DataGridTableStyle.PreferredColumnWidth プロパティ
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)

Dim instance As DataGridTableStyle Dim value As Integer value = instance.PreferredColumnWidth instance.PreferredColumnWidth = value
[LocalizableAttribute(true)] public: property int PreferredColumnWidth { int get (); void set (int value); }
/** @property */ public int get_PreferredColumnWidth () /** @property */ public void set_PreferredColumnWidth (int value)
public function get PreferredColumnWidth () : int public function set PreferredColumnWidth (value : int)
新しいグリッドが表示されるときに作成する列に適用する幅。

Private Sub CreateAndBindDataSet(ByVal myDataGrid As System.Windows.Forms.DataGrid) Dim myDataSet As New DataSet("myDataSet") Dim myEmpTable As New DataTable("Employee") ' Create two columns, and add them to employee table. Dim myEmpID As New DataColumn("EmpID", GetType(Integer)) Dim myEmpName As New DataColumn("EmpName") myEmpTable.Columns.Add(myEmpID) myEmpTable.Columns.Add(myEmpName) ' Add table to DataSet. myDataSet.Tables.Add(myEmpTable) ' Populate table. Dim newRow1 As DataRow ' Create employee records in employee Table. Dim i As Integer For i = 1 To 5 newRow1 = myEmpTable.NewRow() newRow1("EmpID") = i ' Add row to Employee table. myEmpTable.Rows.Add(newRow1) Next i ' Give each employee a distinct name. myEmpTable.Rows(0)("EmpName") = "Alpha" myEmpTable.Rows(1)("EmpName") = "Beta" myEmpTable.Rows(2)("EmpName") = "Omega" myEmpTable.Rows(3)("EmpName") = "Gamma" myEmpTable.Rows(4)("EmpName") = "Delta" ' Bind DataGrid to DataSet. myDataGrid.SetDataBinding(myDataSet, "Employee") End Sub 'CreateAndBindDataSet Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load ' Set and Display myDataGrid. myDataGrid.DataMember = "" myDataGrid.Location = New System.Drawing.Point(72, 32) myDataGrid.Name = "myDataGrid" myDataGrid.Size = New System.Drawing.Size(240, 200) myDataGrid.TabIndex = 4 ' Add it to controls. Controls.Add(myDataGrid) CreateAndBindDataSet(myDataGrid) myDataGridTableStyle.MappingName = "Employee" ' Set other properties. myDataGridTableStyle.AlternatingBackColor = Color.LightGray ' Add DataGridTableStyle instances to GridTableStylesCollection. myDataGridTableStyle.PreferredColumnWidth = 100 myColWidth.Text = "" myDataGrid.TableStyles.Add(myDataGridTableStyle) AddHandler myDataGridTableStyle.PreferredColumnWidthChanged, AddressOf MyDelegatePreferredColWidthChanged End Sub 'Form1_Load Private Sub MyDelegatePreferredColWidthChanged(ByVal sender As Object, ByVal e As EventArgs) MessageBox.Show("Preferred Column width has changed") End Sub 'MyDelegatePreferredColWidthChanged Private Sub myButton_Click(ByVal sender As Object, ByVal e As EventArgs) Handles myButton.Click Try If myColWidth.Text <> "" Then Dim newwidth As Integer = Integer.Parse(myColWidth.Text) myDataGridTableStyle.PreferredColumnWidth = newwidth ' Dispose datagrid and datagridtablestyle and then create. myDataGrid.Dispose() myDataGridTableStyle.Dispose() myDataGrid = New Windows.Forms.Datagrid() myDataGridTableStyle = New DataGridTableStyle() myDataGrid.DataMember = "" myDataGrid.Location = New System.Drawing.Point(72, 32) myDataGrid.Name = "myDataGrid" myDataGrid.Size = New System.Drawing.Size(240, 200) myDataGrid.TabIndex = 4 Controls.Add(myDataGrid) CreateAndBindDataSet(myDataGrid) myDataGridTableStyle.MappingName = "Employee" ' Set other properties. myDataGridTableStyle.AlternatingBackColor = Color.LightGray ' Add DataGridTableStyle instances to GridTableStylesCollection. myDataGridTableStyle.PreferredColumnWidth = newwidth myColWidth.Text = "" myDataGrid.TableStyles.Add(myDataGridTableStyle) AddHandler myDataGridTableStyle.PreferredColumnWidthChanged, AddressOf MyDelegatePreferredColWidthChanged Else MessageBox.Show("Please enter a number") End If Catch ex As Exception MessageBox.Show(ex.Message) End Try End Sub 'myButton_Click
