public static bool NeedsComponentEditor(object obj)
{
if (obj is System.Windows.Forms.NativeMethods.IPerPropertyBrowsing)
{
Guid empty = Guid.Empty;
if ((((System.Windows.Forms.NativeMethods.IPerPropertyBrowsing)obj).MapPropertyToPage(-1, out empty) == 0) && !empty.Equals(Guid.Empty))
{
return(true);
}
}
if (obj is System.Windows.Forms.NativeMethods.ISpecifyPropertyPages)
{
try
{
System.Windows.Forms.NativeMethods.tagCAUUID pPages = new System.Windows.Forms.NativeMethods.tagCAUUID();
try
{
((System.Windows.Forms.NativeMethods.ISpecifyPropertyPages)obj).GetPages(pPages);
if (pPages.cElems > 0)
{
return(true);
}
}
finally
{
if (pPages.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pPages.pElems);
}
}
}
catch
{
}
}
return(false);
}
public void ShowPropertyPages(Control control)
{
try
{
if (this.CanShowPropertyPages())
{
System.Windows.Forms.NativeMethods.ISpecifyPropertyPages ocx = (System.Windows.Forms.NativeMethods.ISpecifyPropertyPages) this.GetOcx();
System.Windows.Forms.NativeMethods.tagCAUUID pPages = new System.Windows.Forms.NativeMethods.tagCAUUID();
try
{
ocx.GetPages(pPages);
if (pPages.cElems <= 0)
{
return;
}
}
catch
{
return;
}
IDesignerHost service = null;
if (this.Site != null)
{
service = (IDesignerHost) this.Site.GetService(typeof(IDesignerHost));
}
DesignerTransaction transaction = null;
try
{
if (service != null)
{
transaction = service.CreateTransaction(System.Windows.Forms.SR.GetString("AXEditProperties"));
}
string caption = null;
object pobjs = this.GetOcx();
IntPtr handle = (this.ContainingControl == null) ? IntPtr.Zero : this.ContainingControl.Handle;
System.Windows.Forms.SafeNativeMethods.OleCreatePropertyFrame(new HandleRef(this, handle), 0, 0, caption, 1, ref pobjs, pPages.cElems, new HandleRef(null, pPages.pElems), Application.CurrentCulture.LCID, 0, IntPtr.Zero);
}
finally
{
if (this.oleSite != null)
{
((System.Windows.Forms.UnsafeNativeMethods.IPropertyNotifySink) this.oleSite).OnChanged(-1);
}
if (transaction != null)
{
transaction.Commit();
}
if (pPages.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pPages.pElems);
}
}
}
}
catch (Exception exception)
{
throw exception;
}
}
public bool HasPropertyPages()
{
if (this.CanShowPropertyPages())
{
System.Windows.Forms.NativeMethods.ISpecifyPropertyPages ocx = (System.Windows.Forms.NativeMethods.ISpecifyPropertyPages) this.GetOcx();
try
{
System.Windows.Forms.NativeMethods.tagCAUUID pPages = new System.Windows.Forms.NativeMethods.tagCAUUID();
try
{
ocx.GetPages(pPages);
if (pPages.cElems > 0)
{
return true;
}
}
finally
{
if (pPages.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pPages.pElems);
}
}
}
catch
{
}
}
return false;
}
public override bool EditComponent(ITypeDescriptorContext context, object obj, IWin32Window parent)
{
IntPtr handle = (parent == null) ? IntPtr.Zero : parent.Handle;
if (obj is System.Windows.Forms.NativeMethods.IPerPropertyBrowsing)
{
Guid empty = Guid.Empty;
if ((((System.Windows.Forms.NativeMethods.IPerPropertyBrowsing)obj).MapPropertyToPage(-1, out empty) == 0) && !empty.Equals(Guid.Empty))
{
object pobjs = obj;
Guid[] pClsid = new Guid[] { empty };
SafeNativeMethods.OleCreatePropertyFrame(new HandleRef(parent, handle), 0, 0, "PropertyPages", 1, ref pobjs, 1, pClsid, Application.CurrentCulture.LCID, 0, IntPtr.Zero);
return(true);
}
}
if (obj is System.Windows.Forms.NativeMethods.ISpecifyPropertyPages)
{
Exception exception;
bool flag = false;
try
{
System.Windows.Forms.NativeMethods.tagCAUUID pPages = new System.Windows.Forms.NativeMethods.tagCAUUID();
try
{
((System.Windows.Forms.NativeMethods.ISpecifyPropertyPages)obj).GetPages(pPages);
if (pPages.cElems <= 0)
{
