TableLayoutPanelCellPosition.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / TableLayoutPanelCellPosition.cs / 1305376 / TableLayoutPanelCellPosition.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

 
namespace System.Windows.Forms { 
    using System;
    using System.Collections; 
    using System.ComponentModel;
    using System.ComponentModel.Design;
    using System.ComponentModel.Design.Serialization;
    using System.Globalization; 

    [TypeConverterAttribute(typeof(TableLayoutPanelCellPositionTypeConverter))] 
    public struct TableLayoutPanelCellPosition { 

        private int row; 
        private int column;

        public TableLayoutPanelCellPosition(int column, int row) {
            if (row < -1) { 
                throw new ArgumentOutOfRangeException("row", SR.GetString(SR.InvalidArgument, "row", (row).ToString(CultureInfo.CurrentCulture)));
            } 
            if (column < -1) { 
                throw new ArgumentOutOfRangeException("column", SR.GetString(SR.InvalidArgument, "column", (column).ToString(CultureInfo.CurrentCulture)));
            } 
            this.row = row;
            this.column = column;
        }
 
        public int Row {
            get { 
                return row; 
            }
            set { 
                row = value;
            }
        }
 
        public int Column {
            get { 
                return column; 
            }
            set { 
                column = value;
            }
        }
        public override bool Equals(object other) { 
            if(other is TableLayoutPanelCellPosition) {
                TableLayoutPanelCellPosition dpeOther = (TableLayoutPanelCellPosition) other; 
 
                return (dpeOther.row == row &&
                       dpeOther.column == column); 
            }
            return false;
        }
        public static bool operator ==(TableLayoutPanelCellPosition p1, TableLayoutPanelCellPosition p2) { 
            return p1.Row == p2.Row && p1.Column == p2.Column;
        } 
        public static bool operator !=(TableLayoutPanelCellPosition p1, TableLayoutPanelCellPosition p2) { 
            return !(p1 == p2);
        } 


        public override string ToString() {
            return  Column.ToString(CultureInfo.CurrentCulture) + "," + Row.ToString(CultureInfo.CurrentCulture); 
        }
 
        public override int GetHashCode() { 
            // VSWhidbey #130081: structs should implement GetHashCode for perf
           return WindowsFormsUtils.GetCombinedHashCodes( 
                                                        this.row,
                                                        this.column);
        }
    } 

    internal class TableLayoutPanelCellPositionTypeConverter : TypeConverter { 
 
        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) {
            if (destinationType == typeof(InstanceDescriptor)) { 
                return true;
            }
            return base.CanConvertTo(context, destinationType);
        } 

        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { 
            if (sourceType == typeof(string)) { 
                return true;
            } 
            return base.CanConvertFrom(context, sourceType);
        }

        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { 

            if (value is string) { 
 
                string text = ((string)value).Trim();
 
                if (text.Length == 0) {
                    return null;
                }
                else { 

                    // Parse 2 integer values. 
                    // 
                    if (culture == null) {
                        culture = CultureInfo.CurrentCulture; 
                    }
                    char sep = culture.TextInfo.ListSeparator[0];
                    string[] tokens = text.Split(new char[] {sep});
                    int[] values = new int[tokens.Length]; 
                    TypeConverter intConverter = TypeDescriptor.GetConverter(typeof(int));
                    for (int i = 0; i < values.Length; i++) { 
                        // Note: ConvertFromString will raise exception if value cannot be converted. 
                        values[i] = (int)intConverter.ConvertFromString(context, culture, tokens[i]);
                    } 

                    if (values.Length == 2) {
                        return new TableLayoutPanelCellPosition(values[0], values[1]);
                    } 
                    else {
                        throw new ArgumentException(SR.GetString(SR.TextParseFailedFormat, 
                                                                  text, 
                                                                  "column, row"));
                    } 
                }
            }

            return base.ConvertFrom(context, culture, value); 
        }
 
        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { 
            if (destinationType == null) {
                throw new ArgumentNullException("destinationType"); 
            }

            if (destinationType == typeof(InstanceDescriptor) && value is TableLayoutPanelCellPosition) {
                TableLayoutPanelCellPosition cellPosition = (TableLayoutPanelCellPosition) value; 

 
                return new InstanceDescriptor( 
                    typeof(TableLayoutPanelCellPosition).GetConstructor(new Type[] {typeof(int), typeof(int)}),
                    new object[] {cellPosition.Column, cellPosition.Row}); 

            }
            return base.ConvertTo(context, culture, value, destinationType);
        } 

        public override object CreateInstance(ITypeDescriptorContext context, IDictionary propertyValues) { 
 
            return new TableLayoutPanelCellPosition(
                (int)propertyValues["Column"], 
                (int)propertyValues["Row"]
             );

        } 

        public override bool GetCreateInstanceSupported(ITypeDescriptorContext context) { 
            return true; 
        }
 
        public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object value, Attribute[] attributes) {
            PropertyDescriptorCollection props = TypeDescriptor.GetProperties(typeof(TableLayoutPanelCellPosition), attributes);
            return props.Sort(new string[] {"Column","Row"});
        } 

        public override bool GetPropertiesSupported(ITypeDescriptorContext context) { 
            return true; 
        }
    } 


}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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