private void CreateAndBindDataSet(DataGrid myDataGrid) { DataSet myDataSet = new DataSet("myDataSet"); DataTable myEmpTable = new DataTable("Employee"); // Create two columns, and add them to employee table. DataColumn myEmpID = new DataColumn("EmpID", typeof(int)); DataColumn myEmpName = new DataColumn("EmpName"); myEmpTable.Columns.Add(myEmpID); myEmpTable.Columns.Add(myEmpName); // Add table to DataSet. myDataSet.Tables.Add(myEmpTable); // Populate table. DataRow newRow1; // Create employee records in employee Table. for(int i = 1; i < 6; i++) { newRow1 = myEmpTable.NewRow(); newRow1["EmpID"] = i; // Add row to Employee table. myEmpTable.Rows.Add(newRow1); } // Give each employee a distinct name. myEmpTable.Rows[0]["EmpName"] = "Alpha"; myEmpTable.Rows[1]["EmpName"] = "Beta"; myEmpTable.Rows[2]["EmpName"] = "Omega"; myEmpTable.Rows[3]["EmpName"] = "Gamma"; myEmpTable.Rows[4]["EmpName"] = "Delta"; // Bind DataGrid to DataSet. myDataGrid.SetDataBinding(myDataSet, "Employee"); } private void Form1_Load(object sender, System.EventArgs e) { // Set and Display myDataGrid. myDataGrid.DataMember = ""; myDataGrid.Location = new System.Drawing.Point(72, 32); myDataGrid.Name = "myDataGrid"; myDataGrid.Size = new System.Drawing.Size(240, 200); myDataGrid.TabIndex = 4; // Add it to controls. Controls.Add(myDataGrid); CreateAndBindDataSet(myDataGrid); myDataGridTableStyle.MappingName = "Employee"; // Set other properties. myDataGridTableStyle.AlternatingBackColor = Color.LightGray; // Add DataGridTableStyle instances to GridTableStylesCollection. myDataGridTableStyle.PreferredColumnWidth = 100; myColWidth.Text = ""; myDataGrid.TableStyles.Add(myDataGridTableStyle); myDataGridTableStyle.PreferredColumnWidthChanged += new EventHandler(MyDelegatePreferredColWidthChanged); } private void MyDelegatePreferredColWidthChanged(object sender, EventArgs e) { MessageBox.Show("Preferred Column width has changed"); } private void myButton_Click(object sender, System.EventArgs e) { try { if( myColWidth.Text != "" ) { int newwidth = myDataGridTableStyle.PreferredColumnWidth = int.Parse(myColWidth.Text); // Dispose datagrid and datagridtablestyle and then create. myDataGrid.Dispose(); myDataGridTableStyle.Dispose(); myDataGrid = new DataGrid(); myDataGridTableStyle = new DataGridTableStyle(); myDataGrid.DataMember = ""; myDataGrid.Location = new System.Drawing.Point(72, 32); myDataGrid.Name = "myDataGrid"; myDataGrid.Size = new System.Drawing.Size(240, 200); myDataGrid.TabIndex = 4; Controls.Add(myDataGrid); CreateAndBindDataSet(myDataGrid); myDataGridTableStyle.MappingName = "Employee"; // Set other properties. myDataGridTableStyle.AlternatingBackColor = Color.LightGray; // Add DataGridTableStyle instances to GridTableStylesCollection. myDataGridTableStyle.PreferredColumnWidth = newwidth; myColWidth.Text = ""; myDataGrid.TableStyles.Add(myDataGridTableStyle); myDataGridTableStyle.PreferredColumnWidthChanged += new EventHandler(MyDelegatePreferredColWidthChanged); } else { MessageBox.Show("Please enter a number"); } } catch(Exception ex) { MessageBox.Show(ex.Message); } }