return(false);
}
}
catch
{
return(false);
}
try
{
object obj3 = obj;
SafeNativeMethods.OleCreatePropertyFrame(new HandleRef(parent, handle), 0, 0, "PropertyPages", 1, ref obj3, pPages.cElems, new HandleRef(pPages, pPages.pElems), Application.CurrentCulture.LCID, 0, IntPtr.Zero);
return(true);
}
finally
{
if (pPages.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pPages.pElems);
}
}
}
catch (Exception exception2)
{
flag = true;
exception = exception2;
}
if (flag)
{
string text = System.Windows.Forms.SR.GetString("ErrorPropertyPageFailed");
IUIService service = (context != null) ? ((IUIService)context.GetService(typeof(IUIService))) : null;
if (service == null)
{
RTLAwareMessageBox.Show(null, text, System.Windows.Forms.SR.GetString("PropertyGridTitle"), MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1, 0);
}
else if (exception != null)
{
service.ShowError(exception, text);
}
else
{
service.ShowError(text);
}
}
}
return(false);
}
public static bool NeedsComponentEditor(object obj)
{
if (obj is System.Windows.Forms.NativeMethods.IPerPropertyBrowsing)
{
Guid empty = Guid.Empty;
if ((((System.Windows.Forms.NativeMethods.IPerPropertyBrowsing) obj).MapPropertyToPage(-1, out empty) == 0) && !empty.Equals(Guid.Empty))
{
return true;
}
}
if (obj is System.Windows.Forms.NativeMethods.ISpecifyPropertyPages)
{
try
{
System.Windows.Forms.NativeMethods.tagCAUUID pPages = new System.Windows.Forms.NativeMethods.tagCAUUID();
try
{
((System.Windows.Forms.NativeMethods.ISpecifyPropertyPages) obj).GetPages(pPages);
if (pPages.cElems > 0)
{
return true;
}
}
finally
{
if (pPages.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pPages.pElems);
}
}
}
catch
{
}
}
return false;
}
public override bool EditComponent(ITypeDescriptorContext context, object obj, IWin32Window parent)
{
IntPtr handle = (parent == null) ? IntPtr.Zero : parent.Handle;
if (obj is System.Windows.Forms.NativeMethods.IPerPropertyBrowsing)
{
Guid empty = Guid.Empty;
if ((((System.Windows.Forms.NativeMethods.IPerPropertyBrowsing) obj).MapPropertyToPage(-1, out empty) == 0) && !empty.Equals(Guid.Empty))
{
object pobjs = obj;
Guid[] pClsid = new Guid[] { empty };
SafeNativeMethods.OleCreatePropertyFrame(new HandleRef(parent, handle), 0, 0, "PropertyPages", 1, ref pobjs, 1, pClsid, Application.CurrentCulture.LCID, 0, IntPtr.Zero);
return true;
}
}
if (obj is System.Windows.Forms.NativeMethods.ISpecifyPropertyPages)
{
Exception exception;
bool flag = false;
try
{
System.Windows.Forms.NativeMethods.tagCAUUID pPages = new System.Windows.Forms.NativeMethods.tagCAUUID();
try
{
((System.Windows.Forms.NativeMethods.ISpecifyPropertyPages) obj).GetPages(pPages);
if (pPages.cElems <= 0)
{
return false;
}
}
catch
{
return false;
}
try
{
object obj3 = obj;
SafeNativeMethods.OleCreatePropertyFrame(new HandleRef(parent, handle), 0, 0, "PropertyPages", 1, ref obj3, pPages.cElems, new HandleRef(pPages, pPages.pElems), Application.CurrentCulture.LCID, 0, IntPtr.Zero);
return true;
}
finally
{
if (pPages.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pPages.pElems);
}
}
}
catch (Exception exception2)
{
flag = true;
exception = exception2;
}
if (flag)
{
string text = System.Windows.Forms.SR.GetString("ErrorPropertyPageFailed");
IUIService service = (context != null) ? ((IUIService) context.GetService(typeof(IUIService))) : null;
if (service == null)
{
RTLAwareMessageBox.Show(null, text, System.Windows.Forms.SR.GetString("PropertyGridTitle"), MessageBoxButtons.OK, MessageBoxIcon.Hand, MessageBoxDefaultButton.Button1, 0);
}
else if (exception != null)
{
service.ShowError(exception, text);
}
else
{
service.ShowError(text);
}
}
}
return false;
}