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//<snippet0>
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
public class AutoSizing : System.Windows.Forms.Form
{
private FlowLayoutPanel flowLayoutPanel1;
private Button button1 = new Button();
private Button button2 = new Button();
private Button button3 = new Button();
private Button button4 = new Button();
private Button button5 = new Button();
private Button button6 = new Button();
private Button button7 = new Button();
private Button button8 = new Button();
private Button button9 = new Button();
private Button button10 = new Button();
private Button button11 = new Button();
private DataGridView dataGridView1;
public AutoSizing()
{
InitializeComponent();
this.Load += new EventHandler(InitializeDataGridView);
AddDirections();
AddButton(button1, "Reset",
new EventHandler(ResetToDisorder));
AddButton(button2, "Change Column 3 Header",
new EventHandler(ChangeColumn3Header));
AddButton(button3, "Change Meatloaf Recipe",
new EventHandler(ChangeMeatloafRecipe));
AddButton(button4, "Change Restaurant 2",
new EventHandler(ChangeRestaurant));
AddButtonsForAutomaticResizing();
}
private void AddDirections()
{
Label directions = new Label();
directions.AutoSize = true;
String newLine = Environment.NewLine;
directions.Text = "Press the buttons that start " + newLine
+ "with 'Change' to see how different sizing " + newLine
+ "modes deal with content changes.";
flowLayoutPanel1.Controls.Add(directions);
}
private void InitializeComponent()
{
flowLayoutPanel1 = new FlowLayoutPanel();
flowLayoutPanel1.FlowDirection = FlowDirection.TopDown;
flowLayoutPanel1.Location = new System.Drawing.Point(492, 0);
flowLayoutPanel1.AutoSize = true;
flowLayoutPanel1.TabIndex = 1;
ClientSize = new System.Drawing.Size(674, 419);
Controls.Add(flowLayoutPanel1);
Text = this.GetType().Name;
AutoSize = true;
}
[STAThreadAttribute()]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new AutoSizing());
}
private Size startingSize;
private string thirdColumnHeader = "Main Ingredients";
private string boringMeatloaf = "ground beef";
private string boringMeatloafRanking = "*";
private bool boringRecipe;
private bool shortMode;
private string otherRestaurant = "Gomes's Saharan Sushi";
private void InitializeDataGridView(Object ignored,
EventArgs ignoredToo)
{
dataGridView1 = new System.Windows.Forms.DataGridView();
Controls.Add(dataGridView1);
startingSize = new Size(450, 400);
dataGridView1.Size = startingSize;
dataGridView1.AutoSizeRowsModeChanged +=
new DataGridViewAutoSizeModeEventHandler
(WatchRowsModeChanges);
AddLabels();
SetUpColumns();
PopulateRows();
shortMode = false;
boringRecipe = true;
}
private void SetUpColumns()
{
dataGridView1.ColumnCount = 4;
dataGridView1.ColumnHeadersVisible = true;
DataGridViewCellStyle columnHeaderStyle =
new DataGridViewCellStyle();
columnHeaderStyle.BackColor = Color.Aqua;
columnHeaderStyle.Font = new Font("Verdana", 10,
FontStyle.Bold);
dataGridView1.ColumnHeadersDefaultCellStyle =
columnHeaderStyle;
dataGridView1.Columns[0].Name = "Recipe";
dataGridView1.Columns[1].Name = "Category";
dataGridView1.Columns[2].Name = thirdColumnHeader;
dataGridView1.Columns[3].Name = "Rating";
}
private void PopulateRows()
{
string[] row1 = {
"Meatloaf", "Main Dish", boringMeatloaf, boringMeatloafRanking
};
string[] row2 = {
"Key Lime Pie", "Dessert", "lime juice, evaporated milk", "****"
};
string[] row3 = {
"Orange-Salsa Pork Chops", "Main Dish",
"pork chops, salsa, orange juice", "****"
};
string[] row4 = {
"Black Bean and Rice Salad", "Salad",
"black beans, brown rice", "****"
};
string[] row5 = {
"Chocolate Cheesecake", "Dessert", "cream cheese", "***"
};
string[] row6 = {
"Black Bean Dip", "Appetizer", "black beans, sour cream", "***"
};
object[] rows = new object[] {
row1, row2, row3, row4, row5, row6
};
foreach (string[] row in rows)
dataGridView1.Rows.Add(row);
foreach (DataGridViewRow row in dataGridView1.Rows)
{
if (row.IsNewRow) break;
row.HeaderCell.Value = "Restaurant " + row.Index;
}
}
private void AddButton(Button button, string buttonLabel,
EventHandler handler)
{
button.Click += handler;
button.Text = buttonLabel;
button.AutoSize = true;
button.TabIndex = flowLayoutPanel1.Controls.Count;