private: void CreateAndBindDataSet( DataGrid^ myDataGrid ) { DataSet^ myDataSet = gcnew DataSet( "myDataSet" ); DataTable^ myEmpTable = gcnew DataTable( "Employee" ); // Create two columns, and add them to employee table. DataColumn^ myEmpID = gcnew DataColumn( "EmpID",int::typeid ); DataColumn^ myEmpName = gcnew DataColumn( "EmpName" ); myEmpTable->Columns->Add( myEmpID ); myEmpTable->Columns->Add( myEmpName ); // Add table to DataSet. myDataSet->Tables->Add( myEmpTable ); // Populate table. DataRow^ newRow1; // Create employee records in employee Table. for ( int i = 1; i < 6; i++ ) { newRow1 = myEmpTable->NewRow(); newRow1[ "EmpID" ] = i; // Add row to Employee table. myEmpTable->Rows->Add( newRow1 ); } myEmpTable->Rows[ 0 ][ "EmpName" ] = "Alpha"; myEmpTable->Rows[ 1 ][ "EmpName" ] = "Beta"; myEmpTable->Rows[ 2 ][ "EmpName" ] = "Omega"; myEmpTable->Rows[ 3 ][ "EmpName" ] = "Gamma"; myEmpTable->Rows[ 4 ][ "EmpName" ] = "Delta"; // Bind DataGrid to DataSet. myDataGrid->SetDataBinding( myDataSet, "Employee" ); } void Form1_Load( Object^ /*sender*/, System::EventArgs^ /*e*/ ) { // Set and Display myDataGrid. myDataGrid->DataMember = ""; myDataGrid->Location = System::Drawing::Point( 72, 32 ); myDataGrid->Name = "myDataGrid"; myDataGrid->Size = System::Drawing::Size( 240, 200 ); myDataGrid->TabIndex = 4; // Add it to controls. Controls->Add( myDataGrid ); CreateAndBindDataSet( myDataGrid ); myDataGridTableStyle->MappingName = "Employee"; // Set other properties. myDataGridTableStyle->AlternatingBackColor = Color::LightGray; // Add DataGridTableStyle instances to GridTableStylesCollection. myDataGridTableStyle->PreferredColumnWidth = 100; myColWidth->Text = ""; myDataGrid->TableStyles->Add( myDataGridTableStyle ); myDataGridTableStyle->PreferredColumnWidthChanged += gcnew EventHandler( this, &Form1::MyDelegatePreferredColWidthChanged ); } private: void MyDelegatePreferredColWidthChanged( Object^ /*sender*/, EventArgs^ /*e*/ ) { MessageBox::Show( "Preferred Column width has changed" ); } private: void myButton_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ ) { try { if ( !myColWidth->Text->Equals( "" ) ) { Int32 newwidth = myDataGridTableStyle->PreferredColumnWidth; myDataGridTableStyle->PreferredColumnWidth = Int32::Parse( myColWidth->Text ); // Dispose datagrid and datagridtablestyle and then create. delete myDataGrid; delete myDataGridTableStyle; myDataGrid = gcnew DataGrid; myDataGridTableStyle = gcnew DataGridTableStyle; myDataGrid->DataMember = ""; myDataGrid->Location = System::Drawing::Point( 72, 32 ); myDataGrid->Name = "myDataGrid"; myDataGrid->Size = System::Drawing::Size( 240, 200 ); myDataGrid->TabIndex = 4; Controls->Add( myDataGrid ); CreateAndBindDataSet( myDataGrid ); myDataGridTableStyle->MappingName = "Employee"; // Set other properties. myDataGridTableStyle->AlternatingBackColor = Color::LightGray; // Add DataGridTableStyle instances to GridTableStylesCollection. myDataGridTableStyle->PreferredColumnWidth = newwidth; myColWidth->Text = ""; myDataGrid->TableStyles->Add( myDataGridTableStyle ); myDataGridTableStyle->PreferredColumnWidthChanged += gcnew EventHandler( this, &Form1::MyDelegatePreferredColWidthChanged ); } else { MessageBox::Show( "Please enter a number" ); } } catch ( Exception^ ex ) { MessageBox::Show( ex->Message ); } }
