Did you see my reply on this ?
>Hi Bonnie, this should be enough code for you
>
>
>
> private BCCI.Controls.PJKBaseDataGridView pjkBaseDataGridView1;
> private BCCI.Controls.PJKBaseDataGridViewTextBoxColumn Column1;
> private BCCI.Controls.PJKBaseDataGridViewTextBoxColumn Column2;
> private BCCI.Controls.PJKBaseDataGridViewCheckBoxColumn Column3;
> private BCCI.Controls.PJKBaseButton pjkBaseButton1;
>
>private void InitializeComponent()
> {
> this.pjkBaseDataGridView1 = new BCCI.Controls.PJKBaseDataGridView();
> this.Column1 = new BCCI.Controls.PJKBaseDataGridViewTextBoxColumn();
> this.Column2 = new BCCI.Controls.PJKBaseDataGridViewTextBoxColumn();
> this.Column3 = new BCCI.Controls.PJKBaseDataGridViewCheckBoxColumn();
> this.pjkBaseButton1 = new BCCI.Controls.PJKBaseButton();
> ((System.ComponentModel.ISupportInitialize)(this.pjkBaseDataGridView1)).BeginInit();
> this.SuspendLayout();
> //
> // pjkBaseDataGridView1
> //
> this.pjkBaseDataGridView1.AllowUserToAddRows = false;
> this.pjkBaseDataGridView1.AllowUserToDeleteRows = false;
> this.pjkBaseDataGridView1.ColumnHeadersHeightSizeMode =
>System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
> this.pjkBaseDataGridView1.Columns.AddRange(
> new BCCI.Controls.PJKBaseDataGridViewColumn[] {
> this.Column1,
> this.Column2,
> this.Column3});
> this.pjkBaseDataGridView1.Location = new System.Drawing.Point(12, 24);
> this.pjkBaseDataGridView1.Name = "pjkBaseDataGridView1";
> this.pjkBaseDataGridView1.ReadOnly = true;
> this.pjkBaseDataGridView1.Size = new System.Drawing.Size(344, 150);
> this.pjkBaseDataGridView1.TabIndex = 0;
> //
> // Column1
> //
> this.Column1.HeaderText = "Column1";
> this.Column1.Name = "Column1";
> this.Column1.ReadOnly = true;
> //
> // Column2
> //
> this.Column2.HeaderText = "Column2";
> this.Column2.Name = "Column2";
> this.Column2.ReadOnly = true;
> //
> // Column3
> //
> this.Column3.HeaderText = "Column3";
> this.Column3.Name = "Column3";
> this.Column3.ReadOnly = true;
> //
> // pjkBaseButton1
> //
> this.pjkBaseButton1.Location = new System.Drawing.Point(212, 193);
> this.pjkBaseButton1.Name = "pjkBaseButton1";
> this.pjkBaseButton1.Size = new System.Drawing.Size(75, 23);
> this.pjkBaseButton1.TabIndex = 1;
> this.pjkBaseButton1.Text = "pjkBaseButton1";
> this.pjkBaseButton1.UseVisualStyleBackColor = true;
> this.pjkBaseButton1.Click += new System.EventHandler(this.pjkBaseButton1_Click);
> //
> // Form1
> //
> this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
> this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
> this.ClientSize = new System.Drawing.Size(702, 273);
> this.Controls.Add(this.pjkBaseButton1);
> this.Controls.Add(this.pjkBaseDataGridView1);
> this.Name = "Form1";
> this.Text = "Form1";
> ((System.ComponentModel.ISupportInitialize)(this.pjkBaseDataGridView1)).EndInit();
> this.ResumeLayout(false);
>
> }
>
> #endregion
>
>
> }
>}
>
>>
>It bombs on the AddRange bit, if I change it to System.Windows.Forms.DataGridViewColumn[] ( of which my class is a subclass ) it works _ I don't get it !!!, surely System.Windows.Forms.DataGridViewColumn and PJKBaseDataGridViewColumn are the same thing ?
>
>
>
>public class PJKBaseDataGridViewColumn : System.Windows.Forms.DataGridViewColumn
> {
> public PJKBaseDataGridViewColumn()
> {
> }
> }
>
