwnedFormsCount) - 1; i >= 0; i--)
{
if (formArray[i] != null)
{
formArray[i].Dispose();
}
}
if (this.smallIcon != null)
{
this.smallIcon.Dispose();
this.smallIcon = null;
}
this.ResetSecurityTip(false);
base.Dispose(disposing);
this.ctlClient = null;
MainMenu menu = this.Menu;
if ((menu != null) && (menu.ownerForm == this))
{
menu.Dispose();
base.Properties.SetObject(PropMainMenu, null);
}
if (base.Properties.GetObject(PropCurMenu) != null)
{
base.Properties.SetObject(PropCurMenu, null);
}
this.MenuChanged(0, null);
MainMenu menu2 = (MainMenu) base.Properties.GetObject(PropDummyMenu);
if (menu2 != null)
{
menu2.Dispose();
base.Properties.SetObject(PropDummyMenu, null);
}
MainMenu menu3 = (MainMenu) base.Properties.GetObject(PropMergedMenu);
if (menu3 != null)
{
if ((menu3.ownerForm == this) || (menu3.form == null))
{
menu3.Dispose();
}
base.Properties.SetObject(PropMergedMenu, null);
}
}
else
{
base.Dispose(disposing);
}
}