private void CreateAndBindDataSet(DataGrid myDataGrid) { DataSet myDataSet = new DataSet("myDataSet"); DataTable myEmpTable = new DataTable("Employee"); // Create two columns, and add them to employee table. DataColumn myEmpID = new DataColumn("EmpID", int.class.ToType()); DataColumn myEmpName = new DataColumn("EmpName"); myEmpTable.get_Columns().Add(myEmpID); myEmpTable.get_Columns().Add(myEmpName); // Add table to DataSet. myDataSet.get_Tables().Add(myEmpTable); // Populate table. DataRow newRow1; // Create employee records in employee Table. for (int i = 1; i < 6; i++) { newRow1 = myEmpTable.NewRow(); newRow1.set_Item("EmpID", (Int32)i); // Add row to Employee table. myEmpTable.get_Rows().Add(newRow1); } // Give each employee a distinct name. myEmpTable.get_Rows().get_Item(0).set_Item("EmpName", "Alpha"); myEmpTable.get_Rows().get_Item(1).set_Item("EmpName", "Beta"); myEmpTable.get_Rows().get_Item(2).set_Item("EmpName", "Omega"); myEmpTable.get_Rows().get_Item(3).set_Item("EmpName", "Gamma"); myEmpTable.get_Rows().get_Item(4).set_Item("EmpName", "Delta"); // Bind DataGrid to DataSet. myDataGrid.SetDataBinding(myDataSet, "Employee"); } //CreateAndBindDataSet private void Form1_Load(Object sender, System.EventArgs e) { // Set and Display myDataGrid. myDataGrid.set_DataMember(""); myDataGrid.set_Location(new System.Drawing.Point(72, 32)); myDataGrid.set_Name("myDataGrid"); myDataGrid.set_Size(new System.Drawing.Size(240, 200)); myDataGrid.set_TabIndex(4); // Add it to controls. get_Controls().Add(myDataGrid); CreateAndBindDataSet(myDataGrid); myDataGridTableStyle.set_MappingName("Employee"); // Set other properties. myDataGridTableStyle.set_AlternatingBackColor(Color.get_LightGray()); // Add DataGridTableStyle instances to GridTableStylesCollection. myDataGridTableStyle.set_PreferredColumnWidth(100); myColWidth.set_Text(""); myDataGrid.get_TableStyles().Add(myDataGridTableStyle); myDataGridTableStyle.add_PreferredColumnWidthChanged( new EventHandler(MyDelegatePreferredColWidthChanged)); } //Form1_Load public void MyDelegatePreferredColWidthChanged(Object sender, EventArgs e) { MessageBox.Show("Preferred Column width has changed"); } //MyDelegatePreferredColWidthChanged private void myButton_Click(Object sender, System.EventArgs e) { try { if (!(myColWidth.get_Text().Equals(""))) { myDataGridTableStyle.set_PreferredColumnWidth( System.Convert.ToInt32(myColWidth.get_Text())); int newWidth = myDataGridTableStyle.get_PreferredColumnWidth(); // Dispose datagrid and datagridtablestyle and then create. myDataGrid.Dispose(); myDataGridTableStyle.Dispose(); myDataGrid = new DataGrid(); myDataGridTableStyle = new DataGridTableStyle(); myDataGrid.set_DataMember(""); myDataGrid.set_Location(new System.Drawing.Point(72, 32)); myDataGrid.set_Name("myDataGrid"); myDataGrid.set_Size(new System.Drawing.Size(240, 200)); myDataGrid.set_TabIndex(4); get_Controls().Add(myDataGrid); CreateAndBindDataSet(myDataGrid); myDataGridTableStyle.set_MappingName("Employee"); // Set other properties. myDataGridTableStyle.set_AlternatingBackColor( Color.get_LightGray()); // Add DataGridTableStyle instances to // GridTableStylesCollection. myDataGridTableStyle.set_PreferredColumnWidth(newWidth); myColWidth.set_Text(""); myDataGrid.get_TableStyles().Add(myDataGridTableStyle); myDataGridTableStyle.add_PreferredColumnWidthChanged( new EventHandler(MyDelegatePreferredColWidthChanged)); } else { MessageBox.Show("Please enter a number"); } } catch(System.Exception ex) { MessageBox.Show(ex.get_Message()); } } //myButton_Click } //Form1

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