Change initial directory of open image dialog

        public class CustomImageEditor : RadImageEditor 
        {
            public override string ThemeClassName  
            { 
                get 
                { 
                    return typeof(RadImageEditor).FullName;  
                }
            }

            protected override RadImageEditorElement CreateImageEditorElement()
            {
                return new CustomImageEditorElement();
            }
        }

        public class CustomImageEditorElement : RadImageEditorElement
        {
            protected override Type ThemeEffectiveType     
            { 
                get    
                { 
                    return typeof(RadImageEditorElement);     
                }
            }
            
            public override void OpenImage()
            {
                OpenFileDialog dialog = new OpenFileDialog();
                dialog.InitialDirectory = @"C:\Projects";
                dialog.RestoreDirectory = true;
                dialog.FilterIndex = 1;
                dialog.Filter = "All image files|*.bmp; *.gif; *.ico; *.jpg; *.jpeg; *.jpe; *.jif; *.jfif; *.jfi; *.png; *.tiff; *.tif|Bitmap images|*.bmp|GIF images|*.gif|Icon images|*.ico|JPEG images|*.jpg; *.jpeg; *.jpe; *.jif; *.jfif; *.jfi|PNG images|*.png|TIFF images|*.tiff; *.tif";

                if (DialogResult.OK == dialog.ShowDialog())
                {
                    this.OpenImage(dialog.FileName);
                }
            }
        }