flowLayoutPanel1.Controls.Add(button);
}
private void ResetToDisorder(Object sender, EventArgs e)
{
Controls.Remove(dataGridView1);
dataGridView1.Dispose();
InitializeDataGridView(null, null);
}
private void ChangeColumn3Header(Object sender, EventArgs e)
{
Toggle(ref shortMode);
if (shortMode) dataGridView1.Columns[2].HeaderText = "S";
else
dataGridView1.Columns[2].HeaderText = thirdColumnHeader;
}
private static Boolean Toggle(ref Boolean toggleThis)
{
toggleThis = !toggleThis;
return toggleThis;
}
private void ChangeMeatloafRecipe(Object sender, EventArgs e)
{
Toggle(ref boringRecipe);
if (boringRecipe)
SetMeatloaf(boringMeatloaf, boringMeatloafRanking);
else
{
string greatMeatloafRecipe = "1 lb. lean ground beef, "
+ "1/2 cup bread crumbs, 1/4 cup ketchup,"
+ "1/3 tsp onion powder, "
+ "1 clove of garlic, 1/2 pack onion soup mix,"
+ " dash of your favorite BBQ Sauce";
SetMeatloaf(greatMeatloafRecipe, "***");
}
}
private void ChangeRestaurant(Object sender, EventArgs ignored)
{
if (dataGridView1.Rows[2].HeaderCell.Value.ToString() ==
otherRestaurant)
dataGridView1.Rows[2].HeaderCell.Value =
"Restaurant 2";
else
dataGridView1.Rows[2].HeaderCell.Value =
otherRestaurant;
}
private void SetMeatloaf(string recipe, string rating)
{
dataGridView1.Rows[0].Cells[2].Value = recipe;
dataGridView1.Rows[0].Cells[3].Value = rating;
}
private string currentLayoutName =
"DataGridView.AutoSizeRowsMode is currently: ";
private void AddLabels()
{
Label current = (Label)
flowLayoutPanel1.Controls[currentLayoutName];
if (current == null)
{
current = new Label();
current.AutoSize = true;
current.Name = currentLayoutName;
current.Text = currentLayoutName +
dataGridView1.AutoSizeRowsMode.ToString();
flowLayoutPanel1.Controls.Add(current);
}
}
#region "Automatic Resizing"
private void AddButtonsForAutomaticResizing()
{
AddButton(button5, "Keep Column Headers Sized",
new EventHandler(ColumnHeadersHeightSizeMode));
AddButton(button6, "Keep Row Headers Sized",
new EventHandler(RowHeadersWidthSizeMode));
AddButton(button7, "Keep Rows Sized",
new EventHandler(AutoSizeRowsMode));
AddButton(button8, "Keep Row Headers Sized with RowsMode",
new EventHandler(AutoSizeRowHeadersUsingAllHeadersMode));
AddButton(button9, "Disable AutoSizeRowsMode",
new EventHandler(DisableAutoSizeRowsMode));
AddButton(button10, "AutoSize third column by rows",
new EventHandler(AutoSizeOneColumn));
AddButton(button11, "AutoSize third column by rows and headers",
new EventHandler(AutoSizeOneColumnIncludingHeaders));
}
//<snippet7>
private void ColumnHeadersHeightSizeMode(Object sender, EventArgs e)
{
dataGridView1.ColumnHeadersHeightSizeMode =
DataGridViewColumnHeadersHeightSizeMode.AutoSize;
}
//</snippet7>
//<snippet8>
private void RowHeadersWidthSizeMode(Object sender, EventArgs e)
{
dataGridView1.RowHeadersWidthSizeMode =
DataGridViewRowHeadersWidthSizeMode.AutoSizeToAllHeaders;
}
//</snippet8>
//<snippet9>
private void AutoSizeRowsMode(Object sender, EventArgs es)
{
dataGridView1.AutoSizeRowsMode =
DataGridViewAutoSizeRowsMode.AllCells;
}
//</snippet9>
private void AutoSizeRowHeadersUsingAllHeadersMode(
Object sender, System.EventArgs e)
{
dataGridView1.AutoSizeRowsMode =
DataGridViewAutoSizeRowsMode.AllHeaders;
}
//<snippet10>
private void WatchRowsModeChanges(object sender,
DataGridViewAutoSizeModeEventArgs modeEvent)
{
Label label =
(Label)flowLayoutPanel1.Controls[currentLayoutName];
if (modeEvent.PreviousModeAutoSized)
{
label.Text = "changed to a different " +
label.Name +
dataGridView1.AutoSizeRowsMode.ToString();
}
else
{
label.Text = label.Name +
dataGridView1.AutoSizeRowsMode.ToString();
}
}
//</snippet10>
private void DisableAutoSizeRowsMode(object sender,
EventArgs modeEvent)
{
dataGridView1.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.None;
}
//<snippet11>
private void AutoSizeOneColumn(object sender,
EventArgs theEvent)
{
DataGridViewColumn column = dataGridView1.Columns[2];
column.AutoSizeMode =
DataGridViewAutoSizeColumnMode.DisplayedCellsExceptHeader;
}
//</snippet11>
private void AutoSizeOneColumnIncludingHeaders(
object sender, EventArgs theEvent)
{
DataGridViewColumn column = dataGridView1.Columns[2];
column.AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
}
#endregion
}
//</snippet0>